Lexus ES MOT failure rates: what to expect
What fails on a Lexus ES at MOT, how often, and what each fix typically costs.

The Lexus ES is generally a reliable vehicle, but like any car, it can face issues during its MOT. Common failures include problems with lights, suspension components, and emissions. Typical repair costs can range from £50 to £500, depending on the specific issue and parts required.
Lights and Electrical Systems
One of the most frequent reasons for MOT failure on the Lexus ES is issues with lights and electrical systems. This includes malfunctioning headlights, brake lights, or indicators. The DVSA MOT data indicates that electrical faults are a common issue across many vehicles.
Fixing a blown bulb is usually straightforward and costs around £10 to £20. However, if the problem lies deeper in the wiring or the control module, repairs can escalate to £100 or more. Regularly checking and replacing bulbs can help avoid these issues.
Suspension and Steering Components
Suspension and steering components are critical for vehicle safety and comfort. The Lexus ES can experience wear in components such as shock absorbers and bushings, leading to MOT failures. The Honest John reliability index highlights that suspension issues are prevalent in older models.
Replacing shock absorbers typically costs between £150 and £300 per pair, while bushings can range from £50 to £150. Regular inspections can help identify wear early, potentially saving on more extensive repairs later.
Brake System Failures
The brake system is another area where the Lexus ES may encounter problems during its MOT. Common issues include worn brake pads, discs, or leaks in the brake lines. The DVSA MOT data shows that brake-related failures are among the top reasons for MOT rejections.
Replacing brake pads can cost around £100 to £200, while disc replacements may add another £150 to £300. Ensuring that brakes are regularly serviced can help maintain their effectiveness and extend their lifespan.
Emissions and Exhaust System
Emissions testing is a crucial part of the MOT process, and the Lexus ES can sometimes struggle to meet the required standards. Common issues include a faulty catalytic converter or exhaust leaks. The Honest John reliability index notes that emissions-related failures can be particularly costly.
Repairing or replacing a catalytic converter can range from £300 to £800, depending on the model year and parts availability. Regular maintenance of the exhaust system can help prevent these costly repairs and ensure compliance with emissions standards.
Tyres and Wheel Alignment
Tyres play a significant role in the overall safety and performance of the Lexus ES. MOT failures often occur due to insufficient tread depth or uneven wear. The DVSA MOT data indicates that tyre-related issues are common across many vehicle types.
Replacing a single tyre can cost between £60 and £150, depending on the brand and specifications. Additionally, a wheel alignment service, which can help prevent uneven wear, typically costs around £50 to £100. Regularly checking tyre pressure and tread depth can help avoid MOT failures.
Bodywork and Structural Integrity
While not as common as mechanical failures, issues with bodywork and structural integrity can lead to MOT failures. Rust, corrosion, or damage to the chassis can be problematic. The Honest John reliability index suggests that older models may be more susceptible to these issues.
Repairing rust or structural damage can vary widely in cost, from £100 for minor repairs to £1,000 or more for extensive work. Regular inspections and prompt repairs can help maintain the vehicle’s integrity and safety.
By being aware of these common MOT failures and their associated costs, Lexus ES owners can take proactive steps to ensure their vehicle remains in good condition and passes its MOT with ease. Regular maintenance and timely repairs can save money and enhance safety on the road.
Frequently asked questions
What is the Lexus ES MOT requirement in the UK?
In the UK, all vehicles over three years old must have an MOT test annually. The Lexus ES is no exception and should be tested to ensure it meets safety and environmental standards.
How can I check the MOT history of a Lexus ES?
You can check the MOT history of a Lexus ES by visiting the official UK government website. You will need the vehicle's registration number to access its past MOT records.
What common issues might cause a Lexus ES to fail its MOT?
Common issues that could lead to an MOT failure for a Lexus ES include worn brakes, faulty lights, and issues with emissions. Regular maintenance can help prevent these problems.
How much does an MOT for a Lexus ES typically cost?
The cost of an MOT for a Lexus ES can vary depending on the garage, but it generally ranges from £30 to £50. It's advisable to shop around for the best price.
Can I drive my Lexus ES if the MOT has expired?
No, you cannot legally drive your Lexus ES on public roads if the MOT has expired, unless you are driving it to a pre-booked MOT appointment. Doing so can result in fines.
What should I do if my Lexus ES fails its MOT?
If your Lexus ES fails its MOT, you will receive a list of issues that need to be addressed. You must fix these problems and have the vehicle retested before you can legally drive it.
How can I prepare my Lexus ES for its MOT?
To prepare your Lexus ES for its MOT, ensure that all lights are working, tyres are properly inflated, and fluid levels are topped up. A pre-MOT check by a mechanic can also be beneficial.
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Sources
DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.