2025 Kia Stonic

1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (98 bhp)

£17,995

Fair price: within 8% of the typical £17,386 for this model, age and mileage, drawing on 1,689 adverts of this make and model.

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 (98 bhp)
Mileage: 23,945 miles
Year: 2025
Fuel type: Petrol Hybrid
Body type: SUV
Engine: 1.0 L
Gearbox: Automatic
Power: 98 bhp
Seats: 5
CO2: 129 g/km
Colour: Blue
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Engine badge: T-GDi; MHEV
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

With 23,945 miles on the clock, this 2025 Kia Stonic GT Line S has done roughly 16,800 more miles than a typical 2025 Kia Stonic. Our estimated market asking price is £17,386. This car is advertised at £17,995, which is £609 above that figure. Our estimate draws on 1,689 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 26 days ago. The seller is Gravells Swansea, based in Swansea.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 26 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
25 September 2026	£17,995
20 October 2026	£17,995

Price and mileage comparison

Estimated market asking price: £17,386. The asking price is £609 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,689 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,800 miles higher than typical for a 2025 Kia Stonic.

MOT

MOT no details held by dvla.

35 other cars with the same year, trim, gearbox and fuel are for sale from £13,290 to £23,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£13,290	6,000 miles
£13,950	31,792 miles
£16,297	39,254 miles
£16,720	8,000 miles
£17,129	18,105 miles

These cars have covered 1,049–39,254 miles, compared with 23,945 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Kia Stonic cars for sale · 2025 Kia Stonic price guide

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Dealer

Gravells Swansea, Swansea. Across the dealer network: 5 branches, 559 cars for sale.

Dealer postcode: SA7 9FJ.