2026 GMC Sierra 3500HD
This page covers the 2026 GMC Sierra 3500HD, a Truck available in 32 trims from $47,900 to $101,300. Below you will find crash test ratings, fuel cost data, reliability scores, recall history, ownership costs, and manufacturer specifications, each sourced and linked to the original publisher.
The 2026 GMC Sierra 3500HD earns a F for fuel cost among mid-range Trucks. NHTSA has no recall campaigns on file for this vehicle.
What the published data indicates
Published crash-test coverage is incomplete for the 2026 GMC Sierra 3500HD, and the currently available data does not surface a clear advantage over similar pickup trucks. The main caution is that fuel cost is a weak spot.
Limits and cautions
- Crash-test coverage is incomplete: NHTSA and IIHS data is not available for this model yet.
- Fuel cost is a real drawback here: Most expensive to fuel among gas Trucks. Cheapest Trucks to fuel 2026 →
- Best estimated five-year cost in the lineup still lands about $7,881 above the similar-vehicle average.
Comparable models
- Starting MSRP
- $47,900 - $101,300
- EPA Combined MPG
- 18 MPG
- Est. Annual Fuel Cost
- $2,450/yr
- Recalls on File
- No recalls on file
- EPA: vs Avg Vehicle
- $4,500 more over 5 yrs
- Brand Origin
- United States
NHTSA evaluates frontal, side, and rollover performance. IIHS adds small overlap and roof strength tests. Both sets of results are shown here.
Crash tests measure how a vehicle performs in a collision. Recall data reveals whether the manufacturer or NHTSA has found safety defects requiring correction.
Does the 2026 GMC Sierra 3500HD Have Any Recalls?
As of the data shown, NHTSA has not issued any recall campaigns for the 2026 GMC Sierra 3500HD. The average for Trucks is 2.4 campaigns. Source: NHTSA.
No recalls on file with NHTSA
Owner-Reported Problems
NHTSA complaint data is not available for the 2026 GMC Sierra 3500HD. This does not mean there are no complaints. The model may not yet be tracked in the NHTSA database.
Source: NHTSA Vehicle Complaints Database. Data last refreshed 2026-03-07.
Safety data covered, the next consideration is what this vehicle costs to run. Fuel economy is where most owners feel the difference between trims.
What Is the 2026 GMC Sierra 3500HD Fuel Economy?
The 2026 GMC Sierra 3500HD achieves up to 18 combined MPG according to EPA testing, with an estimated annual fuel cost of $2,450. That is $250 more per year than the $2,200 average for mid-range Trucks. EPA estimates are based on standardized laboratory tests. Source: EPA (fueleconomy.gov).
| Trim | Combined | City | Highway | Annual Fuel Cost |
|---|---|---|---|---|
| Pro 2dr Regular Cab LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 2dr Regular Cab LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Double Cab LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Double Cab LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Crew Cab SB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Crew Cab LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 2dr Regular Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Double Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Crew Cab LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Double Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 2dr Regular Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Pro 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 2dr Regular Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 4dr Double Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 4dr Double Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLE 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLT 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| SLT 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| AT4 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Denali 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Denali 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Denali Ultimate 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A) | 18 MPG | 16 | 21 | $2,450/yr |
| Denali Ultimate 4dr Crew Cab 4WD LB DRW (6.6L 8cyl Turbodiesel 10A) | 18 MPG | 16 | 21 | $2,450/yr |
Fuel costs are predictable from EPA data. The less visible costs, insurance, maintenance, and depreciation, are estimated by AAA for this vehicle class.
What Does the 2026 GMC Sierra 3500HD Cost to Own?
Estimated 5-year total ownership cost for the 2026 GMC Sierra 3500HD ranges from $106,670 to $160,070 depending on trim, based on AAA's Your Driving Costs study for the Half-Ton Pickup class. This includes insurance, maintenance, depreciation, registration, and financing. These are class averages, not specific to this model. Source: AAA.
| Maintenance | $1,871/yr |
|---|---|
| Insurance | $1,898/yr |
| Depreciation | $5,535/yr |
| Registration & Taxes | $984/yr |
| Financing | $1,922/yr |
| Total (excluding fuel) | $14,781/yr |
| Cost per mile | $0.99/mi |
With 32 trims available, the cost and equipment differences are worth examining. The comparison below shows how price, fuel economy, and features vary.
How Do the 2026 GMC Sierra 3500HD Trims Compare?
With 32 trims priced from $47,900 to $101,300, the 2026 GMC Sierra 3500HD offers a range of equipment levels. Trims are available with Gasoline and Diesel powertrains, which affects fuel economy and pricing. MSRP figures below do not include destination, taxes, or dealer fees.
| Trim | Base MSRP | Drive Type | Horsepower | Curb Weight | Est. 5-Year Cost | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pro 2dr Regular Cab LB (6.6L 8cyl 10A) | $47,900 | RWD | 401 hp | 6,329 lbs | $106,670 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 2dr Regular Cab LB DRW (6.6L 8cyl 10A) | $49,300 | RWD | 401 hp | 6,672 lbs | $108,070 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 4dr Double Cab LB (6.6L 8cyl 10A) | $50,000 | RWD | 401 hp | 6,798 lbs | $108,770 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A) | $50,700 | 4WD | 401 hp | 6,672 lbs | $109,470 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 4dr Double Cab LB DRW (6.6L 8cyl 10A) | $51,400 | RWD | 401 hp | 7,142 lbs | $110,170 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 4dr Crew Cab SB (6.6L 8cyl 10A) | $51,600 | RWD | 401 hp | 6,823 lbs | $110,370 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 4dr Crew Cab LB (6.6L 8cyl 10A) | $51,800 | RWD | 401 hp | 6,965 lbs | $110,570 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 2dr Regular Cab 4WD LB DRW (6.6L 8cyl 10A) | $52,100 | 4WD | 401 hp | 7,015 lbs | $110,870 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 4dr Double Cab 4WD LB (6.6L 8cyl 10A) | $52,800 | 4WD | 401 hp | 7,106 lbs | $111,570 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro 4dr Crew Cab LB DRW (6.6L 8cyl 10A) | $53,200 | RWD | 401 hp | 7,298 lbs | $111,970 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Show 22 more trim(s)
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The GMC Sierra 3500HD lineup has contracted from 42 trims in 2024 to 32 trims in 2026. The entry price has increased $2,300 since 2024.
Trims no longer available
- SLE 2dr Regular Cab LB (6.6L 8cyl 10A) (last available 2025)
- SLE 2dr Regular Cab LB DRW (6.6L 8cyl 10A) (last available 2025)
- SLE 4dr Double Cab LB (6.6L 8cyl 10A) (last available 2025)
- SLE 4dr Double Cab LB DRW (6.6L 8cyl 10A) (last available 2025)
- SLE 4dr Crew Cab SB (6.6L 8cyl 10A) (last available 2025)
- SLE 4dr Crew Cab LB (6.6L 8cyl 10A) (last available 2025)
- SLE 4dr Crew Cab LB DRW (6.6L 8cyl 10A) (last available 2025)
- SLT 4dr Crew Cab SB (6.6L 8cyl 10A) (last available 2025)
- SLT 4dr Crew Cab LB (6.6L 8cyl 10A) (last available 2025)
- SLT 4dr Crew Cab LB DRW (6.6L 8cyl 10A) (last available 2025)
Price changes since 2024
- AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) $70,300 (2024) → $72,800 (2026) +$2,500
- AT4 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) $70,500 (2024) → $73,000 (2026) +$2,500
- Denali Ultimate 4dr Crew Cab 4WD LB DRW (6.6L 8cyl Turbodiesel 10A) $98,800 (2024) → $101,300 (2026) +$2,500
- Pro 2dr Regular Cab LB (6.6L 8cyl 10A) $45,600 (2024) → $47,900 (2026) +$2,300
- Pro 2dr Regular Cab LB DRW (6.6L 8cyl 10A) $47,000 (2024) → $49,300 (2026) +$2,300
- Pro 4dr Double Cab LB (6.6L 8cyl 10A) $47,700 (2024) → $50,000 (2026) +$2,300
- Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A) $48,400 (2024) → $50,700 (2026) +$2,300
- Pro 4dr Double Cab LB DRW (6.6L 8cyl 10A) $49,100 (2024) → $51,400 (2026) +$2,300
- Pro 4dr Crew Cab SB (6.6L 8cyl 10A) $49,300 (2024) → $51,600 (2026) +$2,300
- Pro 4dr Crew Cab LB (6.6L 8cyl 10A) $49,500 (2024) → $51,800 (2026) +$2,300
View full trim timeline (2024–2026)
| Trim | 2024 | 2025 | 2026 |
|---|---|---|---|
| Pro 2dr Regular Cab LB (6.6L 8cyl 10A) | $45,600 18 MPG | $47,500 18 MPG | $47,900 18 MPG |
| Pro 2dr Regular Cab LB DRW (6.6L 8cyl 10A) | $47,000 18 MPG | $48,900 18 MPG | $49,300 18 MPG |
| Pro 4dr Double Cab LB (6.6L 8cyl 10A) | $47,700 18 MPG | $49,600 18 MPG | $50,000 18 MPG |
| Pro 2dr Regular Cab 4WD LB (6.6L 8cyl 10A) | $48,400 18 MPG | $50,300 18 MPG | $50,700 18 MPG |
| Pro 4dr Double Cab LB DRW (6.6L 8cyl 10A) | $49,100 18 MPG | $51,000 18 MPG | $51,400 18 MPG |
| Pro 4dr Crew Cab SB (6.6L 8cyl 10A) | $49,300 18 MPG | $51,200 18 MPG | $51,600 18 MPG |
| Pro 4dr Crew Cab LB (6.6L 8cyl 10A) | $49,500 18 MPG | $51,400 18 MPG | $51,800 18 MPG |
| Pro 2dr Regular Cab 4WD LB DRW (6.6L 8cyl 10A) | $49,800 18 MPG | $51,700 18 MPG | $52,100 18 MPG |
| SLE 2dr Regular Cab LB (6.6L 8cyl 10A) | $50,400 18 MPG | $51,600 18 MPG | — |
| Pro 4dr Double Cab 4WD LB (6.6L 8cyl 10A) | $50,500 18 MPG | $52,400 18 MPG | $52,800 18 MPG |
| Pro 4dr Crew Cab LB DRW (6.6L 8cyl 10A) | $50,900 18 MPG | $52,800 18 MPG | $53,200 18 MPG |
| SLE 2dr Regular Cab LB DRW (6.6L 8cyl 10A) | $51,900 18 MPG | $53,100 18 MPG | — |
| Pro 4dr Double Cab 4WD LB DRW (6.6L 8cyl 10A) | $51,900 18 MPG | $53,800 18 MPG | $54,200 18 MPG |
| Pro 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | $52,100 18 MPG | $54,000 18 MPG | $54,400 18 MPG |
| Pro 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | $52,300 18 MPG | $54,200 18 MPG | $54,600 18 MPG |
| SLE 4dr Double Cab LB (6.6L 8cyl 10A) | $52,700 18 MPG | $53,900 18 MPG | — |
| SLE 2dr Regular Cab 4WD LB (6.6L 8cyl 10A) | $53,200 18 MPG | $54,400 18 MPG | $54,700 18 MPG |
| Pro 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | $53,700 18 MPG | $55,600 18 MPG | $56,000 18 MPG |
| SLE 4dr Double Cab LB DRW (6.6L 8cyl 10A) | $54,100 18 MPG | $55,300 18 MPG | — |
| SLE 4dr Crew Cab SB (6.6L 8cyl 10A) | $54,300 18 MPG | $55,500 18 MPG | — |
| SLE 4dr Crew Cab LB (6.6L 8cyl 10A) | $54,500 18 MPG | $55,700 18 MPG | — |
| SLE 2dr Regular Cab 4WD LB DRW (6.6L 8cyl 10A) | $54,700 18 MPG | $55,900 18 MPG | $56,200 18 MPG |
| SLE 4dr Double Cab 4WD LB (6.6L 8cyl 10A) | $55,500 18 MPG | $56,700 18 MPG | $57,000 18 MPG |
| SLE 4dr Crew Cab LB DRW (6.6L 8cyl 10A) | $55,800 18 MPG | $57,000 18 MPG | — |
| SLE 4dr Double Cab 4WD LB DRW (6.6L 8cyl 10A) | $56,900 18 MPG | $58,100 18 MPG | $58,400 18 MPG |
| SLE 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | $57,100 18 MPG | $58,300 18 MPG | $58,600 18 MPG |
| SLE 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | $57,300 18 MPG | $58,500 18 MPG | $58,800 18 MPG |
| SLE 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | $58,600 18 MPG | $59,800 18 MPG | $60,100 18 MPG |
| SLT 4dr Crew Cab SB (6.6L 8cyl 10A) | $61,700 18 MPG | $63,100 18 MPG | — |
| SLT 4dr Crew Cab LB (6.6L 8cyl 10A) | $61,900 18 MPG | $63,300 18 MPG | — |
| SLT 4dr Crew Cab LB DRW (6.6L 8cyl 10A) | $63,300 18 MPG | $64,700 18 MPG | — |
| SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | $64,500 18 MPG | $65,900 18 MPG | $65,900 18 MPG |
| SLT 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | $64,700 18 MPG | $66,100 18 MPG | $66,100 18 MPG |
| SLT 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | $66,100 18 MPG | $67,500 18 MPG | $67,500 18 MPG |
| AT4 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | $70,300 18 MPG | $72,200 18 MPG | $72,800 18 MPG |
| AT4 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | $70,500 18 MPG | $72,400 18 MPG | $73,000 18 MPG |
| Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 10A) | $74,400 18 MPG | $75,000 18 MPG | $76,100 18 MPG |
| Denali 4dr Crew Cab 4WD LB (6.6L 8cyl 10A) | $74,600 18 MPG | $75,200 18 MPG | $76,300 18 MPG |
| Denali 4dr Crew Cab 4WD LB DRW (6.6L 8cyl 10A) | $76,800 18 MPG | $78,000 18 MPG | $79,100 18 MPG |
| Denali Ultimate 4dr Crew Cab 4WD SB (6.6L 8cyl Turbodiesel 10A) | $95,300 18 MPG | $96,700 18 MPG | $97,200 18 MPG |
| Denali Ultimate 4dr Crew Cab 4WD LB (6.6L 8cyl Turbodiesel 10A) | $95,500 18 MPG | $96,900 18 MPG | $97,400 18 MPG |
| Denali Ultimate 4dr Crew Cab 4WD LB DRW (6.6L 8cyl Turbodiesel 10A) | $98,800 18 MPG | $100,800 18 MPG | $101,300 18 MPG |
Compare Trim Costs
Select two trims and adjust your driving and financing to see how monthly costs compare. Only costs we can compute from EPA data and your inputs are shown. No estimates, no guesses.
Your driving & financing
Beyond the purchase decision, the next question is long-term dependability. Here is the reliability rating currently available for this vehicle.
How Reliable Is the 2026 GMC Sierra 3500HD?
RepairPal rates the 2026 GMC Sierra 3500HD at 3.5 out of 5.0 for reliability, which is about average for mid-range Trucks. RepairPal ratings reflect repair frequency and cost data from a network of certified repair shops. Source: RepairPal.
GMC backs this vehicle with the following warranty terms. Coverage begins from the original purchase date.
What Warranty Does the 2026 GMC Sierra 3500HD Come With?
GMC provides the following warranty coverage for the 2026 Sierra 3500HD. Warranty terms are published by the manufacturer and apply to all trims. Coverage begins from the date of original purchase. Warranty terms shown here reflect the most recently published manufacturer data.
| Basic Warranty | 3yr/36k |
|---|---|
| Powertrain Warranty | 5yr/60k |
| Corrosion Warranty | 6yr/100k |
| Roadside Assistance | 5yr/60k |
| Complimentary Maintenance | 1yr/1visit |
What Are the 2026 GMC Sierra 3500HD Specs?
Detailed specifications for the 2026 GMC Sierra 3500HD as reported by the manufacturer. Specifications may vary by trim, market, and production date. Source: manufacturer-reported data.
| Engine | 6.6L V8 |
|---|---|
| Horsepower | 401 - 470 hp |
| Torque | 464 - 975 lb-ft |
| Transmission | 10-speed shiftable automatic |
| Drive Type | Rear-Wheel Drive, Four-Wheel Drive |
| Fuel Type | regular unleaded, diesel fuel |
| Fuel Tank | 36.0 gal |
| Length | 236.3 - 266.8 in |
|---|---|
| Width | 81.9 - 96.6 in |
| Height | 80.0 - 81.2 in |
| Wheelbase | 142.0 - 172.0 in |
| Curb Weight | 6,329 - 8,666 lbs |
What Changed for the 2026 GMC Sierra 3500HD?
- Number of available trims changed
- Pricing changed across one or more trims
Data Coverage
The following data categories are not yet available for the 2026 GMC Sierra 3500HD: NHTSA has not yet published crash test results for this vehicle. IIHS has not yet tested this vehicle for crashworthiness. Learn how we collect, verify, and present vehicle data.
All data shown for the 2026 GMC Sierra 3500HD comes from EPA, NHTSA, IIHS, AAA, manufacturers, and selected third-party references. This page updates automatically when source agencies publish new information. See our methodology page for details on data collection and verification.
Verify this data
2026 GMC Sierra 3500HD FAQ
How does the 2026 GMC Sierra 3500HD compare to other pickup truck (regular cab)s?
Based on published data, the 2026 GMC Sierra 3500HD has a fuel cost grade of F, a RepairPal reliability score of 3.5/5, and zero recalls on file. These grades compare it against similar pickup truck (regular cab)s in its price range. No single metric tells the whole story, so we recommend reviewing each section on this page.
Which 2026 GMC Sierra 3500HD trim has the lowest ownership cost?
Among 32 available trims, the Pro 2dr Regular Cab LB (6.6L 8cyl 10A) has the lowest estimated five-year ownership cost at $106,670, starting at $47,900 MSRP. The most expensive trim to own is about $160,070. See the full trim comparison table above for a side-by-side breakdown.
How much does 2026 GMC Sierra 3500HD insurance cost?
AAA estimates the annual insurance cost for the Half-Ton Pickup class at $1,898 per year, or about $158 per month. This is a class-level average, not specific to the 2026 GMC Sierra 3500HD. Your actual premium will depend on your driving history, location, and coverage choices. Source: AAA Your Driving Costs study.
How much does 2026 GMC Sierra 3500HD maintenance cost per year?
AAA estimates average annual maintenance for the Half-Ton Pickup class at $1,871 per year. This covers routine services, wear items, and unscheduled repairs. Combined with insurance ($1,898/yr) and depreciation ($5,535/yr), total non-fuel ownership costs run about $14,781 per year. These are class averages from the AAA Your Driving Costs study.
How fast does a 2026 GMC Sierra 3500HD depreciate?
AAA estimates the Half-Ton Pickup class depreciates about $5,535 per year, or roughly $27,675 over five years. On a base MSRP of $47,900, that represents about 58% of the purchase price. These are class averages and actual depreciation varies by trim, condition, mileage, and market demand. Source: AAA.
How much will I spend on gas with a 2026 GMC Sierra 3500HD?
The most efficient 2026 GMC Sierra 3500HD trim costs an estimated $2,450 per year in fuel, or about $204 per month, based on EPA ratings and national average fuel prices. That is about $250 more than the average for similar pickup truck (regular cab)s. See our Cheapest Pickup Truck (Regular Cab)s to fuel 2026 list.
What vehicles compete with the 2026 GMC Sierra 3500HD?
Based on price range, body type, and segment positioning, the closest competitors to the 2026 GMC Sierra 3500HD include 2026 Toyota Tundra, 2026 Honda Ridgeline, and 2026 Ford F-150. Each of those pages includes the same safety, fuel cost, reliability, and recall data so you can compare directly. Browse all 2026 Pickup Truck (Regular Cab)s.
What changed on the 2026 GMC Sierra 3500HD from last year?
Compared to the previous model year, 10 trims were dropped and the entry price increased by $2,300 for the GMC Sierra 3500HD lineup. See the trim evolution timeline above for full year-by-year pricing and availability details.
How much does a 2026 GMC Sierra 3500HD cost per month to own?
Excluding your car payment, estimated monthly costs for the 2026 GMC Sierra 3500HD include about $1,232 for insurance, maintenance, depreciation, and fees, plus roughly $204 for fuel. That puts non-payment running costs around $1,436 per month. These are estimates based on AAA class averages and EPA fuel data. Actual costs depend on your driving, location, and coverage.
Has the 2026 GMC Sierra 3500HD been recalled?
No. As of this writing, NHTSA has zero recall campaigns on file for the 2026 GMC Sierra 3500HD. Recalls can be issued at any time, so this status may change. You can check for updates on the NHTSA website. See our Zero-recall cars 2026 list.
Compare to Similar Vehicles
Other Model Years
Data on this page is compiled from government agencies and independent research organizations. It is provided for informational purposes only and does not constitute financial, purchasing, or safety advice. Verify all data with the original source before making decisions.