Toyota Sienta MOT Check

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

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93.6%

Avg Pass Rate

+10.1%

vs Toyota Avg

Year Ranges

Excellent

Reliability

Toyota Sienta — MOT Reliability Overview

The Toyota Sienta has an average MOT pass rate of 93.6%, which is 10.1 percentage points above the Toyota brand average of 83.5%. This is a strong result, indicating that the Sienta is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Toyota Sienta fails its MOT are a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. If you are preparing your Sienta 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 Toyota Sienta, 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 Toyota Sienta performs at MOT across different model years.

2020

Based on 53 vehicles

90.6%Excellent

Toyota average: 83.5%

Dangerous Defects

2.3%

Retest Rate

6.8%

Mileage at 3yr

50k mi

Mileage at 5yr

77k mi

2019

Based on 73 vehicles

98.6%Excellent

Toyota average: 83.5%

Dangerous Defects

0.0%

Mileage at 5yr

75k mi

2018

Based on 115 vehicles

100.0%Excellent

Toyota average: 83.5%

Dangerous Defects

0.0%

Mileage at 5yr

40k mi

2017

Based on 256 vehicles

92.2%Excellent

Toyota average: 83.5%

Dangerous Defects

1.3%

Retest Rate

6.1%

2016

Based on 160 vehicles

90.0%Excellent

Toyota average: 83.5%

Dangerous Defects

0.8%

Retest Rate

7.8%

2015

Based on 57 vehicles

86.0%Excellent

Toyota average: 83.5%

Dangerous Defects

0.0%

Retest Rate

15.0%

2013

Based on 31 vehicles

100.0%Excellent

Toyota average: 83.5%

Dangerous Defects

0.0%

0

Based on 180 vehicles

91.1%Excellent

Toyota average: 83.5%

Mileage at 5yr

63k mi

Top MOT Failures — Toyota Sienta

The most common reasons a Toyota Sienta fails its MOT, aggregated across all year ranges.

A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

4.7%

Toyota Sienta Common Faults & Repair Costs

Where Failures Occur

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

Rear Nearside Outer

1.9%

Nearside

1.9%

Front

1.9%

Other Toyota Models

Compare MOT reliability across Toyota models.

Toyota Previa

83.2% pass rate

Toyota Aygo Jbl Edition Tss Vvt-i

95.2% pass rate

Toyota Yaris Terra

92.2% pass rate

Toyota Estima

84.6% pass rate

Toyota Yaris Icon Hev Cvt

95.1% pass rate

Toyota Townace

72.4% 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 Toyota Sienta

Toyota Sienta — Frequently Asked Questions

Common questions about the Toyota Sienta MOT and reliability.

What is the MOT pass rate for the Toyota Sienta?

The average MOT pass rate for the Toyota Sienta is 93.6% compared to the Toyota average of 83.5%. 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 Toyota Sienta?

The most common MOT failures on the Toyota Sienta are: A suspension joint dust cover missing or no longer prevents the ingress of dirt etc (4.7%). These are the components most likely to cause an MOT failure.

Is the Toyota Sienta reliable?

With an average MOT pass rate of 93.6%, the Toyota Sienta 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 Toyota Sienta?

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 Toyota Sienta?

Typical mileage for the Toyota Sienta: 50,464 miles at 3 years, 76,521 miles at 5 years. Use these benchmarks when evaluating a used Sienta to spot vehicles with unusually high or low mileage.

Check Your Toyota Sienta's MOT History

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