2025 MG MG3 1.5 SE

Overview

• Make: MG
• Model: MG3
• Trim: SE
• Version: 1.5 SE Manual FWD Euro 6 (s/s) 5dr (113 bhp)
• Year: 2025
• Mileage: 4,126 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 113 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 MG MG3 SE is advertised with 4,126 miles, approximately 2,900 below the typical mileage for its age. The dealer is asking £12,690, which is £770 below the AskCar estimate of £13,460. To work out the AskCar estimate, we analyse UK dealer adverts for 1,789 MG MG3 cars across different ages and specifications. Since we first spotted the advert 153 days ago, the asking price has dropped by £806. The seller is RRG MG Stockport, based in Stockport. 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: £770 (5%) under the AskCar estimate of £13,460.

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 1,789 priced MG MG3 adverts across different ages and specifications, as of 4 November 2026.

A 2025 MG MG3 with the 1.5 petrol engine is typically advertised at £15,000: the median of the 314 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2025 MG MG3 has been on sale for at least 153 days.

Price history

AskCar first saw this advert on 4 June 2026 at £13,496. Its asking price is now £12,690, £806 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 4 June 2026: £13,496
• 4 July 2026: £13,269
• 26 July 2026: £12,998
• 18 August 2026: £12,999
• 7 September 2026: £12,897
• 26 September 2026: £12,692
• 15 October 2026: £12,298
• 24 October 2026: £12,749
• 29 October 2026: £12,690

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,900 miles lower than the median mileage of a 2025 MG MG3 on AskCar.

Similar cars

55 other 2025 MG MG3 SE 1.5 petrol manual hatchbacks are for sale at UK dealers, from £12,480 to £16,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2025 MG MG3 SE, 1.5 petrol hatchback, white. Mileage: 4,175 miles. Price: £12,995, £305 more than this car. Dealer: Nathaniel Cars in Lincoln. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-57240465dd94
• 2025 MG MG3 SE, 1.5 petrol hatchback, grey. Mileage: 4,000 miles. Price: £12,999, £309 more than this car. Dealer: Birchwood MG Eastbourne in Eastbourne. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-f779af1e2b3d
• 2025 MG MG3 SE, 1.5 petrol hatchback, blue. Mileage: 3,946 miles. Price: £12,998, £308 more than this car. Dealer: Arnold Clark Birtley Motorstore / MG / Vanstore in Birtley. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-8d3698d29745

• The nearest: 2025 MG MG3 SE, 1.5 petrol hatchback, red, 27 miles from this car. Mileage: 14,752 miles. Price: £12,695, the same price as this car. Dealer: Holdcroft Motor Group MG Stoke in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-839103344b5a