2025 Kia Stonic 1.0 T-GDi GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line DCT FWD Euro 6 (s/s) 5dr (98 bhp)
• Year: 2025
• Mileage: 12,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 12,000 miles on the clock, this 2025 Kia Stonic GT Line has done roughly 4,300 more miles than a typical 2025 Kia Stonic. The AskCar estimate for this car is £17,198. It is priced at £15,990, which is £1,208 below that estimate. The AskCar estimate uses 1,673 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £305. You can find this car at ET motor group in Ongar. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,208 (7%) under the AskCar estimate of £17,198.

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 1,673 priced Kia Stonic adverts across different ages and specifications, as of 2 November 2026.

A 2025 Kia Stonic with the 1.0 petrol engine is typically advertised at £17,000: the median of the 125 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2025 Kia Stonic has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 29 September 2026 at £16,295. Its asking price is now £15,990, £305 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 29 September 2026: £16,295
• 20 October 2026: £15,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,300 miles higher than the median mileage of a 2025 Kia Stonic on AskCar.

Similar cars

26 other 2025 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £15,220 to £24,598, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 11,927 miles. Price: £17,998, £2,008 more than this car. Dealer: Arnold Clark Kilmarnock Peugeot Jeep Leapmotor in Kilmarnock. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-4493fb96a30d
• 2025 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 11,734 miles. Price: £17,695, £1,705 more than this car. Dealer: Grainger Motor Group in Cambridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-47420cbc16b8
• 2025 Kia Stonic GT Line, 1.0 petrol SUV, white. Mileage: 12,514 miles. Price: £16,745, £755 more than this car. Dealer: Bells Kia Bedford in Bedford. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-f6913793033e

• The nearest: 2025 Kia Stonic GT Line, 1.0 petrol SUV, red, 24 miles from this car. Mileage: 3,187 miles. Price: £19,538, £3,548 more than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-f63980515cc5