2018 Audi R8 — 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 2018 Audi R8 is a coupe powered by a 5.2L 10-cyl premium gasoline engine. Its most fuel-efficient configuration returns around 22 mpg (UK) / 18 mpg (US EPA) combined, with 20–22 mpg (UK) across all configurations. Owners often keep a Audi R8 workshop manual to hand for servicing and repairs.
Related 2018 listings: Audi R8 Spyder.
Compared with the 2017 Audi R8: Fuel economy improves from 20 to 22 mpg (UK) combined on the most efficient configuration. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 5.2L 10-cyl |
|---|---|
| Transmission | Automatic (AM-S7) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Coupe |
| Fuel Economy (UK) | 22 combined / 17 urban / 30 extra-urban mpg |
| Fuel Economy (US EPA) | 18 combined / 14 city / 25 highway mpg |
| CO₂ Emissions | 309 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,550 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2018 Audi R8, all with the 5.2L 10-cyl engine. Combined fuel economy ranges from 17 to 18 mpg (US), or 20 to 22 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 |
|---|---|---|---|---|---|---|
| 5.2L 10-cyl | Automatic (AM-S7) | All-Wheel Drive | 20 | 17 (14/22) | 330 | $4,850 |
| 5.2L 10-cyl | Automatic (AM-S7) | Rear-Wheel Drive | 22 | 18 (14/25) | 309 | $4,550 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2018 Audi R8
Running Costs: 2018 Audi R8
Covering around 8,000 miles a year in a 2018 Audi R8 at 22 mpg combined, expect roughly 1,653 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,550 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.
2018 Audi R8 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 no safety recall campaigns for the 2018 Audi R8 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 1 complaint with NHTSA about the 2018 Audi R8. The most-reported areas are Air bags (1). Complaints include 1 reported crash, 1 reported injury, 1 reported death.
Used-buyer checklist for the 2018 Audi R8
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Air bags (1 owner complaint) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
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
How does the Audi R8 compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 22 mpg figure is 3 mpg below that average. Its 309 g/km CO₂ figure is 31 g/km higher than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
Audi models in our database average about 27 mpg (UK) combined on their most efficient configuration; the 2018 Audi R8's 22 mpg is 5 mpg below that make average. Its 309 g/km CO₂ figure is 58 g/km higher than the 251 g/km Audi average.
Of the 11 Audi R8 model years we cover, the 2018 is the most economical on its best configuration (22 mpg UK combined). See every Audi R8 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 2018 Audi R8
Frequently Asked Questions
What engine does the 2018 Audi R8 have?
It's fitted with a 5.2L 10-cyl premium gasoline engine, paired with a automatic (am-s7) transmission.
What is the fuel economy of the 2018 Audi R8?
The most efficient configuration returns around 22 mpg (UK) combined, or 18 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 20 to 22 mpg.
How much does the 2018 Audi R8 cost to fuel per year?
The US EPA estimates about $4,550 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 2018 Audi R8 have any recalls?
NHTSA lists no safety recall campaigns for the 2018 Audi R8 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 2018 Audi R8?
Among the 1 owner complaints filed with NHTSA, the most-reported areas are Air bags (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Audi R8's fuel economy good for a coupe?
It returns around 22 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track.