2021 Audi A3 1.4 TFSIe S Line

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

Price: £19,499. Fair price: £1,196 (6%) over the AskCar estimate of £18,303, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,600 priced Audi A3 adverts on AskCar as of 31 October 2026.

AskCar lists 6,729 used Audi A3 from 2,260 UK dealerships, as of 31 October 2026.

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
28,832 miles
Year
2021
Fuel type
Plug-in hybrid (petrol)
Body type
Hatchback
Engine
1.4 L
Gearbox
Automatic
Power
201 bhp
Seats
5
CO2
26 g/km
Colour
White
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 28,832 miles, this 2021 Audi A3 S Line has covered about 14,500 fewer miles than other 2021 Audi A3 cars. The AskCar estimate for this car is £18,303. It is priced at £19,499, which is £1,196 above that estimate. The AskCar estimate uses 6,600 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. Its recorded MOT is valid until 29 October 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Hawco Group in Aberdeen.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£19,499

Price and mileage comparison

Fair price: £1,196 (6%) over the AskCar estimate of £18,303.

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 6,600 priced Audi A3 adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 14,500 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 29 October 2027. 28,818 miles at the last test.

Other matching cars

41 other 2021 Audi A3 S Line automatic plug-in hybrids (petrol) are for sale at UK dealers from £11,600 to £20,990, as of 31 October 2026.

The 5 cheapest:

The 41 matching cars have covered 18,021 to 111,314 miles, compared with 28,832 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A3 cars for sale · 2021 Audi A3 price guide

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Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.