2026 Ford F-150 Platinum vs 2025 GMC Sierra 1500 Denali
On paper, the 2026 Ford F-150 Platinum wins on 2 MPG better, 45 more hp, 117 more lb-ft torque. The 2025 GMC Sierra 1500 Denali has to win you at the dealer. Key numbers: 400 vs 355 hp, 19 vs 17 MPG.
The F-150 Platinum leads on 2 MPG better, 45 more hp. The Sierra 1500 Denali leads on $3,900 less. 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 Ford F-150 Platinum | 2025 GMC Sierra 1500 Denali |
|---|---|---|
| Pricing | ||
| MSRP | $72,600 | $68,700 |
| Powertrain | ||
| Engine | 3.5L V6 Turbo | 5.3L V8 |
| Horsepower | 400 hp | 355 hp |
| Torque | 500 lb-ft | 383 lb-ft |
| Transmission | 10-speed shiftable automatic | 10-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 16 | 15 |
| Highway MPG | 24 | 19 |
| Combined MPG | 19 | 17 |
| Fuel Tank | 36.0 gal | 24.0 gal |
| Dimensions | ||
| Curb Weight | 5,096 lbs | 5,110 lbs |
| Wheelbase | 145.4" | 147.0" |
| Length | 232.0" | 231.9" |
| Width | 79.9" | 81.2" |
| Height | 77.1" | 75.5" |
| Truck Specs | ||
| Cab Type | SuperCrew | Crew Cab |
| Bed Length | 5.5 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 | 5yr/unlimited | 6yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Ford F-150 Platinum and 2025 GMC Sierra 1500 Denali?
The 2025 GMC Sierra 1500 Denali starts at $68,700, $3,900 less than the 2026 Ford F-150 Platinum at $72,600. On a 60-month loan that is roughly $68/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Ford F-150 Platinum?
The 2026 Ford F-150 Platinum is the stronger pick when lower running costs matter to you, roughly $260/year less on fuel; you need the extra 45 hp for towing, hauling, or highway merging; 117 lb-ft more torque for pulling trailers and heavy loads.
Who should choose the 2025 GMC Sierra 1500 Denali?
The 2025 GMC Sierra 1500 Denali is the stronger pick when you want to keep $3,900 in your pocket and the 2025 GMC Sierra 1500 Denali covers your needs.
Which gets better fuel economy, the 2026 Ford F-150 Platinum or 2025 GMC Sierra 1500 Denali?
The 2026 Ford F-150 Platinum rates 19 combined MPG, 2 MPG ahead.
Which is more powerful, the 2026 Ford F-150 Platinum or 2025 GMC Sierra 1500 Denali?
The 2026 Ford F-150 Platinum produces 400 hp, 45 more than the 2025 GMC Sierra 1500 Denali at 355 hp. The 2026 Ford F-150 Platinum also leads in torque at 500 lb-ft vs 383 lb-ft. That torque gap matters most when towing or hauling heavy loads. The 2026 Ford F-150 Platinum runs a 3.5L V6 Turbo; the 2025 GMC Sierra 1500 Denali uses a 5.3L V8.
Is the 2026 Ford F-150 Platinum bigger than the 2025 GMC Sierra 1500 Denali?
The 2026 Ford F-150 Platinum is 0.1″ longer at 232.0″ vs 231.9″. The 2025 GMC Sierra 1500 Denali has a 1.6″ 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: Ford trims, Ford F-150 trims, GMC trims, GMC Sierra 1500 trims
The F-150–Sierra 1500 Decision
Truck buyers cross-shopping the F-150 and Sierra 1500 are comparing more than price. Bed size, powertrain, and tow rating all factor in. The $-3,900 gap adds up to $68/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
What Powers Each Vehicle
The 2026 Ford F-150 Platinum runs a 3.5L V6 Turbo; the 2025 GMC Sierra 1500 Denali uses a 5.3L V8. The 2026 Ford F-150 Platinum has 45 more hp (400 vs 355), enough to notice on highway on-ramps and when passing. The 2026 Ford F-150 Platinum also delivers 117 more lb-ft of torque (500 vs 383), which matters for trailer stability and pulling heavy loads up grades. Both use 4WD.
The Ownership Math
The 2026 Ford F-150 Platinum saves roughly $260/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,300.
The Decision
Choose the 2026 Ford F-150 Platinum when lower running costs matter to you, roughly $260/year less on fuel. Choose the 2025 GMC Sierra 1500 Denali when you want to keep $3,900 in your pocket and the 2025 GMC Sierra 1500 Denali covers your needs.
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 Ford or GMC or any dealership.