2023 Kia Stonic 1.0 GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line Manual FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 6,396 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line is advertised with 6,396 miles, approximately 12,800 below the typical mileage for its age. The AskCar estimate for this car is £15,391. It is priced at £14,776, which is £615 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. The asking price is now £409 lower than when we first recorded the advert 62 days ago. Its advertised mileage matches the government's MOT record. The seller is TMS Kia Leicester, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £615 (3%) under the AskCar estimate of £15,391.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 62 days.

Price history

AskCar first saw this advert on 3 September 2026 at £15,185. Its asking price is now £14,776, £409 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 3 September 2026: £15,185
• 11 September 2026: £15,156
• 18 September 2026: £15,091
• 22 September 2026: £14,877
• 6 October 2026: £15,018
• 14 October 2026: £14,990
• 28 October 2026: £14,776

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 June 2027.

It has had one MOT, on 3 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 5,744 miles, which matches the advertised 6,396 miles.

Advertised mileage is about 12,800 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

39 other 2023 Kia Stonic GT Line 1.0 petrol manual SUVs are for sale at UK dealers, from £10,710 to £15,665, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 6,000 miles. Price: £14,200, £576 less than this car. Dealer: Trust Ford Belfast - Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8905e7302d8a
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, yellow. Mileage: 7,234 miles. Price: £15,000, £224 more than this car. Dealer: Turners Of Roborough in Plymouth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-dae026b33e4a
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 7,555 miles. Price: £15,665, £889 more than this car. Dealer: WJ King KIA in Sidcup. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1121d4bbc074

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, red, 16 miles from this car. Mileage: 26,008 miles. Price: £12,999, £1,777 less than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-26ed3d4a2caa