2021 MG MG3

1.5 VTi Tech Exclusive NAV Manual FWD Euro 6 (s/s) 5dr (105 bhp)

£9,199

Fair price: within 8% of the typical £8,700 for this model, age and mileage, drawing on 1,769 adverts of this make and model.

Overview

Make: MG
Model: MG3
Trim: EXCLUSIVE NAV
Version: 1.5 VTi Tech Exclusive NAV Manual FWD Euro 6 (s/s) 5dr (105 bhp)
Mileage: 17,315 miles
Year: 2021
Fuel type: Petrol
Body type: Hatchback
Engine: 1.5 L
Gearbox: Manual
Power: 105 bhp
Seats: 5
CO2: 147 g/km
Colour: Silver
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: VTi-TECH
Emissions standard: Euro 6

About this car

This 2021 MG MG3 Exclusive Nav is advertised with 17,315 miles, approximately 13,000 below the typical mileage for its age. Its asking price of £9,199 is £499 above our estimate of £8,700. We use UK dealer asking prices, including 1,769 MG MG3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 48 days ago, the asking price has dropped by £495. Its MOT is recorded as valid until 23 August 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at cinch Corby in North Northamptonshire.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 September 2026, 48 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £495 from the first recorded £9,694. 1 price reduction recorded, the latest observed on 29 September 2026.

Recorded asking prices
Date observed	Asking price
2 September 2026	£9,694
11 September 2026	£9,699
29 September 2026	£9,199
19 October 2026	£9,199

Price and mileage comparison

Estimated market asking price: £8,700. The asking price is £499 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 1,769 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 13,000 miles lower than typical for a 2021 MG MG3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 August 2027. 17,317 miles at the last test.

30 other cars with the same year, trim, gearbox and fuel are for sale from £5,395 to £9,799.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£5,395	116,900 miles
£6,490	65,097 miles
£6,850	73,000 miles
£7,000	41,227 miles
£7,489	28,902 miles

These cars have covered 4,500–116,900 miles, compared with 17,315 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 · 2021 MG MG3 price guide

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Dealer

cinch Corby, North Northamptonshire. Across the dealer network: 134 branches, 10,704 cars for sale.

Dealer postcode: NN18 8AA.

Dealer opening hours

Monday: 00:00-24:00
Tuesday: 00:00-24:00
Wednesday: 00:00-24:00
Thursday: 00:00-24:00
Friday: 00:00-24:00
Saturday: 00:00-24:00
Sunday: 00:00-24:00