2025 Kia Stonic 1.0 T-GDi MHEV GT Line S

Version: 1.0 T-GDi Mhev GT Line S Manual FWD Euro 6 (s/s) 5dr (98 bhp)

Price: £18,495. Fair price: £1,006 (5%) over the AskCar estimate of £17,489, 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 Mhev GT Line S Manual FWD Euro 6 (s/s) 5dr (98 bhp)
Mileage
4,816 miles
Year
2025
Fuel type
Petrol
Body type
SUV
Engine
1.0 L
Gearbox
Manual
Power
98 bhp
Seats
5
CO2
128 g/km
Colour
Black
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
T-GDi; MHEV
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 4,816 miles, this 2025 Kia Stonic GT Line S has covered about 2,500 fewer miles than other 2025 Kia Stonic cars. The dealer is asking £18,495, which is £1,006 above the AskCar estimate of £17,489. To work out the AskCar estimate, we analyse UK dealer adverts for 1,685 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 157 days ago, the asking price has dropped by £2,500. That history is worth bearing in mind when speaking to the dealer. You can find this car at Westdrive Kia in Braintree.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 28 May 2026, 157 days ago. Price reduced by £2,500 from £20,995 since AskCar first saw it. 4 price reductions recorded, the latest seen on 23 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£20,995
6 June 2026£20,695
7 July 2026£20,695
6 August 2026£20,295
7 August 2026£20,295
13 September 2026£18,995
23 October 2026£18,495
1 November 2026£18,495

Price and mileage comparison

Fair price: £1,006 (5%) over the AskCar estimate of £17,489.

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 2,500 miles lower than the median mileage of a 2025 Kia Stonic on AskCar.

MOT

MOT: first test not yet due.

Other matching cars

5 other 2025 Kia Stonic GT Line S manual petrol cars are for sale at UK dealers from £14,000 to £18,495, as of 1 November 2026.

The 5 matching cars have covered 3,700 to 25,000 miles, compared with 4,816 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 · 2025 Kia Stonic price guide

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Photos

23 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.