2021 Audi A3 1.5 TFSI S Line
Price: £15,395. Fair price: £105 (under 1%) under the AskCar estimate of £15,500, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.
AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2021
- Mileage: 55,385 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 136 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 55,385 miles on the clock, this 2021 Audi A3 S Line has done roughly 12,100 more miles than a typical 2021 Audi A3. The dealer is asking £15,395, which is £105 below the AskCar estimate of £15,500. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. We first recorded this car for sale 19 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motor Range Liverpool, based in Bootle. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £105 (under 1%) under the AskCar estimate of £15,500.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.
A 2021 Audi A3 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 194 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2021 Audi A3 has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 16 October 2026 at £15,395. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 18 March 2027.
It has had 3 MOTs. The latest, on 27 February 2026, passed.
Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge 225/40/18 y.
Mileage at that test: 46,361 miles, which matches the advertised 55,385 miles.
Advertised mileage is about 12,100 miles higher than the median mileage of a 2021 Audi A3 on AskCar.
Similar cars
22 other 2021 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £12,795 to £18,490, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 57,450 miles. Price: £15,180, £215 less than this car. Dealer: Big Motoring World Warrington in Warrington. AskCar page: https://askcar.co.uk/car/audi-a3-2021-5ca99fe74966
- 2021 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 60,000 miles. Price: £14,874, £521 less than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/audi-a3-2021-dd43add68bec
- 2021 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 63,297 miles. Price: £15,499, £104 more than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/audi-a3-2021-76d67551a08b
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
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Photos
44 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.