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MG MG4 MOT Check

MOT pass rates, common failures, and reliability data for the MG MG4. Check any MG4 by registration number below.

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90.5%

Avg Pass Rate

+4.5%

vs MG Avg

1

Year Ranges

Excellent

Reliability

MG MG4 — MOT Reliability Overview

The MG MG4 has an average MOT pass rate of 90.5%, which is 4.5 percentage points above the MG brand average of 86.0%. This is a strong result, indicating that the MG4 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a MG MG4 fails its MOT are lamps, reflectors and electrical equipment, suspension, brakes. If you are preparing your MG4 for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Before buying a used MG MG4, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the MG MG4 performs at MOT across different model years.

2022

Based on 8,000 vehicles

90.5%Excellent
MG average: 86.0%
Dangerous Defects

0.7%

Retest Rate

7.0%

Mileage at 3yr

16k mi

Top MOT Failures — MG MG4

The most common reasons a MG MG4 fails its MOT, aggregated across all year ranges.

1

Lamps, reflectors and electrical equipment

10.0%
2

Suspension

7.8%
3

Brakes

7.2%
4

Tyres

8.5%
5

Exhaust, fuel and emissions

1.8%
MG MG4 Common Faults & Repair Costs

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Front

26.0%

Rear

24.0%

Offside

18.0%

Other MG Models

Compare MOT reliability across MG models.

MG ZS

81.5% pass rate

MG ZS EV

88.5% pass rate

MG HS

82.8% pass rate

MG MG5 EV

89.2% pass rate

MG 3

80.2% pass rate

MG Cyberster

89.5% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for MG MG4

MG MG4 — Frequently Asked Questions

Common questions about the MG MG4 MOT and reliability.

What is the MOT pass rate for the MG MG4?
The average MOT pass rate for the MG MG4 is 90.5% compared to the MG average of 86.0%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a MG MG4?
The most common MOT failures on the MG MG4 are: Lamps, reflectors and electrical equipment (10.0%), Suspension (7.8%), Brakes (7.2%). These are the components most likely to cause an MOT failure.
Is the MG MG4 reliable?
With an average MOT pass rate of 90.5%, the MG MG4 is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a MG MG4?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a MG MG4?
Typical mileage for the MG MG4: 16,000 miles at 3 years. Use these benchmarks when evaluating a used MG4 to spot vehicles with unusually high or low mileage.

Check Your MG MG4's MOT History

Enter the registration number for the full MOT history — free and instant.

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