2018 MG MG3 1.5 VTi-TECH 3FORM Sport
Price: £3,793. Good value: £616 (13%) under the AskCar estimate of £4,409, 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: 50,425 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 104 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Red
- CO2: 124 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 50,425 miles, this 2018 MG MG3 3Form Sport has covered about 5,200 more miles than other 2018 MG MG3 cars. Priced at £3,793, it is advertised £616 below the AskCar estimate of £4,409. 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 saw this car advertised 17 days ago. Its asking price has since fallen by £200. The seller is Novara, based in Glossop. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £616 (13%) under the AskCar estimate of £4,409.
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 17 days.
Price history
AskCar first saw this advert on 16 October 2026 at £3,993. Its asking price is now £3,793, £200 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 16 October 2026: £3,993
- 31 October 2026: £3,893
- 2 November 2026: £3,793
Mileage and MOT
Advertised mileage is about 5,200 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. Mileage: 47,038 miles. Price: £4,299, £506 more than this car. Dealer: Mufassa Motors in Failsworth. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-66b2bd7d3a5c
- 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 45,841 miles. Price: £4,750, £957 more than this car. Dealer: Nigel Geoffrey in Chesterfield. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-87e0aa926089
- 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 43,948 miles. Price: £4,490, £697 more than this car. Dealer: 4Kay Motors in Heywood. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-6048f2c649a4
Browse all MG MG3 cars for sale · 2018 MG MG3 price guide
More like this
- Used MG MG3 3FORM Sport prices
- Used MG MG3 for sale under £5,000
- Used manual MG MG3 for sale
- Used petrol MG MG3 for sale
Photos
48 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.