2023 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 40,168 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 40,168 miles, this 2023 Audi Q3 S Line has covered about 12,800 more miles than other 2023 Audi Q3 cars. Its asking price of £23,600 is £1,927 below the AskCar estimate of £25,527. The AskCar estimate uses UK dealer asking prices, including 3,432 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 63 days ago, and its asking price has since fallen by £1,850. Its advertised mileage matches the government's MOT record. It is for sale at Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,927 (7%) under the AskCar estimate of £25,527.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 3,432 priced Audi Q3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi Q3 with the 2.0 diesel engine is typically advertised at £28,700: the median of the 86 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi Q3 has been on sale for at least 63 days.

Price history

AskCar first saw this advert on 31 August 2026 at £25,450. Its asking price is now £23,600, £1,850 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 31 August 2026: £25,450
• 15 September 2026: £25,250
• 22 September 2026: £25,000
• 28 September 2026: £24,800
• 4 October 2026: £24,550
• 9 October 2026: £24,250
• 16 October 2026: £23,950
• 21 October 2026: £23,650
• 28 October 2026: £23,600

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 2 March 2027.

It failed its MOT on 24 February 2026 (nearside front tyre has ply or cords exposed; offside front tyre has ply or cords exposed) and passed 2 days later, on 26 February 2026.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; front brake disc worn, but not excessively; rear brake disc worn, pitted or scored, but not seriously weakened; and 1 more.

Mileage at that test: 35,620 miles, which matches the advertised 40,168 miles.

Advertised mileage is about 12,800 miles higher than the median mileage of a 2023 Audi Q3 on AskCar.

Similar cars

15 other 2023 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £19,450 to £30,971, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 37,555 miles. Price: £23,450, £150 less than this car. Dealer: Swansway Garages Blackburn Audi in Blackburn. AskCar page: https://askcar.co.uk/car/audi-q3-2023-ccfb23eff090
• 2023 Audi Q3 S Line, 2.0 diesel SUV, blue. Mileage: 35,634 miles. Price: £27,650, £4,050 more than this car. Dealer: Sinclair Audi Approved Neyland in Neyland. AskCar page: https://askcar.co.uk/car/audi-q3-2023-f15ead3c5225
• 2023 Audi Q3 S Line, 2.0 diesel SUV, blue. Mileage: 34,900 miles. Price: £21,470, £2,130 less than this car. Dealer: Evans Halshaw Renault Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/audi-q3-2023-68a0f653fd84

• The nearest: 2023 Audi Q3 S Line, 2.0 diesel SUV, blue, 32 miles from this car. Mileage: 80,000 miles. Price: £19,450, £4,150 less than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-q3-2023-5bd2db044599