2021 Audi A3

1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)

£15,940

Fair price: within 8% of the typical £16,580 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
1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Mileage
44,353 miles
Year
2021
Fuel type
Petrol
Body type
Hatchback
Engine
1.5 L
Gearbox
Manual
Power
148 bhp
Seats
5
CO2
136 g/km
Colour
Red
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
TFSI
Emissions standard
Euro 6

About this car

This 2021 Audi A3 S Line has covered 44,353 miles. Our estimated market asking price is £16,580. This car is advertised at £15,940, which is £640 below that figure. The estimate uses 6,484 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 46 days ago, the asking price has dropped by £890. Its recorded MOT is valid until 15 April 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Big Motoring World Norwich, based in Norwich.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 September 2026, 46 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £890 from the first recorded £16,830. 12 price reductions recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observedAsking price
4 September 2026£16,830
5 September 2026£16,820
8 September 2026£16,640
9 September 2026£16,630
10 September 2026£16,610
12 September 2026£16,590
17 September 2026£16,570
20 September 2026£16,560
22 September 2026£16,550
23 September 2026£16,060
26 September 2026£16,050
3 October 2026£16,060
7 October 2026£16,070
10 October 2026£16,010
19 October 2026£15,940

Price and mileage comparison

Estimated market asking price: £16,580. The asking price is £640 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 1,600 miles higher than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 15 April 2027. 41,738 miles at the last test.

52 other cars with the same year, trim, gearbox and fuel are for sale from £12,936 to £20,402.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£12,93683,041 miles
£12,99584,920 miles
£13,99978,694 miles
£14,42752,604 miles
£14,49571,881 miles

These cars have covered 7,591–84,920 miles, compared with 44,353 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 Norwich, Norwich. Across the dealer network: 12 branches, 8,652 cars for sale.

Dealer postcode: NR3 2AW.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
08:30-18:00
Sunday
09:30-17:00

Vehicle photos