Porsche Boxster MOT Check

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

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87.5%

Avg Pass Rate

-2.5%

vs Porsche Avg

Year Ranges

Excellent

Reliability

Porsche Boxster — MOT Reliability Overview

The Porsche Boxster has an average MOT pass rate of 87.5%, which is 2.5 percentage points below the Porsche brand average of 90.1%. This is a strong result, indicating that the Boxster is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Porsche Boxster fails its MOT are lambda coefficient outside the default limits or the range specified by the manufacturer, brake pipe damaged or excessively corroded, audible warning inoperative. If you are preparing your Boxster 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 Porsche Boxster, 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 Porsche Boxster performs at MOT across different model years.

2021

Based on 723 vehicles

98.5%Excellent

Porsche average: 90.1%

Dangerous Defects

0.3%

Retest Rate

1.4%

Mileage at 3yr

20k mi

2020

Based on 1,771 vehicles

96.8%Excellent

Porsche average: 90.1%

Dangerous Defects

0.7%

Retest Rate

2.5%

Mileage at 3yr

23k mi

Mileage at 5yr

20k mi

2019

Based on 3,509 vehicles

96.7%Excellent

Porsche average: 90.1%

Dangerous Defects

0.6%

Retest Rate

3.2%

Mileage at 3yr

22k mi

Mileage at 5yr

34k mi

2018

Based on 3,826 vehicles

95.2%Excellent

Porsche average: 90.1%

Dangerous Defects

1.1%

Retest Rate

7.4%

Mileage at 5yr

37k mi

2017

Based on 3,658 vehicles

96.0%Excellent

Porsche average: 90.1%

Dangerous Defects

1.2%

Retest Rate

4.3%

Mileage at 5yr

40k mi

2016

Based on 4,237 vehicles

94.7%Excellent

Porsche average: 90.1%

Dangerous Defects

1.2%

Retest Rate

6.5%

2015

Based on 3,693 vehicles

96.3%Excellent

Porsche average: 90.1%

Dangerous Defects

1.0%

Retest Rate

3.6%

Mileage at 10yr

60k mi

2014

Based on 3,760 vehicles

93.8%Excellent

Porsche average: 90.1%

Dangerous Defects

1.3%

Retest Rate

6.3%

Mileage at 10yr

67k mi

2013

Based on 4,183 vehicles

93.9%Excellent

Porsche average: 90.1%

Dangerous Defects

0.8%

Retest Rate

6.8%

Mileage at 10yr

67k mi

2012

Based on 3,490 vehicles

92.8%Excellent

Porsche average: 90.1%

Dangerous Defects

0.5%

Retest Rate

5.7%

Mileage at 10yr

75k mi

2011

Based on 2,120 vehicles

92.3%Excellent

Porsche average: 90.1%

Dangerous Defects

1.3%

Retest Rate

7.8%

2010

Based on 2,406 vehicles

92.7%Excellent

Porsche average: 90.1%

Dangerous Defects

1.3%

Retest Rate

8.2%

2009

Based on 2,467 vehicles

92.9%Excellent

Porsche average: 90.1%

Dangerous Defects

0.9%

Retest Rate

5.5%

2008

Based on 3,169 vehicles

90.5%Excellent

Porsche average: 90.1%

Dangerous Defects

1.9%

Retest Rate

9.1%

2007

Based on 4,695 vehicles

87.5%Excellent

Porsche average: 90.1%

Dangerous Defects

1.5%

Retest Rate

13.3%

2006

Based on 5,568 vehicles

85.9%Excellent

Porsche average: 90.1%

Dangerous Defects

1.8%

Retest Rate

12.9%

2005

Based on 9,334 vehicles

83.9%Good

Porsche average: 90.1%

Dangerous Defects

1.8%

Retest Rate

15.6%

2004

Based on 5,572 vehicles

79.7%Good

Porsche average: 90.1%

Dangerous Defects

2.9%

Retest Rate

17.2%

2003

Based on 6,652 vehicles

79.3%Good

Porsche average: 90.1%

Dangerous Defects

3.1%

Retest Rate

19.5%

2002

Based on 5,795 vehicles

77.6%Good

Porsche average: 90.1%

Dangerous Defects

3.1%

Retest Rate

20.8%

2001

Based on 5,712 vehicles

79.2%Good

Porsche average: 90.1%

Dangerous Defects

2.6%

Retest Rate

16.2%

2000

Based on 5,044 vehicles

78.6%Good

Porsche average: 90.1%

Dangerous Defects

2.6%

Retest Rate

18.8%

1999

Based on 3,653 vehicles

77.5%Good

Porsche average: 90.1%

Dangerous Defects

2.4%

Retest Rate

18.3%

1998

Based on 2,861 vehicles

74.5%Average

Porsche average: 90.1%

Dangerous Defects

2.3%

Retest Rate

19.9%

1997

Based on 1,597 vehicles

79.7%Good

Porsche average: 90.1%

Dangerous Defects

1.4%

Retest Rate

13.5%

1996

Based on 53 vehicles

71.7%Average

Porsche average: 90.1%

Dangerous Defects

2.9%

Retest Rate

22.9%

0

Based on 37,183 vehicles

85.5%Excellent

Porsche average: 90.1%

Mileage at 5yr

66k mi

Top MOT Failures — Porsche Boxster

The most common reasons a Porsche Boxster fails its MOT, aggregated across all year ranges.

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

2.1%

Brake pipe damaged or excessively corroded

1.9%

Audible warning inoperative

1.9%

A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc

1.6%

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

1.6%

Porsche Boxster Common Faults & Repair Costs

Where Failures Occur

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

Rear Nearside

0.7%

Front Nearside

0.6%

Offside

0.3%

Other Porsche Models

Compare MOT reliability across Porsche models.

Porsche Cayman

95.7% pass rate

Porsche Carrera Coupe Sport

88.4% pass rate

Porsche 911 Carrera 4 S

100.0% pass rate

Porsche 911 Carrera

99.1% pass rate

Porsche Carrera Gt

87.5% pass rate

Porsche Panamera 4s E-hybrid S-a

86.8% 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 Porsche Boxster

Porsche Boxster — Frequently Asked Questions

Common questions about the Porsche Boxster MOT and reliability.

What is the MOT pass rate for the Porsche Boxster?

The average MOT pass rate for the Porsche Boxster is 87.5% compared to the Porsche average of 90.1%. 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 Porsche Boxster?

The most common MOT failures on the Porsche Boxster are: Lambda coefficient outside the default limits or the range specified by the manufacturer (2.1%), Brake pipe damaged or excessively corroded (1.9%), Audible warning inoperative (1.9%). These are the components most likely to cause an MOT failure.

Is the Porsche Boxster reliable?

With an average MOT pass rate of 87.5%, the Porsche Boxster 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 Porsche Boxster?

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 Porsche Boxster?

Typical mileage for the Porsche Boxster: 20,218 miles at 3 years. Use these benchmarks when evaluating a used Boxster to spot vehicles with unusually high or low mileage.

Check Your Porsche Boxster's MOT History

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