2021 Audi R8 Spyder — Full Specifications
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The 2021 Audi R8 Spyder is a coupe powered by a 5.2L 10-cyl premium gasoline engine. Its most fuel-efficient configuration returns around 20 mpg (UK) / 17 mpg (US EPA) combined, with 19–20 mpg (UK) across all configurations. Owners often keep a Audi R8 Spyder workshop manual to hand for servicing and repairs.
Related listing: see also the 2021 Audi R8 page for the base R8 listing, which may cover additional engines and body styles.
Compared with the 2020 Audi R8 Spyder: Fuel economy is essentially unchanged at around 20 mpg (UK) combined. 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) | 20 combined / 17 urban / 28 extra-urban mpg |
| Fuel Economy (US EPA) | 17 combined / 14 city / 23 highway mpg |
| CO₂ Emissions | 328 g/km |
| EPA Greenhouse Gas Score | 2 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2021 Audi R8 Spyder, all with the 5.2L 10-cyl engine. Combined fuel economy ranges from 16 to 17 mpg (US), or 19 to 20 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 | 19 | 16 (13/20) | 352 | $5,150 |
| 5.2L 10-cyl | Automatic (AM-S7) | Rear-Wheel Drive | 20 | 17 (14/23) | 328 | $4,850 |
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 2021 Audi R8 Spyder
Running Costs: 2021 Audi R8 Spyder
Covering around 8,000 miles a year in a 2021 Audi R8 Spyder at 20 mpg combined, expect roughly 1,818 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,850 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.
2021 Audi R8 Spyder 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.
How It Compares
How does the Audi R8 Spyder compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 20 mpg figure is 5 mpg below that average. Its 328 g/km CO₂ figure is 50 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 2021 Audi R8 Spyder's 20 mpg is 7 mpg below that make average. Its 328 g/km CO₂ figure is 77 g/km higher than the 251 g/km Audi average.
Of the 10 Audi R8 Spyder model years we cover, the 2021 ranks 2nd for combined fuel economy on its best configuration (20 mpg UK combined, against a high of 22 mpg). See every Audi R8 Spyder 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.
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Frequently Asked Questions
What engine does the 2021 Audi R8 Spyder 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 2021 Audi R8 Spyder?
The most efficient configuration returns around 20 mpg (UK) combined, or 17 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 19 to 20 mpg.
How much does the 2021 Audi R8 Spyder cost to fuel per year?
The US EPA estimates about $4,850 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.
Is the Audi R8 Spyder's fuel economy good for a coupe?
It returns around 20 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track.