2023 Kia Stonic 1.0 T-GDi GT Line

Version: 1.0 T-GDi 99 GT Line DCT FWD Euro 6 5dr (99 bhp)

Price: £15,545. Fair price: £629 (3%) under the AskCar estimate of £16,174, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,692 priced Kia Stonic adverts on AskCar as of 29 October 2026.

AskCar lists 1,716 used Kia Stonic from 793 UK dealerships, as of 29 October 2026.

Overview

Make
Kia
Model
Stonic
Trim
GT Line
Version
1.0 T-GDi 99 GT Line DCT FWD Euro 6 5dr (99 bhp)
Mileage
8,041 miles
Year
2023
Fuel type
Petrol
Body type
SUV
Engine
1.0 L
Gearbox
Automatic
Power
99 bhp
Seats
5
CO2
135 g/km
Colour
Black
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
DCT
Engine badge
T-GDi
Emissions standard
Euro 6

About this car

At 8,041 miles, this 2023 Kia Stonic GT Line has covered about 11,100 fewer miles than other 2023 Kia Stonic cars. Priced at £15,545, it is advertised £629 below the AskCar estimate of £16,174. To work out the AskCar estimate, we analyse UK dealer adverts for 1,692 Kia Stonic cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 29 September 2027, and the latest recorded mileage is consistent with the advert. The seller is SERE Motors Belfast, based in Belfast.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£15,545

Price and mileage comparison

Fair price: £629 (3%) under the AskCar estimate of £16,174.

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 1,692 priced Kia Stonic adverts across different ages and specifications, as of 29 October 2026.

Advertised mileage is about 11,100 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 29 September 2027. 7,588 miles at the last test.

Other matching cars

60 other 2023 Kia Stonic GT Line automatic petrol cars are for sale at UK dealers from £10,809 to £17,495, as of 29 October 2026.

The 5 cheapest:

The 60 matching cars have covered 1,530 to 74,000 miles, compared with 8,041 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 Kia Stonic cars for sale · 2023 Kia Stonic price guide

More like this

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

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.