2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line S
• Version: 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2023
• Mileage: 40,583 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 40,583 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 21,600 more miles than a typical 2023 Kia Stonic. Its asking price of £14,290 is £203 below the AskCar estimate of £14,493. The AskCar estimate uses 1,701 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 42 days ago, the asking price has dropped by £1,700. The seller is Saltmarine Cars, based in Dungannon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £203 (1%) under the AskCar estimate of £14,493.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 575 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 24 September 2026 at £15,990. Its asking price is now £14,290, £1,700 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 24 September 2026: £15,990
• 4 November 2026: £14,290

Mileage and MOT

Advertised mileage is about 21,600 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

176 other 2023 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £11,395 to £17,998, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 40,365 miles. Price: £13,930, £360 less than this car. Dealer: Evans Halshaw MG York in York. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8f4131a8e1c9
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 40,810 miles. Price: £14,799, £509 more than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-38901d8e4f99
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 41,051 miles. Price: £14,799, £509 more than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-37a3db49d87c

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 22 miles from this car. Mileage: 7,238 miles. Price: £16,495, £2,205 more than this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f61e51ccd444