2018 MG MG3

1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)

£5,450

Above the going rate: £767 over the typical £4,683 for this model, age and mileage, drawing on 1,745 adverts of this make and model.

Overview

Make: MG
Model: MG3
Trim: 3FORM SPORT
Version: 1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)
Mileage: 42,000 miles
Year: 2018
Fuel type: Petrol
Body type: Hatchback
Engine: 1.5 L
Gearbox: Manual
Power: 104 bhp
Seats: 5
CO2: 124 g/km
Colour: White
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: VTi-TECH
Emissions standard: Euro 6

About this car

This 2018 MG MG3 3Form Sport has covered 42,000 miles. At £5,450, it is advertised £767 above our estimated market asking price of £4,683. The estimate uses 1,745 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 3 days ago. The seller is PL Motors, based in Newtownabbey.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 18 October 2026, 3 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
18 October 2026	£5,450
20 October 2026	£5,450

Price and mileage comparison

Estimated market asking price: £4,683. The asking price is £767 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,745 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,000 miles lower than typical for a 2018 MG MG3.

10 other cars with the same year, trim, gearbox and fuel are for sale from £3,494 to £5,590.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£3,494	68,048 miles
£3,500	82,700 miles
£3,795	71,398 miles
£3,993	50,425 miles
£4,299	47,038 miles

These cars have covered 19,167–82,700 miles, compared with 42,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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Dealer

PL Motors, Newtownabbey. Across the dealer network: 18 cars for sale.

Dealer postcode: BT36 4FS.