2026 GMC Terrain Denali vs 2026 Mercedes-Benz GLA AMG GLA 35
$16,750 less vs 127 more hp and 92 more lb-ft torque. That is the real fork. Key numbers: $16,750 price gap, 175 vs 302 hp, 25 vs 25 MPG.
The Terrain Denali leads on $16,750 less. The GLA AMG GLA 35 leads on 127 more hp, 92 more lb-ft torque. The spec table compares 5 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 5 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 Terrain Denali | 2026 Mercedes-Benz GLA AMG GLA 35 |
|---|---|---|
| Pricing | ||
| MSRP | $41,800 | $58,550 |
| Powertrain | ||
| Engine | 1.5L I4 Turbo | 2.0L I4 mild-hybrid Turbo |
| Horsepower | 175 hp | 302 hp |
| Torque | 203 lb-ft | 295 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed automated manual |
| Drivetrain | AWD | AWD |
| Fuel Economy | ||
| City MPG | 24 | 22 |
| Highway MPG | 28 | 30 |
| Combined MPG | 25 | 25 |
| Fuel Tank | 15.6 gal | 13.5 gal |
| Annual Fuel Cost (EPA) | $1,750/yr | No published data |
| Dimensions | ||
| Curb Weight | 3,598 lbs | 3,869 lbs |
| Wheelbase | 107.5" | 107.4" |
| Length | 181.0" | 174.6" |
| Width | 74.5" | 72.8" |
| Height | 66.2" | 62.5" |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 4yr/50k |
| Powertrain | 5yr/60k | 4yr/50k |
| Corrosion | 6yr/100k | 4yr/50k |
| Roadside Assistance | 5yr/60k | 4yr/50k |
Frequently Asked Questions
What is the price difference between the 2026 GMC Terrain Denali and 2026 Mercedes-Benz GLA AMG GLA 35?
The 2026 GMC Terrain Denali starts at $41,800, $16,750 less than the 2026 Mercedes-Benz GLA AMG GLA 35 at $58,550. On a 60-month loan that is roughly $295/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 GMC Terrain Denali?
The 2026 GMC Terrain Denali is the stronger pick when you want to keep $16,750 in your pocket and the 2026 GMC Terrain Denali covers your needs.
Who should choose the 2026 Mercedes-Benz GLA AMG GLA 35?
The 2026 Mercedes-Benz GLA AMG GLA 35 is the stronger pick when the extra 127 hp matters for your commute or driving style.
Which gets better fuel economy, the 2026 GMC Terrain Denali or 2026 Mercedes-Benz GLA AMG GLA 35?
Both achieve 25 combined MPG, so fuel cost is not a factor in this decision.
Which is more powerful, the 2026 GMC Terrain Denali or 2026 Mercedes-Benz GLA AMG GLA 35?
The 2026 Mercedes-Benz GLA AMG GLA 35 produces 302 hp, 127 more than the 2026 GMC Terrain Denali at 175 hp. The 2026 Mercedes-Benz GLA AMG GLA 35 also leads in torque at 295 lb-ft vs 203 lb-ft. The 2026 GMC Terrain Denali runs a 1.5L I4 Turbo; the 2026 Mercedes-Benz GLA AMG GLA 35 uses a 2.0L I4 mild-hybrid Turbo.
Is the 2026 GMC Terrain Denali bigger than the 2026 Mercedes-Benz GLA AMG GLA 35?
The 2026 GMC Terrain Denali is 6.4″ longer at 181.0″ vs 174.6″. The 2026 GMC Terrain Denali has a 0.1″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
The GMC Terrain comes with 3yr/36k bumper-to-bumper and 5yr/60k powertrain. The Mercedes-Benz GLA offers 4yr/50k bumper-to-bumper and 4yr/50k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: GMC trims, GMC Terrain trims, Mercedes-Benz trims, Mercedes-Benz GLA trims
- Compare Fuel Economy (EPA)
How the Terrain and GLA Stack Up
Two midsize SUVs, two different takes on daily versatility. The 2026 GMC Terrain Denali ($41,800) and 2026 Mercedes-Benz GLA AMG GLA 35 ($58,550) solve similar problems in different ways. The $16,750 gap adds up to $295/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
Powertrain: Terrain vs GLA
The 2026 GMC Terrain Denali runs a 1.5L I4 Turbo; the 2026 Mercedes-Benz GLA AMG GLA 35 uses a 2.0L I4 mild-hybrid Turbo. The 2026 Mercedes-Benz GLA AMG GLA 35 has 127 more hp (302 vs 175). You will feel the difference merging, passing, and driving with a full car. The 2026 Mercedes-Benz GLA AMG GLA 35 adds 92 more lb-ft of torque (295 vs 203), giving it stronger low-end pull off the line. Both use AWD.
What It Actually Costs to Own
Annual fuel costs are nearly identical, so running costs will not separate these two.
Which One Should You Buy?
Choose the 2026 GMC Terrain Denali when you want to keep $16,750 in your pocket and the 2026 GMC Terrain Denali covers your needs. Choose the 2026 Mercedes-Benz GLA AMG GLA 35 when the extra 127 hp matters for your commute or driving style. At $295/month more, the 2026 Mercedes-Benz GLA AMG GLA 35 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 GMC or Mercedes-Benz or any dealership.