2017 MG MG3 1.5 VTi-TECH 3FORM Sport
Price: £3,695. Fair price: £115 (3%) under the AskCar estimate of £3,810, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,789 priced MG MG3 adverts on AskCar as of 4 November 2026.
AskCar lists 1,832 used MG MG3 from 663 UK dealerships, as of 4 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: 2017
- Mileage: 63,000 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 104 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 124 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 63,000 miles, this 2017 MG MG3 3Form Sport has covered about 9,200 more miles than other 2017 MG MG3 cars. The dealer is asking £3,695, which is £115 below the AskCar estimate of £3,810. To work out the AskCar estimate, we analyse UK dealer adverts for 1,789 MG MG3 cars across different ages and specifications. We have tracked this advert for 8 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Severnside Car Company in Bridgend. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £115 (3%) under the AskCar estimate of £3,810.
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 2017 MG MG3 with the 1.5 petrol engine is typically advertised at £4,500: the median of the 23 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2017 MG MG3 has been on sale for at least 8 days.
Price history
AskCar first saw this advert on 27 October 2026 at £3,695. 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 4 November 2026: valid until 13 August 2027.
It failed its MOT on 3 August 2026 (front subframe mounting prescribed area excessively corroded significantly reducing structural strength) and passed 11 days later, on 14 August 2026.
Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; rear sub-frame pin or bush worn but not resulting in excessive movement both; offside front coil spring corroded; and 1 more.
Mileage at that test: 60,348 miles, which matches the advertised 63,000 miles.
Advertised mileage is about 9,200 miles higher than the median mileage of a 2017 MG MG3 on AskCar.
Similar cars
2 other 2017 MG MG3 3FORM Sport 1.5 petrol manual hatchbacks are for sale at UK dealers, from £3,379 to £5,495, as of 4 November 2026.
The 2 closest to this car in mileage:
- 2017 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 71,000 miles. Price: £3,379, £316 less than this car. Dealer: Kent Car Centre in Sittingbourne. AskCar page: https://askcar.co.uk/car/mg-mg3-2017-e5f258a51030
- 2017 MG MG3 3FORM Sport, 1.5 petrol hatchback, blue. Mileage: 14,000 miles. Price: £5,495, £1,800 more than this car. Dealer: Acres Car Sales in Bradford. AskCar page: https://askcar.co.uk/car/mg-mg3-2017-945112b63702
Browse all MG MG3 cars for sale · 2017 MG MG3 price guide
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As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.