Skip advert
Advertisement
In-depth reviews

MG4 EV - Reliability and safety

A generous seven-year warranty and lots of safety kit are attractive to MG4 buyers, but its Driver Power score disappoints

Reliability and safety rating

3.8

How we review cars
RRP
£26,639 £36,139
Avg. savings
£8,351 off RRP*
Find your MG MG4
Compare deals from trusted partners on this car and previous models.
Or are you looking to sell your car?
Value my car
Fast, no-nonsense car selling
Value my car

Following Euro NCAP’s crash test assessment, the MG4 EV achieved the maximum five-star safety rating. While that is one star ahead of the Renault 5, that rival was tested under the more stringent 2023 testing standard, whereas the MG4 was measured against standards set in 2020, making comparisons difficult. 

Advertisement - Article continues below

All versions of the MG4 feature six airbags, active emergency braking with pedestrian and bicycle detection, lane-keep assist with a departure warning function, adaptive cruise control and a driver attention alert system. Upgrading to the top-spec Trophy Long Range adds blind-spot detection, lane-change assist and rear cross-traffic alert, which warns of vehicles approaching from either side as you’re reversing.

The MG4 is too new to have appeared in our Driver Power owner satisfaction survey, but MG will want to improve on its showing in the manufacturer ratings because the brand finished in last position in a 32-strong list. Renault did slightly better, although it too could improve in this area because its 28th place finish out of 32 is nothing to write home about either.

Key standard safety featuresEuro NCAP safety ratings
  • 5 star (Euro NCAP, 2022)
  • Adult occupant protection - 83%
  • Child occupant protection - 80%
  • Vulnerable road user protection - 75% 
  • Safety assist - 80%

Warranty

MG offers a reassuring seven-year/80,000-mile warranty for all of its models and includes the battery pack (which guarantees repairs or replacement if the capacity drops below 70 per cent during the warranty period), which is almost on par with Kia’s seven-year/100,000-mile policy. This extended coverage might be enough for buyers to consider choosing the MG4 over other brands, particularly when compared with Volkswagen’s three-year/60,000-mile warranty.

Servicing

All versions of MG4 need servicing once a year or every 15,000 miles, whichever comes first. MG Service Plans offer flexible options to help manage scheduled maintenance and also allow you to set your own mileage limits.

Skip advert
Advertisement

Which Is Best

Cheapest

  • Name
    125kW SE [Nav] EV 49kWh 5dr Auto
  • Gearbox type
    Auto
  • RRP
    £26,639
Select car

Most Economical

  • Name
    180kW Trophy EV Extended Range 77kWh 5dr Auto
  • Gearbox type
    Auto
  • RRP
    £36,139
Select car

Fastest

  • Name
    320kW EV XPOWER 64kWh 5dr Auto
  • Gearbox type
    Auto
  • RRP
    £36,139
Select car
Online Reviews Editor

Max looks after the reviews on the Auto Express website. He’s been a motoring journalist since 2017 and has written for Autocar, What Car?, Piston Heads, DrivingElectric, Carbuyer, Electrifying, and Good Motoring Magazine.

New & used car deals

MG MG4

MG MG4

RRP £26,995Avg. savings £8,351 off RRP*Used from £12,250
MG MG5

MG MG5

RRP £27,605Used from £9,900
BYD Dolphin

BYD Dolphin

RRP £26,205Avg. savings £2,135 off RRP*
Renault Megane E-Tech

Renault Megane E-Tech

RRP £34,005Avg. savings £6,142 off RRP*Used from £18,204
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Have you considered?

Volkswagen ID.7 Tourer long-term test: simple tasks turn into a tech nightmare
Volkswagen ID.7 long-term test - front cornering

Volkswagen ID.7 Tourer long-term test: simple tasks turn into a tech nightmare

Long-term tests
14 Apr 2025
Renault Scenic review
Renault Scenic - main image

Renault Scenic review

In-depth reviews
11 Apr 2025
Honda e:Ny1 Advance long-term test: smart charging requires backward thinking
Honda e:Ny1 long termer - front

Honda e:Ny1 Advance long-term test: smart charging requires backward thinking

Long-term tests
8 Apr 2025

Most Popular

Car finance firms losing "hundreds of millions” in EV depreciation want Govt support
Car and money

Car finance firms losing "hundreds of millions” in EV depreciation want Govt support

The BVRLA says the disparity in supply and demand for electric cars is resulting in weaker-than-expected residuals, which is costing firms millions
News
11 Apr 2025
New Aston Martin Vanquish 2025 review: a proper British bruiser
Aston Martin Vanquish - front tracking

New Aston Martin Vanquish 2025 review: a proper British bruiser

V12-powered cars are becoming rarer, but the Vanquish is one of the best you can buy
Road tests
11 Apr 2025
New Denza Z9GT 2025 review: super estate has BMW and Mercedes in its sights
 Denza Z9GT - front tracking

New Denza Z9GT 2025 review: super estate has BMW and Mercedes in its sights

The new Denza Z9GT hybrid estate is on the way to the UK. Should BMW, Mercedes and even Porsche be worried?
Road tests
11 Apr 2025