2021 Audi A3 1.4 TFSIe S Line Competition

Version: 1.4 13kWh TFSIe 45 S Line Competition S tronic FWD Euro 6 (s/s) 5dr Sportback (242 bhp)

Price: £15,570. Fair price: £31 (under 1%) over the AskCar estimate of £15,539, 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 Competition
Version
1.4 13kWh TFSIe 45 S Line Competition S tronic FWD Euro 6 (s/s) 5dr Sportback (242 bhp)
Mileage
75,605 miles
Year
2021
Fuel type
Plug-in hybrid (petrol)
Body type
Hatchback
Engine
1.4 L
Gearbox
Automatic
Power
242 bhp
Seats
5
CO2
30 g/km
Colour
Grey
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

This 2021 Audi A3 S Line Competition is advertised with 75,605 miles, approximately 32,200 above the typical mileage for its age. The AskCar estimate for this car is £15,539. It is priced at £15,570, which is £31 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. We have tracked this advert today. The latest recorded MOT expiry date is 26 July 2026, which has passed. Confirm its status with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Evans Halshaw BYD Rotherham, based in Rotherham.

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£15,570

Price and mileage comparison

Fair price: £31 (under 1%) over the AskCar estimate of £15,539.

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 32,200 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: the latest record we hold ran out on 26 July 2026; ask the dealer for the current MOT. 62,540 miles at the last test.

Other matching cars

7 other 2021 Audi A3 S Line Competition automatic plug-in hybrids (petrol) are for sale at UK dealers from £13,000 to £21,450, as of 31 October 2026.

The 5 cheapest:

The 7 matching cars have covered 10,000 to 113,000 miles, compared with 75,605 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

23 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 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.