2018 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

1.5 TFSI CoD S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

Mileage

55,400 miles

Year

2018

Fuel type

Petrol

Body type

Saloon

Engine

1.5 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

113 g/km

Colour

Grey

Doors

4

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TFSI; CoD

Emissions standard

Euro 6

About this car

This 2018 Audi A3 S Line has covered 55,400 miles, around 10,100 fewer than typical for its age. The dealer is asking £13,695, which is £315 above our market estimate of £13,380. Our estimate draws on 6,532 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 30 days ago. Our latest MOT record expired on 22 September 2026. Check the current position with the dealer. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is Motor Services Of Chepstow, based in Chepstow.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £13,380. The asking price is £315 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 10,100 miles lower than typical for a 2018 Audi A3.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.