2011 Subaru Impreza — Full Specifications
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The 2011 Subaru Impreza is a saloon/sedan offered with 2 engines (2.5L 4-cyl, 2.5L 4-cyl turbo). Its most fuel-efficient configuration returns around 26 mpg (UK) / 22 mpg (US EPA) combined, with 23–26 mpg (UK) across all configurations. Owners often keep a Subaru Impreza workshop manual to hand for servicing and repairs.
Compared with the 2010 Subaru Impreza: Fuel economy is essentially unchanged at around 26 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 2.5L 4-cyl |
|---|---|
| Engine options | 2.5L 4-cyl · 2.5L 4-cyl turbo |
| Transmission (most efficient) | Automatic (S4) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 94 cu ft (2,662 L) |
| Luggage Volume (EPA) | 11 cu ft (311 L) |
| Fuel Economy (UK) | 26 combined / 24 urban / 31 extra-urban mpg |
| Fuel Economy (US EPA) | 22 combined / 20 city / 26 highway mpg |
| CO₂ Emissions | 251 g/km |
| EPA Est. Annual Fuel Cost | $3,050 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 4 configurations for the 2011 Subaru Impreza across 2 engines (2.5L 4-cyl, 2.5L 4-cyl turbo). Combined fuel economy ranges from 19 to 22 mpg (US), or 23 to 26 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 |
|---|---|---|---|---|---|---|
| 2.5L 4-cyl | Automatic (S4) | All-Wheel Drive | 26 | 22 (20/26) | 251 | $3,050 |
| 2.5L 4-cyl | Manual 5-spd | All-Wheel Drive | 26 | 22 (20/27) | 251 | $3,050 |
| 2.5L 4-cyl turbo | Manual 5-spd | All-Wheel Drive | 25 | 21 (19/25) | 263 | $3,900 |
| 2.5L 4-cyl turbo | Manual 6-spd | All-Wheel Drive | 23 | 19 (17/22) | 291 | $4,350 |
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 94 cubic feet (about 2,662 litres) and luggage volume at 11 cubic feet (about 311 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2011 Subaru Impreza
Running Costs: 2011 Subaru Impreza
Covering around 8,000 miles a year in a 2011 Subaru Impreza at 26 mpg combined, expect roughly 1,399 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,050 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.
2011 Subaru Impreza Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 14 safety recall campaigns that include the 2011 Subaru Impreza (as of 6 October 2026). Most affected areas: Air bags (9), Electrical system (2), Service brakes (2). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Air bags — campaign 20V003000, reported 2 January 2020. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 20V001000, reported 2 January 2020. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 20V002000, reported 2 January 2020. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Electrical system — campaign 19V297000, reported 11 April 2019. Risk: The engine turning off unexpectedly can increase the risk of a crash. If a crash occurs under this condition, the air bag may not deploy, increasing the risk of injury.
Showing the 4 most recent of 14 campaigns.
Owners have filed 57 complaints with NHTSA about the 2011 Subaru Impreza. The most-reported areas are Air bags (17), Electrical system (9), Fuel/propulsion system (6). Complaints include 5 reported crashes, 2 reported fires, 5 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 2011 Subaru Impreza
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Air bags (9 recall campaigns · 17 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Electrical system (2 recall campaigns · 9 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Brakes (2 recall campaigns) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- 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 2011 Subaru Impreza's 26 mpg is 7 mpg below that make average. Its 251 g/km CO₂ figure is 45 g/km higher than the 206 g/km Subaru average.
Of the 16 Subaru Impreza model years we cover, the 2011 ranks 15th for combined fuel economy on its best configuration (26 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 2011 Subaru Impreza
Frequently Asked Questions
What engine does the 2011 Subaru Impreza have?
EPA lists 2 engines for the 2011 Subaru Impreza: 2.5L 4-cyl, 2.5L 4-cyl turbo. The most fuel-efficient configuration pairs the 2.5L 4-cyl with a automatic (s4).
What is the fuel economy of the 2011 Subaru Impreza?
The most efficient configuration returns around 26 mpg (UK) combined, or 22 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 23 to 26 mpg.
How much does the 2011 Subaru Impreza cost to fuel per year?
The US EPA estimates about $3,050 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 2011 Subaru Impreza have any recalls?
NHTSA lists 14 safety recall campaigns that include the 2011 Subaru Impreza (as of 6 October 2026). Most affected areas: Air bags (9), Electrical system (2), Service brakes (2). 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 2011 Subaru Impreza?
Among the 57 owner complaints filed with NHTSA, the most-reported areas are Air bags (17 complaints), Electrical system (9 complaints), Fuel/propulsion system (6 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 2011 Subaru Impreza have?
EPA measures interior passenger volume at 94 cubic feet (about 2,662 litres) and luggage volume at 11 cubic feet (about 311 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.