2026 Mazda 3 2.5 Turbo Premium Plus vs 2025 Kia K5 GT
On paper, the 2025 Kia K5 GT wins on $4,600 less, 63 more hp, 17.5″ longer. The 2026 Mazda 3 2.5 Turbo Premium Plus has to win you at the dealer. Key numbers: 227 vs 290 hp, 26 vs 27 MPG.
The 3 2.5 Turbo Premium Plus leads on AWD. The K5 GT leads on $4,600 less, 63 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 Mazda 3 2.5 Turbo Premium Plus | 2025 Kia K5 GT |
|---|---|---|
| Pricing | ||
| MSRP | $37,890 | $33,290 |
| Powertrain | ||
| Engine | 2.5L I4 Turbo | 2.5L I4 Turbo |
| Horsepower | 227 hp | 290 hp |
| Torque | 310 lb-ft | 311 lb-ft |
| Transmission | 6-speed shiftable automatic | 8-speed automated manual |
| Drivetrain | AWD | FWD |
| Fuel Economy | ||
| City MPG | 23 | 23 |
| Highway MPG | 31 | 33 |
| Combined MPG | 26 | 27 |
| Fuel Tank | 12.7 gal | 15.8 gal |
| Dimensions | ||
| Curb Weight | 3,417 lbs | 3,596 lbs |
| Wheelbase | 107.3" | 112.2" |
| Length | 175.6" | 193.1" |
| Width | 70.7" | 73.2" |
| Height | 56.7" | 56.9" |
| Safety | ||
| NHTSA Overall | No published data | 5/5 stars |
| IIHS Award | TSP+ | No published data |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 5yr/60k |
| Powertrain | 5yr/60k | 10yr/100k |
| Corrosion | 5yr/unlimited | 5yr/100k |
| Roadside Assistance | 3yr/36k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Mazda 3 2.5 Turbo Premium Plus and 2025 Kia K5 GT?
The 2025 Kia K5 GT starts at $33,290, $4,600 less than the 2026 Mazda 3 2.5 Turbo Premium Plus at $37,890. On a 60-month loan that is roughly $81/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Mazda 3 2.5 Turbo Premium Plus?
The 2026 Mazda 3 2.5 Turbo Premium Plus is the stronger pick when you drive in snow, rain, or unpaved roads where AWD keeps you planted; you prefer a smaller vehicle that is easier to park and maneuver.
Who should choose the 2025 Kia K5 GT?
The 2025 Kia K5 GT is the stronger pick when you want to keep $4,600 in your pocket and the 2025 Kia K5 GT covers your needs; lower running costs matter to you, roughly $59/year less on fuel; the extra 63 hp matters for your commute or driving style.
Which gets better fuel economy, the 2026 Mazda 3 2.5 Turbo Premium Plus or 2025 Kia K5 GT?
The 2025 Kia K5 GT rates 27 combined MPG, 1 MPG ahead.
Which is more powerful, the 2026 Mazda 3 2.5 Turbo Premium Plus or 2025 Kia K5 GT?
The 2025 Kia K5 GT produces 290 hp, 63 more than the 2026 Mazda 3 2.5 Turbo Premium Plus at 227 hp. The 2025 Kia K5 GT also leads in torque at 311 lb-ft vs 310 lb-ft. Drivetrains differ too: AWD on the 2026 Mazda 3 2.5 Turbo Premium Plus, FWD on the 2025 Kia K5 GT.
Is the 2026 Mazda 3 2.5 Turbo Premium Plus bigger than the 2025 Kia K5 GT?
The 2025 Kia K5 GT is 17.5″ longer at 193.1″ vs 175.6″. The 2025 Kia K5 GT has a 4.9″ longer wheelbase, which typically means more rear-seat legroom.
Do the 2026 Mazda 3 2.5 Turbo Premium Plus and 2025 Kia K5 GT have the same drivetrain?
No. The 2026 Mazda 3 2.5 Turbo Premium Plus comes with AWD, while the 2025 Kia K5 GT 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 Mazda 3 comes with 3yr/36k bumper-to-bumper and 5yr/60k powertrain. The Kia K5 offers 5yr/60k bumper-to-bumper and 10yr/100k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: Mazda trims, Mazda 3 trims, Kia trims, Kia K5 trims
How the 3 and K5 Stack Up
Two compact cars, two brands, and a decision that comes down to which one fits your commute and budget. The 2026 Mazda 3 2.5 Turbo Premium Plus starts at $37,890; the 2025 Kia K5 GT at $33,290. The $-4,600 gap adds up to $81/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: 3 vs K5
Both run the same 2.5L I4 Turbo engine. The 2025 Kia K5 GT has 63 more hp (290 vs 227). You will feel the difference merging, passing, and driving with a full car. The 2026 Mazda 3 2.5 Turbo Premium Plus comes with AWD; the 2025 Kia K5 GT uses FWD. If you deal with snow, rain, or gravel roads, that traction advantage matters.
What It Actually Costs to Own
The 2025 Kia K5 GT saves roughly $59/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $295.
Size, Space, and Daily Reality
The 2025 Kia K5 GT is 17.5″ longer, which translates to more room inside but a larger footprint in parking lots and garages.
Which One Should You Buy?
Choose the 2026 Mazda 3 2.5 Turbo Premium Plus when you drive in snow, rain, or unpaved roads where AWD keeps you planted. Choose the 2025 Kia K5 GT when you want to keep $4,600 in your pocket and the 2025 Kia K5 GT 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 Mazda or Kia or any dealership.