2018 Audi A3

Black Edition Auto FWD Euro 6 3dr (148 bhp)

£21,150

Fair price: within 8% of the typical £19,778 for this model, age and mileage, drawing on 6,484 adverts of this make and model.

Overview

Make: Audi
Model: A3
Trim: BLACK EDITION
Version: Black Edition Auto FWD Euro 6 3dr (148 bhp)
Mileage: 29,599 miles
Year: 2018
Fuel type: Petrol
Body type: Hatchback
Gearbox: Automatic
Power: 148 bhp
Seats: 5
CO2: 112 g/km
Colour: White
Doors: 3
Driven wheels: Front Wheel Drive
Emissions standard: Euro 6

About this car

At 29,599 miles, this 2018 Audi A3 Black Edition has covered about 36,000 fewer miles than other 2018 Audi A3 cars. The dealer is asking £21,150, which is £1,372 above our market estimate of £19,778. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. The asking price is now £800 lower than when we first recorded the advert 53 days ago. You can find this car at Listers Honda Northampton in West Northamptonshire.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 August 2026, 53 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £800 from the first recorded £21,950. 2 price reductions recorded, the latest observed on 18 October 2026.

Recorded asking prices
Date observed	Asking price
28 August 2026	£21,950
9 October 2026	£21,450
18 October 2026	£21,150
19 October 2026	£21,150

Price and mileage comparison

Estimated market asking price: £19,778. The asking price is £1,372 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 6,484 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 36,000 miles lower than typical for a 2018 Audi A3.

40 other cars with the same year, trim, gearbox and fuel are for sale from £10,114 to £25,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£10,114	118,474 miles
£10,990	99,187 miles
£10,995	92,000 miles
£10,995	93,000 miles
£10,999	84,900 miles

These cars have covered 27,355–118,474 miles, compared with 29,599 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 · 2018 Audi A3 price guide

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Dealer

Listers Honda Northampton, West Northamptonshire. Across the dealer network: 36 branches, 3,498 cars for sale.

Dealer postcode: NN3 9HW.