2015 Audi S3 — Full Specifications
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The 2015 Audi S3 is a saloon/sedan powered by a 2L 4-cyl turbo premium gasoline engine. It returns around 31 mpg (UK) / 26 mpg (US EPA) combined. Owners often keep a Audi S3 workshop manual to hand for servicing and repairs.
Full Specifications
| Engine | 2L 4-cyl turbo |
|---|---|
| Transmission | Automatic (AM-S6) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 86 cu ft (2,435 L) |
| Luggage Volume (EPA) | 10 cu ft (283 L) |
| Fuel Economy (UK) | 31 combined / 28 urban / 37 extra-urban mpg |
| Fuel Economy (US EPA) | 26 combined / 23 city / 31 highway mpg |
| CO₂ Emissions | 211 g/km |
| EPA Greenhouse Gas Score | 6 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,150 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2015 Audi S3, all with the 2L 4-cyl turbo engine. 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 turbo | Automatic (AM-S6) | All-Wheel Drive | 31 | 26 (23/31) | 211 | $3,150 |
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 86 cubic feet (about 2,435 litres) and luggage volume at 10 cubic feet (about 283 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 Audi S3
Running Costs: 2015 Audi S3
Covering around 8,000 miles a year in a 2015 Audi S3 at 31 mpg combined, expect roughly 1,173 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,150 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 Audi S3 Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 2 safety recall campaigns that include the 2015 Audi S3 (as of 6 October 2026). Most affected areas: Air bags (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 21V198000, reported 22 March 2021. Risk: A deactivated passenger air bag increases the risk of injury during a crash.
- Air bags — campaign 19V474000, reported 19 June 2019. Risk: A deactivated passenger air bag increases the risk of injury during a crash.
Owners have filed 53 complaints with NHTSA about the 2015 Audi S3. The most-reported areas are Air bags (29), Electrical system (9), Fuel/propulsion system (7). Complaints include 1 reported crash, 2 reported injuries.
Used-buyer checklist for the 2015 Audi S3
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Air bags (2 recall campaigns · 29 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Electrical system (9 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Fuel system (7 owner complaints) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Transmission & drivetrain (6 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
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
Audi models in our database average about 27 mpg (UK) combined on their most efficient configuration; the 2015 Audi S3's 31 mpg is 4 mpg above that make average. Its 211 g/km CO₂ figure is 40 g/km lower than the 251 g/km Audi average.
Of the 11 Audi S3 model years we cover, the 2015 ranks 2nd for combined fuel economy on its best configuration (31 mpg UK combined, against a high of 32 mpg). See every Audi S3 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 Audi S3
Frequently Asked Questions
What engine does the 2015 Audi S3 have?
It's fitted with a 2L 4-cyl turbo premium gasoline engine, paired with a automatic (am-s6) transmission.
What is the fuel economy of the 2015 Audi S3?
The most efficient configuration returns around 31 mpg (UK) combined, or 26 mpg on the US EPA cycle.
How much does the 2015 Audi S3 cost to fuel per year?
The US EPA estimates about $3,150 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 Audi S3 have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 4 stars for frontal crash protection.
Does the 2015 Audi S3 have any recalls?
NHTSA lists 2 safety recall campaigns that include the 2015 Audi S3 (as of 6 October 2026). Most affected areas: Air bags (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 2015 Audi S3?
Among the 53 owner complaints filed with NHTSA, the most-reported areas are Air bags (29 complaints), Electrical system (9 complaints), Fuel/propulsion system (7 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 Audi S3 have?
EPA measures interior passenger volume at 86 cubic feet (about 2,435 litres) and luggage volume at 10 cubic feet (about 283 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.