2021 Audi A3

1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)

£18,840

Fair price: within 8% of the typical £19,114 for this model, age and mileage, drawing on 6,484 adverts of this make and model.

Overview

Make
Audi
Model
A3
Trim
S LINE
Version
1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
Mileage
19,322 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
Hatchback
Engine
1.0 L
Gearbox
Automatic
Power
108 bhp
Seats
5
CO2
124 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 19,322 miles on the clock, this 2021 Audi A3 S Line has done roughly 23,500 fewer miles than a typical 2021 Audi A3. Its asking price of £18,840 is £274 below our estimate of £19,114. Our estimate draws on 6,484 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 26 days ago. Its asking price has since fallen by £370. MOT records show an expiry date of 17 June 2027, and the latest recorded mileage is consistent with the advert. You can find this car at Big Motoring World Sheffield in Rotherham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 24 September 2026, 26 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £370 from the first recorded £19,210. 10 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
24 September 2026£19,210
25 September 2026£19,200
26 September 2026£19,220
27 September 2026£19,210
29 September 2026£19,220
30 September 2026£19,250
1 October 2026£19,220
6 October 2026£19,200
8 October 2026£19,080
9 October 2026£19,060
10 October 2026£19,050
13 October 2026£19,040
14 October 2026£19,030
17 October 2026£18,840
19 October 2026£18,840

Price and mileage comparison

Estimated market asking price: £19,114. The asking price is £274 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 6,484 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 23,500 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 17 June 2027. 18,435 miles at the last test.

97 other cars with the same year, trim, gearbox and fuel are for sale from £11,995 to £21,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£11,995120,530 miles
£12,490111,668 miles
£12,99957,000 miles
£13,490108,000 miles
£13,70096,353 miles

These cars have covered 12,650–120,530 miles, compared with 19,322 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

Big Motoring World Sheffield, Rotherham. Across the dealer network: 12 branches, 8,652 cars for sale.

Dealer postcode: S60 5BD.

Dealer opening hours

Monday
10:00-20:00
Tuesday
10:00-20:00
Wednesday
10:00-20:00
Thursday
10:00-20:00
Friday
10:00-20:00
Saturday
08:30-18:00
Sunday
09:30-17:00

Vehicle photos