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: 17,845 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: Red
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 17,845 miles on the clock. Priced at £17,500, it is advertised £1,201 above the AskCar estimate of £16,299. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 131 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Newbarn Car Sales in Bognor Regis. 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: £1,201 (7%) over the AskCar estimate of £16,299.

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 131 days.

Price history

AskCar first saw this advert on 24 June 2026 at £17,500. 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 8 April 2027.

It failed its MOT on 27 February 2026 (offside front front fog lamp not working) and passed 41 days later, on 9 April 2026.

There were no advisories at the latest test.

Mileage at that test: 16,927 miles, which matches the advertised 17,845 miles.

Advertised mileage is about 1,300 miles lower 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: 17,675 miles. Price: £16,498, £1,002 less than this car. Dealer: Arnold Clark Livingston Vauxhall in Livingston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-fa21220b96f4
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 18,192 miles. Price: £16,995, £505 less than this car. Dealer: Dover Garage Aldershot in Aldershot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-49533053514b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 18,241 miles. Price: £15,611, £1,889 less than this car. Dealer: Drive Motor Retail drivedirect Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a8285e59486e

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black, 6 miles from this car. Mileage: 9,966 miles. Price: £16,990, £510 less than this car. Dealer: Birchwood Kia Chichester in Chichester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6be206ae027d