2026 Kia Sorento SX vs 2026 GMC Acadia Denali
$15,410 less and 2 mpg better vs 47 more hp and 14.4″ longer. That is the real fork. Key numbers: $15,410 price gap, 281 vs 328 hp, 23 vs 21 MPG.
The Sorento SX leads on $15,410 less, 2 MPG better. The Acadia Denali leads on 47 more hp, 14.4″ longer. The spec table compares 4 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 4 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 Kia Sorento SX | 2026 GMC Acadia Denali |
|---|---|---|
| Pricing | ||
| MSRP | $42,290 | $57,700 |
| Powertrain | ||
| Engine | 2.5L I4 Turbo | 2.5L I4 Turbo |
| Horsepower | 281 hp | 328 hp |
| Torque | 311 lb-ft | 326 lb-ft |
| Transmission | 8-speed automated manual | 8-speed shiftable automatic |
| Drivetrain | FWD | AWD |
| Fuel Economy | ||
| City MPG | 20 | 20 |
| Highway MPG | 29 | 23 |
| Combined MPG | 23 | 21 |
| Fuel Tank | 17.7 gal | No published data |
| Annual Fuel Cost (EPA) | No published data | $2,100/yr |
| Dimensions | ||
| Curb Weight | 4,074 lbs | No published data |
| Wheelbase | 110.8" | 120.9" |
| Length | 189.6" | 204.0" |
| Width | 74.8" | 79.6" |
| Height | 66.9" | 71.4" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| IIHS Award | TSP+ | TSP |
| Warranty | ||
| Bumper-to-Bumper | 5yr/60k | 3yr/36k |
| Powertrain | 10yr/100k | 5yr/60k |
| Corrosion | 5yr/100k | 6yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Kia Sorento SX and 2026 GMC Acadia Denali?
The 2026 Kia Sorento SX starts at $42,290, $15,410 less than the 2026 GMC Acadia Denali at $57,700. On a 60-month loan that is roughly $271/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Kia Sorento SX?
The 2026 Kia Sorento SX is the stronger pick when you want to keep $15,410 in your pocket and the 2026 Kia Sorento SX covers your needs; lower running costs matter to you, roughly $174/year less on fuel; you prefer a smaller vehicle that is easier to park and maneuver.
Who should choose the 2026 GMC Acadia Denali?
The 2026 GMC Acadia Denali is the stronger pick when the extra 47 hp matters for your commute or driving style; you drive in snow, rain, or unpaved roads where AWD keeps you planted; you want the larger footprint for passengers or cargo.
Which gets better fuel economy, the 2026 Kia Sorento SX or 2026 GMC Acadia Denali?
The 2026 Kia Sorento SX rates 23 combined MPG, 2 MPG ahead.
Which is more powerful, the 2026 Kia Sorento SX or 2026 GMC Acadia Denali?
The 2026 GMC Acadia Denali produces 328 hp, 47 more than the 2026 Kia Sorento SX at 281 hp. The 2026 GMC Acadia Denali also leads in torque at 326 lb-ft vs 311 lb-ft. Drivetrains differ too: FWD on the 2026 Kia Sorento SX, AWD on the 2026 GMC Acadia Denali.
Is the 2026 Kia Sorento SX bigger than the 2026 GMC Acadia Denali?
The 2026 GMC Acadia Denali is 14.4″ longer at 204.0″ vs 189.6″. The 2026 GMC Acadia Denali has a 10.1″ longer wheelbase, which typically means more rear-seat legroom.
Do the 2026 Kia Sorento SX and 2026 GMC Acadia Denali have the same drivetrain?
No. The 2026 GMC Acadia Denali comes with AWD, while the 2026 Kia Sorento SX uses FWD. If you drive in snow, heavy rain, or on unpaved roads, the all-wheel or four-wheel drive option provides better traction. If you mostly drive on dry pavement, the two-wheel drive option saves fuel.
How do the warranties compare?
The Kia Sorento comes with 5yr/60k bumper-to-bumper and 10yr/100k powertrain. The GMC Acadia offers 3yr/36k bumper-to-bumper and 5yr/60k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: Kia trims, Kia Sorento trims, GMC trims, GMC Acadia trims
- 2026 Kia Sorento SX Safety Ratings (NHTSA)
- 2026 GMC Acadia Denali Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
The Sorento–Acadia Decision
Cross-shopping midsize SUVs means weighing interior space, ride quality, and ownership costs. Here is how the Sorento and Acadia compare. The $15,410 gap adds up to $271/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
Both run the same 2.5L I4 Turbo engine. The 2026 GMC Acadia Denali has 47 more hp (328 vs 281), enough to notice on highway on-ramps and when passing. The 2026 GMC Acadia Denali comes with AWD; the 2026 Kia Sorento SX uses FWD. If you deal with snow, rain, or gravel roads, that traction advantage matters.
The Ownership Math
The 2026 Kia Sorento SX saves roughly $174/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $870. The 2026 Kia Sorento SX wins on both sticker price and running costs, making it the stronger value on paper.
Living With the Sorento vs the Acadia
The 2026 GMC Acadia Denali is 14.4″ longer, which translates to more room inside but a larger footprint in parking lots and garages. The 2026 GMC Acadia Denali has a 10.1″ longer wheelbase, typically meaning a smoother ride and more rear-seat legroom.
The Decision
Choose the 2026 Kia Sorento SX when you want to keep $15,410 in your pocket and the 2026 Kia Sorento SX covers your needs. Choose the 2026 GMC Acadia Denali when the extra 47 hp matters for your commute or driving style. At $271/month more, the 2026 GMC Acadia Denali 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 Kia or GMC or any dealership.