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: 4,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 113 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 MG MG3 SE is advertised with 4,000 miles, approximately 2,900 below the typical mileage for its age. The AskCar estimate for this car is £13,510. It is priced at £12,999, which is £511 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,733 MG MG3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 59 days ago, and its asking price has since fallen by £1,400. The seller is Birchwood MG Eastbourne, based in Eastbourne. 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: £511 (3%) under the AskCar estimate of £13,510.

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 1,733 priced MG MG3 adverts across different ages and specifications, as of 2 November 2026.

A 2025 MG MG3 with the 1.5 petrol engine is typically advertised at £15,300: the median of the 303 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2025 MG MG3 has been on sale for at least 59 days.

Price history

AskCar first saw this advert on 4 September 2026 at £14,399. Its asking price is now £12,999, £1,400 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 4 September 2026: £14,399
• 18 September 2026: £13,999
• 24 September 2026: £13,750
• 9 October 2026: £13,499
• 11 October 2026: £13,299
• 24 October 2026: £13,199
• 30 October 2026: £12,999

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

52 other 2025 MG MG3 SE 1.5 petrol manual hatchbacks are for sale at UK dealers, from £12,480 to £16,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 MG MG3 SE, 1.5 petrol hatchback, blue. Mileage: 3,946 miles. Price: £12,998, the same price as this car. Dealer: Arnold Clark Birtley Motorstore / MG / Vanstore in Birtley. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-8d3698d29745
• 2025 MG MG3 SE, 1.5 petrol hatchback, blue. Mileage: 3,889 miles. Price: £13,995, £996 more than this car. Dealer: Taylors Select Boston in Boston. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-ac6eb5897334
• 2025 MG MG3 SE, 1.5 petrol hatchback, silver. Mileage: 4,126 miles. Price: £12,690, £309 less than this car. Dealer: RRG MG Stockport in Stockport. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-88584cf94673

• The nearest: 2025 MG MG3 SE, 1.5 petrol hatchback, black, 50 miles from this car. Mileage: 2,800 miles. Price: £13,690, £691 more than this car. Dealer: Richmond Motor Group Guildford Hyundai in Guildford. AskCar page: https://askcar.co.uk/car/mg-mg3-2025-2c8da2b57e25