2021 Audi A3

1.4 40 TFSI e S Line S tronic FWD Euro 6 5dr (201 bhp)

£15,398

Fair price: within 8% of the typical £15,518 for this model, age and mileage, drawing on 6,542 adverts of this make and model.

Overview

Make: Audi
Model: A3
Trim: S LINE
Version: 1.4 40 TFSI e S Line S tronic FWD Euro 6 5dr (201 bhp)
Mileage: 59,972 miles
Year: 2021
Fuel type: Petrol Plug-in Hybrid
Body type: Hatchback
Engine: 1.4 L
Gearbox: Automatic
Power: 201 bhp
Seats: 5
CO2: 26 g/km
Colour: Red
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: S tronic
Engine badge: TFSIe
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

At 59,972 miles, this 2021 Audi A3 S Line has covered about 16,900 more miles than other 2021 Audi A3 cars. Its asking price of £15,398 is £120 below our estimate of £15,518. Our estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £300. Its recorded MOT is valid until 24 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is CarSupermarket.com Birmingham, based in Birmingham.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 September 2026, 45 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £300 from the first recorded £15,698. 2 price reductions recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observed	Asking price
7 September 2026	£15,698
1 October 2026	£15,598
15 October 2026	£15,398
21 October 2026	£15,398

Price and mileage comparison

Estimated market asking price: £15,518. The asking price is £120 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 6,542 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,900 miles higher than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 June 2027. 55,304 miles at the last test.

33 other cars with the same year, trim, gearbox and fuel are for sale from £11,700 to £20,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,700	111,314 miles
£11,751	99,572 miles
£12,199	110,158 miles
£12,449	77,000 miles
£13,400	91,000 miles

These cars have covered 18,021–111,314 miles, compared with 59,972 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 A3 cars for sale · 2021 Audi A3 price guide

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Dealer

CarSupermarket.com Birmingham, Birmingham. Across the dealer network: 14 branches, 1,429 cars for sale.

Dealer postcode: B33 0JD.

Dealer opening hours

Monday: 08:30-20:00
Tuesday: 08:30-20:00
Wednesday: 08:30-20:00
Thursday: 08:30-20:00
Friday: 08:30-20:00
Saturday: 08:30-17:30
Sunday: 10:00-16:00