2026 Chevrolet Silverado 1500 LT vs 2026 GMC Sierra 1500 SLE
$800 less vs 10 MPG better. That is the real fork. Key numbers: $800 price gap, 310 vs 310 hp, 8 vs 18 MPG.
The Silverado 1500 LT leads on $800 less. The Sierra 1500 SLE leads on 10 MPG better. The spec table compares 2 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 2 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 Chevrolet Silverado 1500 LT | 2026 GMC Sierra 1500 SLE |
|---|---|---|
| Pricing | ||
| MSRP | $53,600 | $54,400 |
| Powertrain | ||
| Engine | 2.7L I4 Turbo | 2.7L I4 Turbo |
| Horsepower | 310 hp | 310 hp |
| Torque | 430 lb-ft | 430 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 17 | 17 |
| Highway MPG | 20 | 19 |
| Combined MPG | 8 | 18 |
| Fuel Tank | 24.0 gal | 24.0 gal |
| Dimensions | ||
| Curb Weight | 4,950 lbs | 4,990 lbs |
| Wheelbase | 147.4" | 147.0" |
| Length | 231.9" | 231.9" |
| Width | 81.2" | 81.2" |
| Height | 75.5" | 75.5" |
| Truck Specs | ||
| Cab Type | Crew Cab | Crew Cab |
| Bed Length | 5.8 ft | 5.8 ft |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 6yr/100k | 6yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Chevrolet Silverado 1500 LT and 2026 GMC Sierra 1500 SLE?
The 2026 Chevrolet Silverado 1500 LT starts at $53,600, $800 less than the 2026 GMC Sierra 1500 SLE at $54,400. On a 60-month loan that is roughly $14/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Chevrolet Silverado 1500 LT?
The 2026 Chevrolet Silverado 1500 LT is the stronger pick when you want to keep $800 in your pocket and the 2026 Chevrolet Silverado 1500 LT covers your needs.
Who should choose the 2026 GMC Sierra 1500 SLE?
The 2026 GMC Sierra 1500 SLE is the stronger pick when lower running costs matter to you, roughly $2,917/year less on fuel.
Which gets better fuel economy, the 2026 Chevrolet Silverado 1500 LT or 2026 GMC Sierra 1500 SLE?
The 2026 GMC Sierra 1500 SLE rates 18 combined MPG, 10 MPG ahead.
Which is more powerful, the 2026 Chevrolet Silverado 1500 LT or 2026 GMC Sierra 1500 SLE?
Both produce 310 hp.
Is the 2026 Chevrolet Silverado 1500 LT bigger than the 2026 GMC Sierra 1500 SLE?
Both measure 231.9″ in overall length. The 2026 Chevrolet Silverado 1500 LT has a 0.4″ 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: Chevrolet trims, Chevrolet Silverado 1500 trims, GMC trims, GMC Sierra 1500 trims
How the Silverado 1500 and Sierra 1500 Stack Up
Two full-size trucks built for work and weekend. The 2026 Chevrolet Silverado 1500 LT ($53,600) and 2026 GMC Sierra 1500 SLE ($54,400) take different approaches to the same job. The $800 gap is about $14/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
Powertrain: Silverado 1500 vs Sierra 1500
Both run the same 2.7L I4 Turbo engine. Both produce 310 hp. Both use 4WD.
What It Actually Costs to Own
The 2026 GMC Sierra 1500 SLE saves roughly $2,917/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $14,585. The 2026 GMC Sierra 1500 SLE costs more upfront but recovers some of that gap through lower running costs. At $2,917/year in savings, it takes about 0.3 years to close the $800 sticker difference.
Which One Should You Buy?
Choose the 2026 Chevrolet Silverado 1500 LT when you want to keep $800 in your pocket and the 2026 Chevrolet Silverado 1500 LT covers your needs. Choose the 2026 GMC Sierra 1500 SLE when lower running costs matter to you, roughly $2,917/year less on fuel. At $14/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 Chevrolet or GMC or any dealership.