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J121 BOS

2021 Porsche Boxster

Black Petrol 2497cc
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MOT Status

Valid
Expires20 Aug 2026
Tests5 (4 pass, 1 fail)
Pass rate80%

Mileage

27,186 mi
Last recorded27,186 miles
Recorded on21 Aug 2025
Typical for 2021 Porsche Boxster13,918 mi

Significantly above average — investigate

4 checks still locked for this Porsche
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationJ121 BOS
MakePorsche
ModelBoxster
Year2021
ColourBlack
Fuel typePetrol
Engine2,497cc

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50+ data points
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MOT History

4 pass 1 fail
Pass 21 Aug 2025 27,186 miles
Pass 24 Jun 2025 26,678 miles
Pass 10 May 2024 21,237 miles
Fail 9 May 2024 21,237 miles

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Pass 23 May 2023 11,580 miles

How Reliable is the Porsche Boxster?

Based on 726,695 MOT tests across 46,886 vehicles.

82.8%
Pass Rate
2,475
Miles/Year
29
Year Lifespan
46,886
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 19,504
Brake pipe excessively corroded 6,317
Exhaust emissions Lambda reading after 2nd fast idle outside specified limits 5,538
brake disc excessively pitted 5,177
position lamp(s) not working 5,126
Full Porsche Boxster reliability report

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J121 BOS is a 2021 Porsche Boxster in Black with a 2,497cc petrol engine. This vehicle has been through 5 MOT tests with a personal pass rate of 80%.

Across all 2021 Porsche Boxster models, the average MOT pass rate is 95.5% with a typical mileage of 13,918 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Porsche Boxster fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 19,504 recorded failures. If you're considering buying J121 BOS, it's worth having these areas checked by a mechanic before committing.

The Porsche Boxster typically stays on UK roads for around 29 years. At 5 years old, this Porsche Boxster is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of J121 BOS?

You can check the full history of J121 BOS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J121 BOS registered?

J121 BOS is a 2021 Porsche Boxster, first registered on 3 March 2021.

Is J121 BOS safe to buy?

The MOT history for J121 BOS shows 5 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J121 BOS have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on J121 BOS. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.