2015 Audi A4 quattro — Full Specifications
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The 2015 Audi A4 quattro is a saloon/sedan powered by a 2L 4-cyl turbo premium gasoline engine. Its most fuel-efficient configuration returns around 31 mpg (UK) / 26 mpg (US EPA) combined, with 29–31 mpg (UK) across all configurations. Owners often keep a Audi A4 quattro workshop manual to hand for servicing and repairs.
Compared with the 2014 Audi A4 quattro: Fuel economy is essentially unchanged at around 31 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 turbo |
|---|---|
| Transmission | Manual 6-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 91 cu ft (2,577 L) |
| Luggage Volume (EPA) | 12 cu ft (340 L) |
| Fuel Economy (UK) | 31 combined / 26 urban / 38 extra-urban mpg |
| Fuel Economy (US EPA) | 26 combined / 22 city / 32 highway mpg |
| CO₂ Emissions | 213 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 2 configurations for the 2015 Audi A4 quattro, all with the 2L 4-cyl turbo engine. Combined fuel economy ranges from 24 to 26 mpg (US), or 29 to 31 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 turbo | Automatic (S8) | All-Wheel Drive | 29 | 24 (21/30) | 226 | $3,400 |
| 2L 4-cyl turbo | Manual 6-spd | All-Wheel Drive | 31 | 26 (22/32) | 213 | $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 91 cubic feet (about 2,577 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 Audi A4 quattro
Running Costs: 2015 Audi A4 quattro
Covering around 8,000 miles a year in a 2015 Audi A4 quattro 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 A4 quattro Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2015 Audi A4 quattro as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 44 complaints with NHTSA about the 2015 Audi A4 quattro. The most-reported areas are Engine (16), Electrical system (7), Power train (6). Complaints include 4 reported crashes, 6 reported injuries. That is well above the median of 29 complaints across the 16 Audi A4 quattro model years in our data.
Used-buyer checklist for the 2015 Audi A4 quattro
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Engine (16 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Electrical system (7 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Transmission & drivetrain (6 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Engine cooling (4 owner complaints) — Check coolant level, look for leaks and make sure the temperature stays steady in traffic.
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 A4 quattro's 31 mpg is 4 mpg above that make average. Its 213 g/km CO₂ figure is 38 g/km lower than the 251 g/km Audi average.
Of the 16 Audi A4 quattro model years we cover, the 2015 ranks 10th for combined fuel economy on its best configuration (31 mpg UK combined, against a high of 36 mpg). See every Audi A4 quattro 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 A4 quattro
Frequently Asked Questions
What engine does the 2015 Audi A4 quattro have?
It's fitted with a 2L 4-cyl turbo premium gasoline engine, paired with a manual 6-spd transmission.
What is the fuel economy of the 2015 Audi A4 quattro?
The most efficient configuration returns around 31 mpg (UK) combined, or 26 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 29 to 31 mpg.
How much does the 2015 Audi A4 quattro 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 A4 quattro have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2015 Audi A4 quattro have any recalls?
NHTSA lists no safety recall campaigns for the 2015 Audi A4 quattro as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2015 Audi A4 quattro?
Among the 44 owner complaints filed with NHTSA, the most-reported areas are Engine (16 complaints), Electrical system (7 complaints), Power train (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 2015 Audi A4 quattro have?
EPA measures interior passenger volume at 91 cubic feet (about 2,577 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.