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: 10,748 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: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 10,748 miles, approximately 8,100 below the typical mileage for its age. The AskCar estimate for this car is £16,815. It is priced at £16,998, which is £183 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,685 Kia Stonic cars across different ages and specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Citygate Kia Watford, based in Watford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Fair price: £183 (1%) over the AskCar estimate of £16,815.

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 1,685 priced Kia Stonic adverts across different ages and specifications, as of 1 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised 1 day ago.

Price history

AskCar first saw this advert on 31 October 2026 at £16,998. 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 1 November 2026: valid until 29 September 2027.

It has had one MOT, on 14 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,321 miles, which matches the advertised 10,748 miles.

Advertised mileage is about 8,100 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

172 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 1 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 10,761 miles. Price: £16,299, £699 less than this car. Dealer: Lookers Kia Chester in Chester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f1523b36abc5
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 10,732 miles. Price: £16,999, the same price as this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a2418a34ef54
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 10,854 miles. Price: £15,430, £1,568 less than this car. Dealer: Evans Halshaw Vauxhall Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3df2ca652650

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 13,185 miles. Price: £16,694, £304 less than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0956354478e3