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: 25,178 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Red
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 25,178 miles, this 2023 Kia Stonic GT Line S has covered about 6,100 more miles than other 2023 Kia Stonic cars. Priced at £15,150, it is advertised £295 below the AskCar estimate of £15,445. The AskCar estimate uses 1,673 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 30 days ago, the asking price has dropped by £850. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is D. M. Keith, based in Leeds. 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: £295 (1%) under the AskCar estimate of £15,445.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £16,000. Its asking price is now £15,150, £850 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 3 October 2026: £16,000
• 6 October 2026: £15,700
• 8 October 2026: £15,630
• 9 October 2026: £15,560
• 13 October 2026: £15,490
• 16 October 2026: £15,560
• 21 October 2026: £15,410
• 22 October 2026: £15,370
• 23 October 2026: £15,330
• 26 October 2026: £15,240
• 2 November 2026: £15,150

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 23,072 miles, which matches the advertised 25,178 miles.

Advertised mileage is about 6,100 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, grey. Mileage: 25,263 miles. Price: £14,995, £155 less than this car. Dealer: EMG Kia South Cambridge in Cambridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1c8d72439620
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 25,000 miles. Price: £14,790, £360 less than this car. Dealer: Fish Motors in Bolton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-2e882c64ad76
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 24,858 miles. Price: £14,472, £678 less than this car. Dealer: Birchwood Kia Eastbourne in Eastbourne. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-098ebb5b4251