2020 Subaru Impreza — Full Specifications
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Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2020 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 31–37 mpg (UK) across all configurations. Owners often keep a Subaru Impreza workshop manual to hand for servicing and repairs.
Related 2020 listings: Subaru Impreza 4-Door, Subaru Impreza 5-Door, Subaru Impreza Sport 5-Door.
Compared with the 2019 Subaru Impreza: Fuel economy is essentially unchanged at around 37 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 5★ overall NHTSA rating.
Full Specifications
| Engine | 2L 4-cyl |
|---|---|
| Transmission | Automatic (AV-S7) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 100 cu ft (2,832 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 | 181 g/km |
| EPA Greenhouse Gas Score | 5 / 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 2020 Subaru Impreza, all with the 2L 4-cyl engine. Combined fuel economy ranges from 26 to 31 mpg (US), or 31 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-S7) | All-Wheel Drive | 37 | 31 (28/36) | 181 | $2,150 |
| 2L 4-cyl | Manual 5-spd | All-Wheel Drive | 31 | 26 (23/31) | 209 | $2,600 |
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 100 cubic feet (about 2,832 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 2020 Subaru Impreza
Running Costs: 2020 Subaru Impreza
Covering around 8,000 miles a year in a 2020 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.
2020 Subaru Impreza Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 1 safety recall campaign that include the 2020 Subaru Impreza (as of 6 October 2026). Most affected areas: Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Fuel system — campaign 21V587000, reported 29 July 2021. Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Owners have filed 85 complaints with NHTSA about the 2020 Subaru Impreza. The most-reported areas are Visibility/wiper (52), Unspecified (17), Service brakes (5). Complaints include 2 reported crashes, 2 reported fires, 2 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 2020 Subaru Impreza
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Visibility (52 owner complaints) — Check wipers, washers and demisters work properly.
- Fuel system (1 recall campaign) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Brakes (5 owner complaints) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Electrical system (4 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
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 2020 Subaru Impreza's 37 mpg is 4 mpg above that make average. Its 181 g/km CO₂ figure is 25 g/km lower than the 206 g/km Subaru average.
Of the 16 Subaru Impreza model years we cover, the 2020 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 2020 Subaru Impreza
Frequently Asked Questions
What engine does the 2020 Subaru Impreza have?
It's fitted with a 2L 4-cyl regular gasoline engine, paired with a automatic (av-s7) transmission.
What is the fuel economy of the 2020 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 31 to 37 mpg.
How much does the 2020 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 2020 Subaru Impreza have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2020 Subaru Impreza have any recalls?
NHTSA lists 1 safety recall campaign that include the 2020 Subaru Impreza (as of 6 October 2026). Most affected areas: Fuel system (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 2020 Subaru Impreza?
Among the 85 owner complaints filed with NHTSA, the most-reported areas are Visibility/wiper (52 complaints), Unspecified (17 complaints), Service brakes (5 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 2020 Subaru Impreza have?
EPA measures interior passenger volume at 100 cubic feet (about 2,832 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.