2025 Ram 1500 Big Horn vs 2025 GMC Sierra 1500 SLE
$2,965 less and 3 mpg better vs 161 more lb-ft torque. That is the real fork. Key numbers: $2,965 price gap, 305 vs 310 hp, 21 vs 18 MPG.
The 1500 Big Horn leads on $2,965 less, 3 MPG better. The Sierra 1500 SLE leads on 161 more lb-ft torque. The spec table compares 6 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 6 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 | 2025 Ram 1500 Big Horn | 2025 GMC Sierra 1500 SLE |
|---|---|---|
| Pricing | ||
| MSRP | $51,535 | $54,500 |
| Powertrain | ||
| Engine | 3.6L V6 mild-hybrid | 2.7L I4 Turbo |
| Horsepower | 305 hp | 310 hp |
| Torque | 269 lb-ft | 430 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 19 | 17 |
| Highway MPG | 24 | 19 |
| Combined MPG | 21 | 18 |
| Fuel Tank | No published data | 24.0 gal |
| Annual Fuel Cost (EPA) | $2,100/yr | No published data |
| Dimensions | ||
| Curb Weight | 5,083 lbs | 4,990 lbs |
| Wheelbase | 144.5" | 147.0" |
| Length | 232.9" | 231.9" |
| Width | 82.1" | 81.2" |
| Height | 77.6" | 75.5" |
| 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 2025 Ram 1500 Big Horn and 2025 GMC Sierra 1500 SLE?
The 2025 Ram 1500 Big Horn starts at $51,535, $2,965 less than the 2025 GMC Sierra 1500 SLE at $54,500. On a 60-month loan that is roughly $52/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2025 Ram 1500 Big Horn?
The 2025 Ram 1500 Big Horn is the stronger pick when you want to keep $2,965 in your pocket and the 2025 Ram 1500 Big Horn covers your needs; lower running costs matter to you, roughly $333/year less on fuel.
Who should choose the 2025 GMC Sierra 1500 SLE?
The 2025 GMC Sierra 1500 SLE is the stronger pick when 161 lb-ft more torque for pulling trailers and heavy loads.
Which gets better fuel economy, the 2025 Ram 1500 Big Horn or 2025 GMC Sierra 1500 SLE?
The 2025 Ram 1500 Big Horn rates 21 combined MPG, 3 MPG ahead.
Which is more powerful, the 2025 Ram 1500 Big Horn or 2025 GMC Sierra 1500 SLE?
The 2025 GMC Sierra 1500 SLE produces 310 hp, 5 more than the 2025 Ram 1500 Big Horn at 305 hp. The 2025 GMC Sierra 1500 SLE also leads in torque at 430 lb-ft vs 269 lb-ft. That torque gap matters most when towing or hauling heavy loads. The 2025 Ram 1500 Big Horn runs a 3.6L V6 mild-hybrid; the 2025 GMC Sierra 1500 SLE uses a 2.7L I4 Turbo.
Is the 2025 Ram 1500 Big Horn bigger than the 2025 GMC Sierra 1500 SLE?
The 2025 Ram 1500 Big Horn is 1.0″ longer at 232.9″ vs 231.9″. The 2025 GMC Sierra 1500 SLE has a 2.5″ 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
- 2025 GMC Sierra 1500 SLE Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
1500 vs Sierra 1500: What This Matchup Is Really About
The 2025 Ram 1500 Big Horn and 2025 GMC Sierra 1500 SLE compete directly in the full-size truck segment, where towing capacity, payload, and cab comfort separate the contenders. The $2,965 gap adds up to $52/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
Under the Hood
The 2025 Ram 1500 Big Horn runs a 3.6L V6 mild-hybrid; the 2025 GMC Sierra 1500 SLE uses a 2.7L I4 Turbo. The 5 hp difference (310 vs 305) is marginal in daily driving. The 2025 GMC Sierra 1500 SLE also delivers 161 more lb-ft of torque (430 vs 269), which matters for trailer stability and pulling heavy loads up grades. Both use 4WD.
Running Costs: 1500 vs Sierra 1500
The 2025 Ram 1500 Big Horn saves roughly $333/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,665. The 2025 Ram 1500 Big Horn wins on both sticker price and running costs, making it the stronger value on paper.
Bottom Line
Choose the 2025 Ram 1500 Big Horn when you want to keep $2,965 in your pocket and the 2025 Ram 1500 Big Horn covers your needs. Choose the 2025 GMC Sierra 1500 SLE when 161 lb-ft more torque for pulling trailers and heavy loads. At $52/month more, the 2025 GMC Sierra 1500 SLE needs to earn that gap with something you use weekly.
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.