2023 Kia Stonic 1.0 T-GDi Quantum

Overview

• Make: Kia
• Model: Stonic
• Trim: Quantum
• Version: 1.0 T-GDi 99 Quantum Manual FWD Euro 6 5dr (99 bhp)
• Year: 2023
• Mileage: 10,957 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 99 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic Quantum is advertised with 10,957 miles, approximately 8,200 below the typical mileage for its age. Its asking price of £14,031 is £48 below the AskCar estimate of £14,079. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 46 days ago. Its asking price has since fallen by £772. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Wessex Garages Wessex Kia Cardiff Penarth Road, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £48 (under 1%) under the AskCar estimate of £14,079.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 19 September 2026 at £14,803. Its asking price is now £14,031, £772 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 19 September 2026: £14,803
• 27 September 2026: £14,661
• 6 October 2026: £14,401
• 16 October 2026: £14,151
• 24 October 2026: £14,035
• 1 November 2026: £14,031

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 30 April 2027.

It has had one MOT, on 1 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 10,616 miles, which matches the advertised 10,957 miles.

Advertised mileage is about 8,200 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

14 other 2023 Kia Stonic Quantum 1.0 petrol manual SUVs are for sale at UK dealers, from £11,490 to £15,000, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic Quantum, 1.0 petrol SUV, grey. Mileage: 14,497 miles. Price: £13,350, £681 less than this car. Dealer: CarTime Nelson/Burnley in Nelson. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-72ab6f442ba0
• 2023 Kia Stonic Quantum, 1.0 petrol SUV, grey. Mileage: 16,033 miles. Price: £13,249, £782 less than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ddaeff3fe4b4
• 2023 Kia Stonic Quantum, 1.0 petrol SUV, grey. Mileage: 17,450 miles. Price: £14,498, £467 more than this car. Dealer: Arnold Clark Blackpool Vauxhall / Jeep / Vanstore in Blackpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-23faf732da9c

• The nearest: 2023 Kia Stonic Quantum, 1.0 petrol SUV, grey, 25 miles from this car. Mileage: 30,730 miles. Price: £14,495, £464 more than this car. Dealer: Gravells Abergavenny in Abergavenny. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-dc4512856f31