2021 Audi Q3

1.5 TFSI S Line Manual FWD Euro 6 5dr 35 (147 bhp)

£18,499

Fair price: within 8% of the typical £19,237 for this model, age and mileage, drawing on 3,457 adverts of this make and model.

Overview

Make: Audi
Model: Q3
Trim: S LINE
Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr 35 (147 bhp)
Mileage: 39,967 miles
Year: 2021
Fuel type: Petrol
Engine: 1.5 L
Gearbox: Manual
Power: 147 bhp
Seats: 5
CO2: 152 g/km
Colour: Grey
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: TFSI
Emissions standard: Euro 6

About this car

The advertised mileage for this 2021 Audi Q3 S Line is 39,967 miles. Our estimated market asking price is £19,237. This car is advertised at £18,499, which is £738 below that figure. We use UK dealer asking prices, including 3,457 Audi Q3 listings, and account for the car’s age, mileage and specification. The asking price is now £800 lower than when we first recorded the advert 72 days ago. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 18 May 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Available Car Supermarket - Castle Donington in Castle Donnington.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 10 August 2026, 72 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £800 from the first recorded £19,299. 2 price reductions recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observed	Asking price
10 August 2026	£19,299
11 August 2026	£19,299
27 August 2026	£18,999
14 October 2026	£18,499
20 October 2026	£18,499

Price and mileage comparison

Estimated market asking price: £19,237. The asking price is £738 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 3,457 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,000 miles lower than typical for a 2021 Audi Q3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 May 2027. 38,699 miles at the last test.

30 other cars with the same year, trim, gearbox and fuel are for sale from £11,550 to £22,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,550	101,466 miles
£13,440	99,000 miles
£14,200	81,642 miles
£15,500	80,530 miles
£16,000	73,600 miles

These cars have covered 11,939–101,466 miles, compared with 39,967 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 Q3 cars for sale · 2021 Audi Q3 price guide

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Dealer

Available Car Supermarket - Castle Donington, Castle Donnington. Across the dealer network: 2 branches, 2,547 cars for sale.

Dealer postcode: DE74 2NL.

Dealer opening hours

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