2020 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

Mileage

37,600 miles

Year

2020

Fuel type

Diesel

Body type

Saloon

Engine

2.0 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

124 g/km

Colour

Black

Doors

4

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TDI

Emissions standard

Euro 6

About this car

This 2020 Audi A3 S Line is advertised with 37,600 miles, approximately 8,400 below the typical mileage for its age. The dealer is asking £18,000, which is £245 below our market estimate of £18,245. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. We first recorded this advert 94 days ago, and its asking price has since fallen by £1,250. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 18 December 2026. The advertised mileage is consistent with the latest MOT reading. You can find this car at nucar in Basildon.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,245. The asking price is £245 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 6,484 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 8,400 miles lower than typical for a 2020 Audi A3.

The advertised mileage is consistent with the last MOT reading.