2018 MG MG3 1.5 VTi-TECH 3FORM Sport

Price: £3,494. Good value: £431 (10%) under the AskCar estimate of £3,925, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,733 priced MG MG3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,784 used MG MG3 from 655 UK dealerships, as of 2 November 2026.

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: 68,048 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 104 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MG MG3 3Form Sport has covered 68,048 miles, around 22,800 more miles than is typical for its age. Priced at £3,494, it is advertised £431 below the AskCar estimate of £3,925. The AskCar estimate uses 1,733 UK dealer adverts for the MG MG3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 122 days ago. The government's MOT record matches its advertised mileage. You can find this car at Motor Buying Group in Fareham. 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

Good value: £431 (10%) under the AskCar estimate of £3,925.

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 122 days.

Price history

AskCar first saw this advert on 3 July 2026 at £3,494. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 April 2027.

It has had 7 MOTs. The latest, on 23 April 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 66,352 miles, which matches the advertised 68,048 miles.

Advertised mileage is about 22,800 miles higher 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 £5,500, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, red. Mileage: 73,000 miles. Price: £3,499, the same price as this car. Dealer: Bywater Car Centre in Castleford. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-ec96a0a532a1
  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, yellow. Mileage: 82,700 miles. Price: £3,250, £244 less than this car. Dealer: NU2U Cars in Stowmarket. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-b3050c10c197
  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, red. Mileage: 50,425 miles. Price: £3,793, £299 more than this car. Dealer: Novara in Glossop. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-2c9e9af2cb86
  • The nearest: 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, yellow, 100 miles from this car. Mileage: 40,646 miles. Price: £5,500, £2,006 more than this car. Dealer: The Car Centre Treforest in Pontypridd. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-d2d59b1888df

Browse all MG MG3 cars for sale · 2018 MG MG3 price guide

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Photos

21 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.