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BYD Seal MOT Check

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

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91.0%

Avg Pass Rate

+0.8%

vs BYD Avg

1

Year Ranges

Excellent

Reliability

BYD Seal — MOT Reliability Overview

The BYD Seal has an average MOT pass rate of 91.0%, which is 0.8 percentage points above the BYD brand average of 90.2%. This is a strong result, indicating that the Seal is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a BYD Seal fails its MOT are lamps, reflectors and electrical equipment, suspension, brakes. If you are preparing your Seal 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 BYD Seal, 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 BYD Seal performs at MOT across different model years.

2023

Based on 1,500 vehicles

91.0%Excellent
BYD average: 90.2%
Dangerous Defects

0.7%

Retest Rate

6.5%

Top MOT Failures — BYD Seal

The most common reasons a BYD Seal fails its MOT, aggregated across all year ranges.

1

Lamps, reflectors and electrical equipment

9.8%
2

Suspension

7.5%
3

Brakes

7.0%
4

Tyres

8.2%
5

Exhaust, fuel and emissions

1.5%
BYD Seal Common Faults & Repair Costs

Where Failures Occur

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

Front

25.0%

Rear

23.0%

Offside

17.0%

Other BYD Models

Compare MOT reliability across BYD models.

BYD Atto 3

89.5% pass rate

BYD Dolphin

90.2% 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 BYD Seal

BYD Seal — Frequently Asked Questions

Common questions about the BYD Seal MOT and reliability.

What is the MOT pass rate for the BYD Seal?
The average MOT pass rate for the BYD Seal is 91.0% compared to the BYD average of 90.2%. 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 BYD Seal?
The most common MOT failures on the BYD Seal are: Lamps, reflectors and electrical equipment (9.8%), Suspension (7.5%), Brakes (7.0%). These are the components most likely to cause an MOT failure.
Is the BYD Seal reliable?
With an average MOT pass rate of 91.0%, the BYD Seal 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 BYD Seal?
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 BYD Seal?
Mileage data for the BYD Seal is available in the detailed breakdown on this page.

Check Your BYD Seal's MOT History

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

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