2025 Kia Stonic

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

£16,998

Fair price: within 8% of the typical £16,170 for this model, age and mileage, drawing on 1,689 adverts of this make and model.

Overview

Make: Kia
Model: Stonic
Trim: GT LINE
Version: 1.0 T-GDi GT Line Manual FWD Euro 6 (s/s) 5dr (98 bhp)
Mileage: 9,436 miles
Year: 2025
Fuel type: Petrol
Body type: SUV
Engine: 1.0 L
Gearbox: Manual
Power: 98 bhp
Seats: 5
CO2: 132 g/km
Colour: Red
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: T-GDi
Emissions standard: Euro 6

About this car

At 9,436 miles, this 2025 Kia Stonic GT Line has covered about 2,300 more miles than other 2025 Kia Stonic cars. The dealer is asking £16,998, which is £828 above our market estimate of £16,170. We use UK dealer asking prices, including 1,689 Kia Stonic listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 33 days ago, the asking price has dropped by £3,601. The seller is Citygate Kia Slough, based in Slough.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 18 September 2026, 33 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £3,601 from the first recorded £20,599. 2 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observed	Asking price
18 September 2026	£20,599
30 September 2026	£17,299
16 October 2026	£16,998
20 October 2026	£16,998

Price and mileage comparison

Estimated market asking price: £16,170. The asking price is £828 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 2,300 miles higher than typical for a 2025 Kia Stonic.

MOT

MOT no details held by dvla.

14 other cars with the same year, trim, gearbox and fuel are for sale from £14,895 to £17,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,895	14,662 miles
£15,599	6,227 miles
£15,880	2,526 miles
£15,999	4,701 miles
£16,290	9,648 miles

These cars have covered 1,944–14,662 miles, compared with 9,436 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

Similar cars for less

Dealer

Citygate Kia Slough, Slough. Across the dealer network: 15 branches, 901 cars for sale.

Dealer postcode: SL2 5EF.

Dealer opening hours

Monday: 09:00-18:00
Tuesday: 09:00-18:00
Wednesday: 09:00-18:00
Thursday: 09:00-18:00
Friday: 09:00-18:00
Saturday: 09:00-17:00
Sunday: 10:00-16:00