2021 MG MG3
1.5 VTi Tech Excite Manual FWD Euro 6 (s/s) 5dr (105 bhp)
£8,990
Fair price: within 8% of the typical £9,313 for this model, age and mileage, drawing on 1,745 adverts of this make and model.
Overview
- Make
- MG
- Model
- MG3
- Trim
- EXCITE
- Version
- 1.5 VTi Tech Excite Manual FWD Euro 6 (s/s) 5dr (105 bhp)
- Mileage
- 4,000 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
- Yellow
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- VTi-TECH
- Emissions standard
- Euro 6
About this car
This 2021 MG MG3 Excite has covered 4,000 miles, around 26,700 fewer than typical for its age. Our estimated market asking price is £9,313. This car is advertised at £8,990, which is £323 below that figure. The estimate uses 1,745 UK dealer adverts for the MG MG3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 78 days ago. Its asking price has since fallen by £500. That may be worth mentioning if you discuss the price with the dealer. Its MOT is recorded as valid until 19 March 2027. You can find this car at Mawsley Motor Company in Northampton.
Stock data from 20 October 2026.
Price history
First seen on 4 August 2026, 78 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £500 from the first recorded £9,490. 2 price reductions recorded, the latest observed on 3 September 2026.
| Date observed | Asking price |
|---|---|
| 4 August 2026 | £9,490 |
| 5 August 2026 | £9,490 |
| 22 August 2026 | £9,349 |
| 3 September 2026 | £8,990 |
| 20 October 2026 | £8,990 |
Price and mileage comparison
Estimated market asking price: £9,313. The asking price is £323 below 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 26,700 miles lower than typical for a 2021 MG MG3.
MOT
MOT valid until 19 March 2027.
6 other cars with the same year, trim, gearbox and fuel are for sale from £6,695 to £8,150.
| Asking price | Mileage |
|---|---|
| £6,695 | 67,865 miles |
| £6,973 | 54,614 miles |
| £6,995 | 72,943 miles |
| £7,000 | 25,127 miles |
| £7,990 | 26,000 miles |
These cars have covered 25,127–72,943 miles, compared with 4,000 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 · 2021 MG MG3 price guide
Dealer
Mawsley Motor Company, Northampton. Across the dealer network: 155 cars for sale.
Dealer postcode: NN6 0BE.
Dealer opening hours
- Monday
- 09:00-17:00
- Tuesday
- 09:00-17:00
- Wednesday
- 09:00-17:00
- Thursday
- 09:00-17:00
- Friday
- 09:00-17:00
- Saturday
- 09:00-17:00
- Sunday
- 10:00-14:00
Vehicle photos
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