2026 GMC Sierra 1500 Pro vs 2026 Toyota Tundra SR
25 more lb-ft torque vs $1,040 less and 38 more hp. That is the real fork. Key numbers: 310 vs 348 hp, 18 vs 19 MPG.
The Sierra 1500 Pro leads on 25 more lb-ft torque. The Tundra SR leads on $1,040 less, 38 more hp. 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 | 2026 GMC Sierra 1500 Pro | 2026 Toyota Tundra SR |
|---|---|---|
| Pricing | ||
| MSRP | $47,300 | $46,260 |
| Powertrain | ||
| Engine | 2.7L I4 Turbo | 3.4L V6 Turbo |
| Horsepower | 310 hp | 348 hp |
| Torque | 430 lb-ft | 405 lb-ft |
| Transmission | 8-speed shiftable automatic | 10-speed shiftable automatic |
| Drivetrain | 4WD | 4WD |
| Fuel Economy | ||
| City MPG | 17 | 17 |
| Highway MPG | 19 | 22 |
| Combined MPG | 18 | 19 |
| Fuel Tank | 24.0 gal | 32.2 gal |
| Dimensions | ||
| Curb Weight | 4,990 lbs | 5,500 lbs |
| Wheelbase | 147.0" | 145.7" |
| Length | 231.9" | 233.6" |
| Width | 81.2" | 80.2" |
| Height | 75.5" | 78.0" |
| Truck Specs | ||
| Cab Type | Crew Cab | No published data |
| Bed Length | 5.8 ft | No published data |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| IIHS Award | No published data | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 6yr/100k | 5yr/unlimited |
| Roadside Assistance | 5yr/60k | 2yr/25k |
Frequently Asked Questions
What is the price difference between the 2026 GMC Sierra 1500 Pro and 2026 Toyota Tundra SR?
The 2026 Toyota Tundra SR starts at $46,260, $1,040 less than the 2026 GMC Sierra 1500 Pro at $47,300. On a 60-month loan that is roughly $18/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 GMC Sierra 1500 Pro?
The 2026 GMC Sierra 1500 Pro is the stronger pick when you prefer the GMC approach to the full-size truck segment.
Who should choose the 2026 Toyota Tundra SR?
The 2026 Toyota Tundra SR is the stronger pick when you want to keep $1,040 in your pocket and the 2026 Toyota Tundra SR covers your needs; lower running costs matter to you, roughly $122/year less on fuel; you need the extra 38 hp for towing, hauling, or highway merging.
Which gets better fuel economy, the 2026 GMC Sierra 1500 Pro or 2026 Toyota Tundra SR?
The 2026 Toyota Tundra SR rates 19 combined MPG, 1 MPG ahead.
Which is more powerful, the 2026 GMC Sierra 1500 Pro or 2026 Toyota Tundra SR?
The 2026 Toyota Tundra SR produces 348 hp, 38 more than the 2026 GMC Sierra 1500 Pro at 310 hp. The 2026 GMC Sierra 1500 Pro also leads in torque at 430 lb-ft vs 405 lb-ft. The 2026 GMC Sierra 1500 Pro runs a 2.7L I4 Turbo; the 2026 Toyota Tundra SR uses a 3.4L V6 Turbo.
Is the 2026 GMC Sierra 1500 Pro bigger than the 2026 Toyota Tundra SR?
The 2026 Toyota Tundra SR is 1.7″ longer at 233.6″ vs 231.9″. The 2026 GMC Sierra 1500 Pro has a 1.3″ 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: GMC trims, GMC Sierra 1500 trims, Toyota trims, Toyota Tundra trims
- 2026 GMC Sierra 1500 Pro Safety Ratings (NHTSA)
- 2026 Toyota Tundra SR Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
How the Sierra 1500 and Tundra Stack Up
Two full-size trucks built for work and weekend. The 2026 GMC Sierra 1500 Pro ($47,300) and 2026 Toyota Tundra SR ($46,260) take different approaches to the same job. The $-1,040 gap is about $18/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
Powertrain: Sierra 1500 vs Tundra
The 2026 GMC Sierra 1500 Pro runs a 2.7L I4 Turbo; the 2026 Toyota Tundra SR uses a 3.4L V6 Turbo. The 2026 Toyota Tundra SR has 38 more hp (348 vs 310), enough to notice on highway on-ramps and when passing. Both use 4WD.
What It Actually Costs to Own
The 2026 Toyota Tundra SR saves roughly $122/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $610.
Size, Space, and Daily Reality
The 2026 Toyota Tundra SR weighs 510 lbs more. Heavier vehicles tend to feel more planted at highway speed but use more fuel and are harder to stop quickly.
Which One Should You Buy?
Choose the 2026 GMC Sierra 1500 Pro when you prefer the GMC approach to the full-size truck segment. Choose the 2026 Toyota Tundra SR when you want to keep $1,040 in your pocket and the 2026 Toyota Tundra SR 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 GMC or Toyota or any dealership.