2015 Subaru Impreza — Full Specifications
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The 2015 Subaru Impreza is a saloon/sedan powered by a 2L 4-cyl regular gasoline engine. Its most fuel-efficient configuration returns around 37 mpg (UK) / 31 mpg (US EPA) combined, with 34–37 mpg (UK) across all configurations. Owners often keep a Subaru Impreza workshop manual to hand for servicing and repairs.
Compared with the 2014 Subaru Impreza: Fuel economy is essentially unchanged at around 37 mpg (UK) combined. No longer listed: 2.5L 4-cyl turbo. It carries the same 5★ overall NHTSA rating. EPA passenger volume changes from 96 to 97 cu ft.
Full Specifications
| Engine | 2L 4-cyl |
|---|---|
| Transmission | Automatic (AV-S6) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 97 cu ft (2,747 L) |
| Luggage Volume (EPA) | 12 cu ft (340 L) |
| Fuel Economy (UK) | 37 combined / 34 urban / 43 extra-urban mpg |
| Fuel Economy (US EPA) | 31 combined / 28 city / 36 highway mpg |
| CO₂ Emissions | 180 g/km |
| EPA Greenhouse Gas Score | 7 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $2,150 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2015 Subaru Impreza, all with the 2L 4-cyl engine. Combined fuel economy ranges from 28 to 31 mpg (US), or 34 to 37 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 2L 4-cyl | Automatic (AV-S6) | All-Wheel Drive | 37 | 31 (28/36) | 180 | $2,150 |
| 2L 4-cyl | Manual 5-spd | All-Wheel Drive | 34 | 28 (25/33) | 198 | $2,400 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 97 cubic feet (about 2,747 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2015 Subaru Impreza
Running Costs: 2015 Subaru Impreza
Covering around 8,000 miles a year in a 2015 Subaru Impreza at 37 mpg combined, expect roughly 983 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $2,150 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2015 Subaru Impreza Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 2 safety recall campaigns that include the 2015 Subaru Impreza (as of 6 October 2026). Most affected areas: Exterior lighting (1), Forward collision avoidance (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Exterior lighting — campaign 19V149000, reported 28 February 2019. Risk: Brake lights that do not illuminate properly will not alert other drivers that the vehicle is slowing or stopping, increasing the risk of crash.
- Forward collision avoidance — campaign 15V366000, reported 12 June 2015. Risk: If the automatic pre-collision braking system does not function as intended, the vehicle will not react to an obstacle in its path, increasing the risk of a crash.
Owners have filed 79 complaints with NHTSA about the 2015 Subaru Impreza. The most-reported areas are Electrical system (20), Unspecified (14), Power train (12). Complaints include 5 reported crashes, 4 reported injuries. That is close to the median of 66 complaints across the 16 Subaru Impreza model years in our data.
Used-buyer checklist for the 2015 Subaru Impreza
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Electrical system (20 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Transmission & drivetrain (12 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Engine (10 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Lighting (1 recall campaign) — Check every exterior light works and look for moisture inside the lamp housings.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
Subaru models in our database average about 33 mpg (UK) combined on their most efficient configuration; the 2015 Subaru Impreza's 37 mpg is 4 mpg above that make average. Its 180 g/km CO₂ figure is 26 g/km lower than the 206 g/km Subaru average.
Of the 16 Subaru Impreza model years we cover, the 2015 ranks 6th for combined fuel economy on its best configuration (37 mpg UK combined, against a high of 38 mpg). See every Subaru Impreza year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2015 Subaru Impreza
Frequently Asked Questions
What engine does the 2015 Subaru Impreza have?
It's fitted with a 2L 4-cyl regular gasoline engine, paired with a automatic (av-s6) transmission.
What is the fuel economy of the 2015 Subaru Impreza?
The most efficient configuration returns around 37 mpg (UK) combined, or 31 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 34 to 37 mpg.
How much does the 2015 Subaru Impreza cost to fuel per year?
The US EPA estimates about $2,150 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2015 Subaru Impreza have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 4 stars for frontal crash protection.
Does the 2015 Subaru Impreza have any recalls?
NHTSA lists 2 safety recall campaigns that include the 2015 Subaru Impreza (as of 6 October 2026). Most affected areas: Exterior lighting (1), Forward collision avoidance (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2015 Subaru Impreza?
Among the 79 owner complaints filed with NHTSA, the most-reported areas are Electrical system (20 complaints), Unspecified (14 complaints), Power train (12 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2015 Subaru Impreza have?
EPA measures interior passenger volume at 97 cubic feet (about 2,747 litres) and luggage volume at 12 cubic feet (about 340 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.