2025 Mazda 3 2.5 Turbo Premium Plus vs 2026 Subaru Impreza RS

47 more hp and 132 more lb-ft torque vs $6,505 less and 2 MPG better. That is the real fork. Key numbers: 227 vs 180 hp, 27 vs 29 MPG.

The short answer

The 3 2.5 Turbo Premium Plus leads on 47 more hp, 132 more lb-ft torque. The Impreza RS leads on $6,505 less, 2 MPG better. The spec table compares 6 specifications head to head.

N/A
Price Gap
47 HP
HP Diff
2 MPG
Efficiency Diff
Vehicle A
2025 Mazda 3 2.5 Turbo Premium Plus
Starts at $36,000
VS
Vehicle B
2026 Subaru Impreza RS
Starts at $29,495

Key Differences at a Glance

Engine
2.5L I4 Turbo
vs
2.5L flat 4
Horsepower
227 hp
vs
180 hp
Torque
310 lb-ft
vs
178 lb-ft
Fuel Economy
27 MPG combined
vs
29 MPG combined
Curb Weight
3,395 lbs
vs
3,275 lbs

What's Actually Different

These two vehicles differ in 6 specifications.

MSRP
$36,0003 2.5 Turbo Premium Plus
$29,495Impreza RS
Engine
2.5L I4 Turbo3 2.5 Turbo Premium Plus
2.5L flat 4Impreza RS
Horsepower
227 hp3 2.5 Turbo Premium Plus
180 hpImpreza RS
Torque
310 lb-ft3 2.5 Turbo Premium Plus
178 lb-ftImpreza RS
Transmission
6-speed shiftable automatic3 2.5 Turbo Premium Plus
continuously variable-speed automaticImpreza RS
City MPG
233 2.5 Turbo Premium Plus
26Impreza RS
Highway MPG
323 2.5 Turbo Premium Plus
33Impreza RS
Combined MPG
273 2.5 Turbo Premium Plus
29Impreza RS
Fuel Tank
12.7 gal3 2.5 Turbo Premium Plus
16.6 galImpreza RS
Curb Weight
3,395 lbs3 2.5 Turbo Premium Plus
3,275 lbsImpreza RS
Wheelbase
107.3"3 2.5 Turbo Premium Plus
105.1"Impreza RS
Length
183.5"3 2.5 Turbo Premium Plus
176.2"Impreza RS
Width
70.7"3 2.5 Turbo Premium Plus
70.1"Impreza RS
Height
56.9"3 2.5 Turbo Premium Plus
58.3"Impreza RS

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 Mazda 3 2.5 Turbo Premium Plus2026 Subaru Impreza RS
Pricing
MSRP$36,000$29,495
Powertrain
Engine2.5L I4 Turbo2.5L flat 4
Horsepower227 hp180 hp
Torque310 lb-ft178 lb-ft
Transmission6-speed shiftable automaticcontinuously variable-speed automatic
DrivetrainAWDAWD
Fuel Economy
City MPG2326
Highway MPG3233
Combined MPG2729
Fuel Tank12.7 gal16.6 gal
Annual Fuel Cost (EPA)No published data$1,500/yr
Dimensions
Curb Weight3,395 lbs3,275 lbs
Wheelbase107.3"105.1"
Length183.5"176.2"
Width70.7"70.1"
Height56.9"58.3"
Safety
IIHS AwardTSP+No published data
Warranty
Bumper-to-Bumper3yr/36k3yr/36k
Powertrain5yr/60k5yr/60k
Corrosion5yr/unlimited5yr/unlimited
Roadside Assistance3yr/36k3yr/36k

Frequently Asked Questions

What is the price difference between the 2025 Mazda 3 2.5 Turbo Premium Plus and 2026 Subaru Impreza RS?

The 2026 Subaru Impreza RS starts at $29,495, $6,505 less than the 2025 Mazda 3 2.5 Turbo Premium Plus at $36,000. On a 60-month loan that is roughly $115/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2025 Mazda 3 2.5 Turbo Premium Plus?

The 2025 Mazda 3 2.5 Turbo Premium Plus is the stronger pick when the extra 47 hp matters for your commute or driving style.

Who should choose the 2026 Subaru Impreza RS?

The 2026 Subaru Impreza RS is the stronger pick when you want to keep $6,505 in your pocket and the 2026 Subaru Impreza RS covers your needs; lower running costs matter to you, roughly $108/year less on fuel.

Which gets better fuel economy, the 2025 Mazda 3 2.5 Turbo Premium Plus or 2026 Subaru Impreza RS?

The 2026 Subaru Impreza RS rates 29 combined MPG, 2 MPG ahead.

Which is more powerful, the 2025 Mazda 3 2.5 Turbo Premium Plus or 2026 Subaru Impreza RS?

The 2025 Mazda 3 2.5 Turbo Premium Plus produces 227 hp, 47 more than the 2026 Subaru Impreza RS at 180 hp. The 2025 Mazda 3 2.5 Turbo Premium Plus also leads in torque at 310 lb-ft vs 178 lb-ft. The 2025 Mazda 3 2.5 Turbo Premium Plus runs a 2.5L I4 Turbo; the 2026 Subaru Impreza RS uses a 2.5L flat 4.

Is the 2025 Mazda 3 2.5 Turbo Premium Plus bigger than the 2026 Subaru Impreza RS?

The 2025 Mazda 3 2.5 Turbo Premium Plus is 7.3″ longer at 183.5″ vs 176.2″. The 2025 Mazda 3 2.5 Turbo Premium Plus has a 2.2″ 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: Mazda trims, Mazda 3 trims, Subaru trims, Subaru Impreza trims

Official sources

The 3–Impreza Decision

Shopping compact cars means the 3 and Impreza will likely end up on the same test-drive day. Here is what the numbers say before you get behind the wheel. The $-6,505 gap adds up to $115/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

The 2025 Mazda 3 2.5 Turbo Premium Plus runs a 2.5L I4 Turbo; the 2026 Subaru Impreza RS uses a 2.5L flat 4. The 2025 Mazda 3 2.5 Turbo Premium Plus has 47 more hp (227 vs 180), enough to notice on highway on-ramps and when passing. The 2025 Mazda 3 2.5 Turbo Premium Plus adds 132 more lb-ft of torque (310 vs 178), giving it stronger low-end pull off the line. Both use AWD.

The Ownership Math

The 2026 Subaru Impreza RS saves roughly $108/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $540.

The Decision

Choose the 2025 Mazda 3 2.5 Turbo Premium Plus when the extra 47 hp matters for your commute or driving style. Choose the 2026 Subaru Impreza RS when you want to keep $6,505 in your pocket and the 2026 Subaru Impreza RS 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 Subaru or any dealership.

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