2023 Kia Stonic 1.0 T-GDi GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi 99 GT Line DCT FWD Euro 6 5dr (99 bhp)
• Year: 2023
• Mileage: 22,636 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 99 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 22,636 miles on the clock, this 2023 Kia Stonic GT Line has done roughly 3,500 more miles than a typical 2023 Kia Stonic. The dealer is asking £15,699, which is £703 above the AskCar estimate of £14,996. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 109 days ago, the asking price has dropped by £700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is FRF Vauxhall Bridgend, based in Bridgend. 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: £703 (4%) over the AskCar estimate of £14,996.

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 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 558 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 109 days.

Price history

AskCar first saw this advert on 16 July 2026 at £16,399. Its asking price is now £15,699, £700 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 16 July 2026: £16,399
• 16 October 2026: £15,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 July 2027.

It has had one MOT, on 15 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,644 miles, which matches the advertised 22,636 miles.

Advertised mileage is about 3,500 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

60 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,809 to £17,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 22,557 miles. Price: £14,697, £1,002 less than this car. Dealer: Perrys Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6ff7e4eb68ee
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 22,844 miles. Price: £15,000, £699 less than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3eb8444320e1
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 22,369 miles. Price: £16,495, £796 more than this car. Dealer: Waylands Kia Reading in West End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-35028ee35f25

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, grey, 16 miles from this car. Mileage: 6,153 miles. Price: £15,491, £208 less than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c3e7f0784e00