2018 MG MG3 1.5 VTi-TECH 3FORM Sport

Overview

• Make: MG
• Model: MG3
• Trim: 3FORM Sport
• Version: 1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)
• Year: 2018
• Mileage: 40,646 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 104 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MG MG3 3Form Sport is advertised with 40,646 miles, approximately 4,600 below the typical mileage for its age. The AskCar estimate for this car is £4,666. It is priced at £5,500, which is £834 above that estimate. The AskCar estimate draws on 1,733 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 13 days ago. Our latest MOT record expired on 20 July 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is for sale at The Car Centre Treforest in Pontypridd. 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

Above the going rate: £834 (17%) over the AskCar estimate of £4,666.

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 2018 MG MG3 with the 1.5 petrol engine is typically advertised at £6,000: the median of the 38 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 MG MG3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £5,000. Its asking price is now £5,500, £500 more.

Price changes recorded:

• 20 October 2026: £5,000
• 23 October 2026: £5,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 20 July 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 3 July 2025, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge plus perished.

Mileage at that test: 38,133 miles, which matches the advertised 40,646 miles.

Advertised mileage is about 4,600 miles lower than the median mileage of a 2018 MG MG3 on AskCar.

Similar cars

9 other 2018 MG MG3 3FORM Sport 1.5 petrol manual hatchbacks are for sale at UK dealers, from £3,250 to £5,490, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 42,000 miles. Price: £5,450, £50 less than this car. Dealer: PL Motors in Newtownabbey. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-799239128519
• 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 43,948 miles. Price: £4,490, £1,010 less than this car. Dealer: 4Kay Motors in Heywood. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-6048f2c649a4
• 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 45,841 miles. Price: £4,750, £750 less than this car. Dealer: Nigel Geoffrey in Chesterfield. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-87e0aa926089

• The nearest: 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, silver, 100 miles from this car. Mileage: 68,048 miles. Price: £3,494, £2,006 less than this car. Dealer: Motor Buying Group in Whiteley. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-42168e4ea05f