2026 Ram 1500 Laramie vs 2026 GMC Sierra 1500 AT4
$2,370 less and 115 more hp vs 3 MPG better and 26 more lb-ft torque. That is the real fork. Key numbers: $2,370 price gap, 420 vs 305 hp, 20 vs 23 MPG.
The 1500 Laramie leads on $2,370 less, 115 more hp. The Sierra 1500 AT4 leads on 3 MPG better, 26 more lb-ft torque. The spec table compares 7 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 7 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2026 Ram 1500 Laramie | 2026 GMC Sierra 1500 AT4 |
|---|---|---|
| Pricing | ||
| MSRP | $64,430 | $66,800 |
| Powertrain | ||
| Engine | 3.0L I6 Turbo | 3.0L I6 diesel Turbo |
| Horsepower | 420 hp | 305 hp |
| Torque | 469 lb-ft | 495 lb-ft |
| Transmission | 8-speed shiftable automatic | 10-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 18 | 21 |
| Highway MPG | 24 | 24 |
| Combined MPG | 20 | 23 |
| Fuel Tank | 26.0 gal | 24.0 gal |
| Dimensions | ||
| Curb Weight | 5,233 lbs | 5,500 lbs |
| Wheelbase | 144.5" | 148.0" |
| Length | 232.9" | 232.9" |
| Width | 82.1" | 81.2" |
| Height | 77.5" | 78.4" |
| Truck Specs | ||
| Cab Type | Crew Cab | Crew Cab |
| Bed Length | 5.6 ft | 5.8 ft |
| Safety | ||
| NHTSA Overall | No published data | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 5yr/100k | 6yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Ram 1500 Laramie and 2026 GMC Sierra 1500 AT4?
The 2026 Ram 1500 Laramie starts at $64,430, $2,370 less than the 2026 GMC Sierra 1500 AT4 at $66,800. On a 60-month loan that is roughly $41/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Ram 1500 Laramie?
The 2026 Ram 1500 Laramie is the stronger pick when you want to keep $2,370 in your pocket and the 2026 Ram 1500 Laramie covers your needs; you need the extra 115 hp for towing, hauling, or highway merging.
Who should choose the 2026 GMC Sierra 1500 AT4?
The 2026 GMC Sierra 1500 AT4 is the stronger pick when lower running costs matter to you, roughly $274/year less on fuel.
Which gets better fuel economy, the 2026 Ram 1500 Laramie or 2026 GMC Sierra 1500 AT4?
The 2026 GMC Sierra 1500 AT4 rates 23 combined MPG, 3 MPG ahead.
Which is more powerful, the 2026 Ram 1500 Laramie or 2026 GMC Sierra 1500 AT4?
The 2026 Ram 1500 Laramie produces 420 hp, 115 more than the 2026 GMC Sierra 1500 AT4 at 305 hp. The 2026 GMC Sierra 1500 AT4 also leads in torque at 495 lb-ft vs 469 lb-ft. The 2026 Ram 1500 Laramie runs a 3.0L I6 Turbo; the 2026 GMC Sierra 1500 AT4 uses a 3.0L I6 diesel Turbo.
Is the 2026 Ram 1500 Laramie bigger than the 2026 GMC Sierra 1500 AT4?
Both measure 232.9″ in overall length. The 2026 GMC Sierra 1500 AT4 has a 3.5″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
Both offer similar warranty coverage: 3yr/36k bumper-to-bumper and 5yr/60k powertrain.
Explore more: Ram trims, Ram 1500 trims, GMC trims, GMC Sierra 1500 trims
- 2026 GMC Sierra 1500 AT4 Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
The 1500–Sierra 1500 Decision
Truck buyers cross-shopping the 1500 and Sierra 1500 are comparing more than price. Bed size, powertrain, and tow rating all factor in. The $2,370 gap is about $41/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
What Powers Each Vehicle
The 2026 Ram 1500 Laramie runs a 3.0L I6 Turbo; the 2026 GMC Sierra 1500 AT4 uses a 3.0L I6 diesel Turbo. The 2026 Ram 1500 Laramie has 115 more hp (420 vs 305). A gap that large affects towing confidence, highway merging, and how loaded the vehicle can feel before it struggles. Both use 4WD.
The Ownership Math
The 2026 GMC Sierra 1500 AT4 saves roughly $274/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,370.
The Decision
Choose the 2026 Ram 1500 Laramie when you want to keep $2,370 in your pocket and the 2026 Ram 1500 Laramie covers your needs. Choose the 2026 GMC Sierra 1500 AT4 when lower running costs matter to you, roughly $274/year less on fuel. At $41/month apart, the price difference alone will not decide this.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Ram or GMC or any dealership.