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Expert Rating

MG 3

(2014 – present)

Expert Rating

New car score:

45
%
E

Used car score:

58
%
D

Expert Rating report card

Media Rating:

40
%
E

Safety Rating:

27
%
E

Eco Rating:

63
%
B

Reliability Rating:

-

Running Costs:

76
%
A

How are our Expert Rating scores calculated?

Expert Rating

New car score:

45
%
E

Used car score:

58
%
D

Expert Rating report card

Media Rating:

40
%
E

Safety Rating:

27
%
E

Eco Rating:

63
%
B

Reliability Rating:

-

Running Costs:

76
%
A

Summary


The MG 3 (styled as MG3) is a small, supermini-class, five-door hatchback. It was launched in the UK back in 2014, with a major facelift arriving in 2019.

As of January 2024, the MG 3 has a very poor Expert Rating of 45% – making it the lowest-ranked superminis in our Expert Rating Index now that the Mitsubishi Mirage has been discontinued.

There is very little to recommend the MG 3 over any other similarly-priced small cars. It had a sub-par three-star safety rating when it was tested by Euro NCAP seven years ago, and that rating has now expired because the car doesn’t even meet the required standard for a three-star rating anymore.

As a used car, it might be worth looking at if the price was low enough, but the MG 3 doesn’t stack up as a new car. The new Dacia Sandero is both significantly cheaper and significantly better (although it has its own safety concerns), while more expensive rivals are both better and safer.

MG 3 highlights

  • Seven-year new car warranty
  • Attractive low-cost pricing
  • Decent cabin space
  • Appealing exterior update
  • Agile handling

MG 3 lowlights

  • Poor engine quality
  • Cheap interior trim
  • Bumpy ride
  • Very basic safety features
  • Poor fuel economy

Key specifications


Body style: Five-door hatchback
Engine: petrol
Price: From £13,820 on-road

Launched: Spring 2014
Last updated: Spring 2019
Replacement due: TBA


Media reviews


Reviews, road tests and comparisons from across the UK automotive media. Click any of the boxes to view.

Auto Express

+

Auto Trader

+

Autocar

+

Business Car

+

Car

+

Car Keys

+

Carbuyer

+

Carwow

+

Eurekar

+

Evo

+

Heycar

+

Honest John

+

Motors.co.uk

+

Parkers

+

The Sun

+

The Telegraph

+

Top Gear

+

What Car?

+

Safety rating


Independent crash test and safety ratings from Euro NCAP

Overall score: 3 stars
Date tested: June 2014
Date expired: January 2021
Read the full Euro NCAP review

Adult protection: 69%
Child protection: 71%
Vulnerable road users: 59%
Safety assist: 38%

No safety rating

The MG 3 was tested by Euro NCAP back in 2014 and achieved a three-star rating. However, this rating expired in January 2021 and is no longer valid. This is normal practice, as Euro NCAP reviews its ratings on most cars annually with most ratings expiring after about six or seven years. In some cases, Euro NCAP will re-test a model if it’s still on sale, but this hasn’t yet happened with the MG 3.

However, if you are comparing a used MG 3 to vehicles of similar age, whose ratings will have probably also expired, its safety rating score is still useful.

Eco rating


Independent economy and emissions ratings from Green NCAP

No eco rating

As of January 2024, the MG 3 has not been lab tested by Green NCAP.

Reliability rating

MotorEasy logo 600x167

As of January 2024, we don’t have enough reliability data on the MG 3 to generate a reliability rating.

The Car Expert’s reliability information is provided exclusively for us using warranty data from our partner, MotorEasy. As soon as MotorEasy has sufficient data on the MG 3, we’ll publish the score here.

Running cost rating

Clear Vehicle Data logo close crop

Monthly cost of ownership data provided exclusively for The Car Expert by Clear Vehicle Data

Fuel consumptionAverageScoreVariationScore
Petrol models43 mpgC39 – 43 mpgC – D
CO₂ outputAverageScoreVariationScore
Petrol models147 g/kmB147 – 152 g/kmB – B
Insurance groupAverageScoreVariationScore
All models7A7 – 8A – A
Service and maintenanceCostScore
Year 1£144A
Year 2£420A
Year 3£672A
Year 4£843A
Year 5£1,136A
Overall£3,215A

Running cost data provided exclusively to The Car Expert by our data partner Clear Vehicle Data displays that, while the MG 3 is an ageing car that struggles when compared to other budget options like the Dacia Sandero, it is certainly cheap to run and maintain.

Only available with a petrol powertrain, the MG 3 has an average fuel consumption of 43 mpg, which is surpassed by several newer hatchbacks like the Dacia Sandero and Volkswagen Polo by 10 mpg or more. If you decide to opt for this MG however, the service and maintenance costs are quite affordable when compared to the market as a whole, as is the car’s insurance.

Similar cars


If you’re looking at the MG 3, you might also be interested in these alternatives

Citroën C3 | Dacia Sandero | Ford Fiesta | Honda Jazz | Hyundai i20 | Kia Rio | Mazda 2Mini hatch | Mitsubishi MirageNissan Micra | Peugeot 208 | Renault Clio | SEAT Ibiza | Skoda FabiaSuzuki Swift | Toyota Yaris | Vauxhall Corsa | Volkswagen Polo

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There is little to recommend the MG 3 over other small cars. The Dacia Sandero is cheaper and better, while dearer rivals are better and safer.MG 3