2023 Audi A3 1.4 TFSIe S Line Competition

Version: 1.4 13kWh TFSIe 45 S Line Competition S tronic FWD Euro 6 (s/s) 5dr Sportback (242 bhp)

Price: £20,610. Fair price: £140 (under 1%) over the AskCar estimate of £20,470, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,475 priced Audi A3 adverts on AskCar as of 30 October 2026.

AskCar lists 6,654 used Audi A3 from 2,240 UK dealerships, as of 30 October 2026.

Overview

Make
Audi
Model
A3
Trim
S Line Competition
Version
1.4 13kWh TFSIe 45 S Line Competition S tronic FWD Euro 6 (s/s) 5dr Sportback (242 bhp)
Mileage
45,276 miles
Year
2023
Fuel type
Plug-in hybrid (petrol)
Body type
Hatchback
Engine
1.4 L
Gearbox
Automatic
Power
242 bhp
Seats
5
CO2
30 g/km
Colour
Blue
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSIe
Hybrid type
Plug-in hybrid
Emissions standard
Euro 6

About this car

With 45,276 miles on the clock, this 2023 Audi A3 S Line Competition has done roughly 18,400 more miles than a typical 2023 Audi A3. The dealer is asking £20,610, which is £140 above the AskCar estimate of £20,470. To work out the AskCar estimate, we analyse UK dealer adverts for 6,475 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. The seller is Big Motoring World Enfield, based in Waltham Cross.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£20,610

Price and mileage comparison

Fair price: £140 (under 1%) over the AskCar estimate of £20,470.

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 6,475 priced Audi A3 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 18,400 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Other matching cars

15 other 2023 Audi A3 S Line Competition automatic plug-in hybrids (petrol) are for sale at UK dealers from £16,985 to £26,971, as of 30 October 2026.

The 5 cheapest:

The 15 matching cars have covered 5,144 to 71,727 miles, compared with 45,276 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A3 cars for sale · 2023 Audi A3 price guide

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Photos

1 photo of this car is on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.