Lexus Ls400 MOT Check

MOT pass rates, common failures, and reliability data for the Lexus Ls400. Check any Ls400 by registration number below.

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81.3%

Avg Pass Rate

-5.4%

vs Lexus Avg

Year Ranges

Good

Reliability

Lexus Ls400 — MOT Reliability Overview

The Lexus Ls400 has an average MOT pass rate of 81.3%, which is 5.4 percentage points below the Lexus brand average of 86.7%. This is a strong result, indicating that the Ls400 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Lexus Ls400 fails its MOT are the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension pin, bush or joint excessively worn, a battery insecure and likely to fall from carrier or cause a short circuit. If you are preparing your Ls400 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 Lexus Ls400, 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 Lexus Ls400 performs at MOT across different model years.

2000

Based on 247 vehicles

77.7%Good

Lexus average: 86.7%

Dangerous Defects

5.7%

Retest Rate

19.5%

1999

Based on 396 vehicles

80.3%Good

Lexus average: 86.7%

Dangerous Defects

2.1%

Retest Rate

14.6%

1998

Based on 989 vehicles

81.6%Good

Lexus average: 86.7%

Dangerous Defects

1.9%

Retest Rate

11.1%

1997

Based on 598 vehicles

78.6%Good

Lexus average: 86.7%

Dangerous Defects

3.3%

Retest Rate

13.3%

1996

Based on 388 vehicles

82.2%Good

Lexus average: 86.7%

Dangerous Defects

1.5%

Retest Rate

7.8%

1995

Based on 420 vehicles

82.1%Good

Lexus average: 86.7%

Dangerous Defects

1.0%

Retest Rate

13.9%

1994

Based on 110 vehicles

83.6%Good

Lexus average: 86.7%

Dangerous Defects

1.4%

Retest Rate

5.7%

1993

Based on 103 vehicles

77.7%Good

Lexus average: 86.7%

Dangerous Defects

1.4%

Retest Rate

22.9%

1992

Based on 73 vehicles

80.8%Good

Lexus average: 86.7%

Dangerous Defects

3.8%

Retest Rate

7.7%

1991

Based on 67 vehicles

85.1%Excellent

Lexus average: 86.7%

Dangerous Defects

2.0%

Retest Rate

10.0%

1990

Based on 35 vehicles

85.7%Excellent

Lexus average: 86.7%

Dangerous Defects

0.0%

0

Based on 1,188 vehicles

79.8%Good

Lexus average: 86.7%

Mileage at 5yr

144k mi

Top MOT Failures — Lexus Ls400

The most common reasons a Lexus Ls400 fails its MOT, aggregated across all year ranges.

The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired

4.2%

A suspension pin, bush or joint excessively worn

3.2%

A battery insecure and likely to fall from carrier or cause a short circuit

3.1%

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

3.0%

Lambda coefficient outside the default limits or the range specified by the manufacturer

2.7%

Lexus Ls400 Common Faults & Repair Costs

Where Failures Occur

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

Rear Offside

10.9%

Rear Nearside

6.9%

Front Offside

4.5%

Other Lexus Models

Compare MOT reliability across Lexus models.

Lexus Ls430

88.8% pass rate

Lexus Is F

92.6% pass rate

Lexus Is 250 Advance Auto

87.6% pass rate

Lexus Gs450h

91.4% pass rate

Lexus Is 300h Premier Cvt

89.3% pass rate

Lexus Is250

82.0% 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 Lexus Ls400

Lexus Ls400 — Frequently Asked Questions

Common questions about the Lexus Ls400 MOT and reliability.

What is the MOT pass rate for the Lexus Ls400?

The average MOT pass rate for the Lexus Ls400 is 81.3% compared to the Lexus average of 86.7%. 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 Lexus Ls400?

The most common MOT failures on the Lexus Ls400 are: The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired (4.2%), A suspension pin, bush or joint excessively worn (3.2%), A battery insecure and likely to fall from carrier or cause a short circuit (3.1%). These are the components most likely to cause an MOT failure.

Is the Lexus Ls400 reliable?

With an average MOT pass rate of 81.3%, the Lexus Ls400 is rated as "Good" for reliability. This is a strong result suggesting good build quality and fewer common defects.

How do I check the MOT history of a Lexus Ls400?

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 Lexus Ls400?

Typical mileage for the Lexus Ls400: 144,052 miles at 5 years. Use these benchmarks when evaluating a used Ls400 to spot vehicles with unusually high or low mileage.

Check Your Lexus Ls400's MOT History

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