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: £18,998. Fair price: £265 (1%) over the AskCar estimate of £18,733, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,475 priced Audi A3 adverts on AskCar as of 30 October 2026.

AskCar lists 6,654 used Audi A3 from 2,240 UK dealerships, as of 30 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
22,863 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
Black
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 22,863 miles, this 2021 Audi A3 S Line has covered about 20,700 fewer miles than other 2021 Audi A3 cars. The dealer is asking £18,998, which is £265 above the AskCar estimate of £18,733. To work out the AskCar estimate, we analyse UK dealer adverts for 6,475 Audi A3 cars across different ages and specifications. We have tracked this advert today. The latest MOT record shows an expiry date of 7 October 2027, with the advertised mileage consistent with the recorded reading. It is for sale at Arnold Clark Hillington Renault / Dacia / Alpine / Vanstore in Glasgow.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£18,998

Price and mileage comparison

Fair price: £265 (1%) over the AskCar estimate of £18,733.

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 6,475 priced Audi A3 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 20,700 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 7 October 2027. 22,867 miles at the last test.

Other matching cars

39 other 2021 Audi A3 S Line automatic plug-in hybrids (petrol) are for sale at UK dealers from £11,646 to £20,990, as of 30 October 2026.

The 5 cheapest:

The 39 matching cars have covered 18,021 to 111,314 miles, compared with 22,863 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

More like this

Photos

20 photos of this car are on its AskCar page.

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

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.