2021 Audi A3

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

£16,900

Fair price: within 8% of the typical £16,302 for this model, age and mileage, drawing on 6,532 adverts of this make and model.

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: 51,374 miles
Year: 2021
Fuel type: Petrol Plug-in Hybrid
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
Emissions standard: Euro 6

About this car

This 2021 Audi A3 S Line has covered 51,374 miles, around 8,400 more than typical for its age. Its asking price of £16,900 is £598 above our estimate of £16,302. To estimate its market asking price, we analyse UK dealer adverts for 6,532 Audi A3 cars across different ages and specifications. We first recorded this car for sale 6 days ago. Its MOT is recorded as valid until 3 June 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Yeovil Audi in Poole.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 October 2026, 6 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
15 October 2026	£16,900
20 October 2026	£16,900

Price and mileage comparison

Estimated market asking price: £16,302. The asking price is £598 above 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 8,400 miles higher than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 3 June 2027. 46,951 miles at the last test.

36 other cars with the same year, trim, gearbox and fuel are for sale from £11,700 to £20,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,700	111,314 miles
£11,751	99,572 miles
£12,199	110,158 miles
£12,449	77,000 miles
£12,700	91,000 miles

These cars have covered 18,021–111,314 miles, compared with 51,374 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

Yeovil Audi, Poole. Across the dealer network: 2 branches, 264 cars for sale.

Dealer postcode: BH12 4QN.

Dealer opening hours

Monday: 08:30-18:30
Tuesday: 08:30-18:30
Wednesday: 08:30-18:30
Thursday: 08:30-18:30
Friday: 08:30-18:30
Saturday: 08:30-17:00
Sunday: 10:00-16:00