2020 Audi S3

2.0 TFSI Sportback S tronic 4WD Euro 6 (s/s) 5dr (306 bhp)

£18,990

Far under the typical £27,029 for this model, age and mileage, drawing on 1,022 adverts of this make and model: £8,039 less. Worth asking why.

Overview

Make
Audi
Model
S3
Version
2.0 TFSI Sportback S tronic 4WD Euro 6 (s/s) 5dr (306 bhp)
Mileage
34,954 miles
Year
2020
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
306 bhp
Seats
5
CO2
183 g/km
Colour
Blue
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Emissions standard
Euro 6

About this car

With 34,954 miles on the clock, this 2020 Audi S3 has done roughly 11,800 fewer miles than a typical 2020 Audi S3. The dealer is asking £18,990, which is £8,039 below our market estimate of £27,029. We recommend confirming the advertised price and vehicle details. To estimate its market asking price, we analyse UK dealer adverts for 1,022 Audi S3 cars across different ages and specifications. We first recorded this advert 65 days ago, and its asking price has since fallen by £1,000. Its recorded MOT is valid until 4 June 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by RMCG in Croydon.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 August 2026, 65 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,000 from the first recorded £19,990. 2 price reductions recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observedAsking price
16 August 2026£19,990
3 September 2026£19,490
19 October 2026£18,990

Price and mileage comparison

Estimated market asking price: £27,029. The asking price is £8,039 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,022 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,800 miles lower than typical for a 2020 Audi S3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 4 June 2027. 34,954 miles at the last test.

24 other cars with the same year, trim, gearbox and fuel are for sale from £18,495 to £39,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£18,495122,000 miles
£19,00053,838 miles
£20,99561,167 miles
£21,99563,000 miles
£21,99574,666 miles

These cars have covered 900–122,000 miles, compared with 34,954 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi S3 cars for sale · 2020 Audi S3 price guide

Dealer

RMCG, Croydon. Across the dealer network: 11 cars for sale.

Dealer postcode: CR0 3EU.

Vehicle photos