2023 Kia Stonic 1.0 GT Line S

Version: 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr

Price: £16,415. Fair price: £300 (1%) over the AskCar estimate of £16,115, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,685 priced Kia Stonic adverts on AskCar as of 1 November 2026.

AskCar lists 1,704 used Kia Stonic from 786 UK dealerships, as of 1 November 2026.

Overview

Make
Kia
Model
Stonic
Trim
GT Line S
Version
1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
Mileage
20,952 miles
Year
2023
Fuel type
Petrol
Body type
SUV
Engine
1.0 L
Gearbox
Automatic
Seats
5
CO2
129 g/km
Colour
Blue
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
DCT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2023 Kia Stonic GT Line S is advertised with 20,952 miles, approximately 2,100 above the typical mileage for its age. Its asking price of £16,415 is £300 above the AskCar estimate of £16,115. The AskCar estimate uses UK dealer asking prices, including 1,685 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 8 days. Its recorded MOT is valid until 16 July 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Birchwood Kia Washington in Pulborough.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 24 October 2026, 8 days ago.

Recorded asking prices
Date observedAsking price
24 October 2026£16,415
1 November 2026£16,415

Price and mileage comparison

Fair price: £300 (1%) over the AskCar estimate of £16,115.

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 1,685 priced Kia Stonic adverts across different ages and specifications, as of 1 November 2026.

Advertised mileage is about 2,100 miles higher 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 16 July 2027. 19,740 miles at the last test.

Other matching cars

173 other 2023 Kia Stonic GT Line S automatic petrol cars are for sale at UK dealers from £11,395 to £17,998, as of 1 November 2026.

The 5 cheapest:

The 173 matching cars have covered 2,658 to 69,255 miles, compared with 20,952 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

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Photos

29 photos of this car are on its AskCar page.

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

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.