2025 Kia Sportage SX-Prestige vs 2026 GMC Acadia Denali

$20,910 less and 4 mpg better vs 141 more hp and 148 more lb-ft torque. That is the real fork. Key numbers: $20,910 price gap, 187 vs 328 hp, 25 vs 21 MPG.

The short answer

The Sportage SX-Prestige leads on $20,910 less, 4 MPG better. The Acadia Denali leads on 141 more hp, 148 more lb-ft torque. The spec table compares 4 specifications head to head.

$20,910
Price Gap
141 HP
HP Diff
4 MPG
Efficiency Diff
Lower price
2025 Kia Sportage SX-Prestige
Starts at $36,790
VS
Higher price
2026 GMC Acadia Denali
Starts at $57,700

Key Differences at a Glance

Engine
2.5L I4
vs
2.5L I4 Turbo
Horsepower
187 hp
vs
328 hp
Torque
178 lb-ft
vs
326 lb-ft
Fuel Economy
25 MPG combined
vs
21 MPG combined

What's Actually Different

These two vehicles differ in 4 specifications.

MSRP
$36,790Sportage SX-Prestige
$57,700Acadia Denali
Engine
2.5L I4Sportage SX-Prestige
2.5L I4 TurboAcadia Denali
Horsepower
187 hpSportage SX-Prestige
328 hpAcadia Denali
Torque
178 lb-ftSportage SX-Prestige
326 lb-ftAcadia Denali
City MPG
23Sportage SX-Prestige
20Acadia Denali
Highway MPG
27Sportage SX-Prestige
23Acadia Denali
Combined MPG
25Sportage SX-Prestige
21Acadia Denali
Wheelbase
108.5"Sportage SX-Prestige
120.9"Acadia Denali
Length
183.5"Sportage SX-Prestige
204.0"Acadia Denali
Width
73.4"Sportage SX-Prestige
79.6"Acadia Denali
Height
66.3"Sportage SX-Prestige
71.4"Acadia Denali
IIHS Award
TSP+Sportage SX-Prestige
TSPAcadia Denali
Bumper-to-Bumper
5yr/60kSportage SX-Prestige
3yr/36kAcadia Denali
Powertrain
10yr/100kSportage SX-Prestige
5yr/60kAcadia Denali
Corrosion
5yr/100kSportage SX-Prestige
6yr/100kAcadia Denali

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.

Spec2025 Kia Sportage SX-Prestige2026 GMC Acadia Denali
Pricing
MSRP$36,790$57,700
Powertrain
Engine2.5L I42.5L I4 Turbo
Horsepower187 hp328 hp
Torque178 lb-ft326 lb-ft
Transmission8-speed shiftable automatic8-speed shiftable automatic
DrivetrainAWDAWD
Fuel Economy
City MPG2320
Highway MPG2723
Combined MPG2521
Fuel Tank14.3 galNo published data
Annual Fuel Cost (EPA)No published data$2,100/yr
Dimensions
Curb Weight3,809 lbsNo published data
Wheelbase108.5"120.9"
Length183.5"204.0"
Width73.4"79.6"
Height66.3"71.4"
Safety
NHTSA Overall5/5 stars5/5 stars
IIHS AwardTSP+TSP
Warranty
Bumper-to-Bumper5yr/60k3yr/36k
Powertrain10yr/100k5yr/60k
Corrosion5yr/100k6yr/100k
Roadside Assistance5yr/60k5yr/60k

Frequently Asked Questions

What is the price difference between the 2025 Kia Sportage SX-Prestige and 2026 GMC Acadia Denali?

The 2025 Kia Sportage SX-Prestige starts at $36,790, $20,910 less than the 2026 GMC Acadia Denali at $57,700. On a 60-month loan that is roughly $368/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2025 Kia Sportage SX-Prestige?

The 2025 Kia Sportage SX-Prestige is the stronger pick when you want to keep $20,910 in your pocket and the 2025 Kia Sportage SX-Prestige covers your needs; lower running costs matter to you, roughly $320/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 141 hp matters for your commute or driving style; you want the larger footprint for passengers or cargo.

Which gets better fuel economy, the 2025 Kia Sportage SX-Prestige or 2026 GMC Acadia Denali?

The 2025 Kia Sportage SX-Prestige rates 25 combined MPG, 4 MPG ahead.

Which is more powerful, the 2025 Kia Sportage SX-Prestige or 2026 GMC Acadia Denali?

The 2026 GMC Acadia Denali produces 328 hp, 141 more than the 2025 Kia Sportage SX-Prestige at 187 hp. The 2026 GMC Acadia Denali also leads in torque at 326 lb-ft vs 178 lb-ft. The 2025 Kia Sportage SX-Prestige runs a 2.5L I4; the 2026 GMC Acadia Denali uses a 2.5L I4 Turbo.

Is the 2025 Kia Sportage SX-Prestige bigger than the 2026 GMC Acadia Denali?

The 2026 GMC Acadia Denali is 20.5″ longer at 204.0″ vs 183.5″. The 2026 GMC Acadia Denali has a 12.4″ longer wheelbase, which typically means more rear-seat legroom.

How do the warranties compare?

The Kia Sportage 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 Sportage trims, GMC trims, GMC Acadia trims

Official sources

Sportage vs Acadia: What This Matchup Is Really About

The 2025 Kia Sportage SX-Prestige and 2026 GMC Acadia Denali sit in the compact SUV class, where cargo room, ride comfort, and family-friendly features define the competitive landscape. The $20,910 gap adds up to $368/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 Kia Sportage SX-Prestige runs a 2.5L I4; the 2026 GMC Acadia Denali uses a 2.5L I4 Turbo. The 2026 GMC Acadia Denali has 141 more hp (328 vs 187). You will feel the difference merging, passing, and driving with a full car. The 2026 GMC Acadia Denali adds 148 more lb-ft of torque (326 vs 178), giving it stronger low-end pull off the line. Both use AWD.

Running Costs: Sportage vs Acadia

The 2025 Kia Sportage SX-Prestige saves roughly $320/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,600. The 2025 Kia Sportage SX-Prestige wins on both sticker price and running costs, making it the stronger value on paper.

How Each One Fits Your Daily Life

The 2026 GMC Acadia Denali is 20.5″ longer, which translates to more room inside but a larger footprint in parking lots and garages. The 2026 GMC Acadia Denali has a 12.4″ longer wheelbase, typically meaning a smoother ride and more rear-seat legroom.

Bottom Line

Choose the 2025 Kia Sportage SX-Prestige when you want to keep $20,910 in your pocket and the 2025 Kia Sportage SX-Prestige covers your needs. Choose the 2026 GMC Acadia Denali when the extra 141 hp matters for your commute or driving style. At $368/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.

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