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
• Year: 2023
• Mileage: 20,851 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 20,851 miles. The AskCar estimate for this car is £15,744. It is priced at £15,995, which is £251 above that estimate. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 19 days ago. Its advertised mileage matches the government's MOT record. The seller is JCB Group Ashford Orbital Kia, based in Ashford. 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: £251 (1%) over the AskCar estimate of £15,744.

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 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £15,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 October 2027.

It has had one MOT, on 7 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 20,795 miles, which matches the advertised 20,851 miles.

Advertised mileage is about 1,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

171 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 20,765 miles. Price: £16,565, £570 more than this car. Dealer: WJ King KIA in Sidcup. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c8a4459d823f
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 21,005 miles. Price: £15,649, £346 less than this car. Dealer: Motorpoint Manchester in Manchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-07ff14030be6
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 21,241 miles. Price: £15,995, the same price as this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9436b182479a

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 4,393 miles. Price: £17,495, £1,500 more than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-08de974495a2