2020 Audi Q3

2.0 TDI S Line S tronic Euro 6 5dr

£18,995

Fair price: within 8% of the typical £19,691 for this model, age and mileage, drawing on 3,443 adverts of this make and model.

Overview

Make: Audi
Model: Q3
Trim: S LINE
Version: 2.0 TDI S Line S tronic Euro 6 5dr
Mileage: 55,000 miles
Year: 2020
Fuel type: Diesel
Body type: SUV
Engine: 2.0 L
Gearbox: Automatic
Seats: 5
Colour: Black
Doors: 5
Gearbox version: S tronic
Engine badge: TDI
Emissions standard: Euro 6

About this car

This 2020 Audi Q3 S Line is advertised with 55,000 miles, approximately 5,300 above the typical mileage for its age. Its asking price of £18,995 is £696 below our estimate of £19,691. To estimate its market asking price, we analyse UK dealer adverts for 3,443 Audi Q3 cars across different ages and specifications. We first saw this car advertised 51 days ago. Its asking price has since fallen by £500. It is advertised by Andreas Prestige in Slough.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 August 2026, 51 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £500 from the first recorded £19,495. 1 price reduction recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observed	Asking price
30 August 2026	£19,495
9 October 2026	£18,995
19 October 2026	£18,995

Price and mileage comparison

Estimated market asking price: £19,691. The asking price is £696 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 3,443 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,300 miles higher than typical for a 2020 Audi Q3.

39 other cars with the same year, trim, gearbox and fuel are for sale from £13,499 to £24,495.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£13,499	112,600 miles
£15,290	82,699 miles
£16,300	79,500 miles
£16,495	77,390 miles
£16,499	76,317 miles

These cars have covered 21,000–112,600 miles, compared with 55,000 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 · 2020 Audi Q3 price guide

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Dealer

Andreas Prestige, Slough. Across the dealer network: 32 cars for sale.

Dealer postcode: SL3 6HD.

Vehicle photos

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