Porsche Boxster (2015)

1,101 real MOT outcomes analysed • 94.4% first-time pass rate

2015 Porsche Boxster

CarHunch analysed 1,101 real MOT records for the 2015 Porsche Boxster. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2015 Porsche Boxster is a genuinely reliable car, with a 94.4% first-time pass rate that sits well above the UK average of 80%—and the 13.7% dangerous defect rate, while present, isn't alarming for a sports car of this age. You're looking at a vehicle that rarely needs major corrective work, averaging just 0.51 failures per test.

These Boxsters are showing surprisingly low mileage for their age at a median of just under 25,000 miles, suggesting many have been cherished weekend cars rather than daily commuters, which tracks with typical Boxster ownership. With an average of 3.8 advisories per vehicle, most issues are minor—tyres, wipers, lights—so before you buy, ask for a full service history and request a pre-purchase inspection focusing on fluid levels and suspension condition, as these cars reward preventative maintenance.

Generally reliable 14.4% above UK average
94.4%
pass MOT first time
UK average: ~80%
24,961
typical mileage
16,891–34,419 middle half
13.7%
ever had a dangerous defect
recorded at any MOT
0.51
avg MOT failures per car
over 8.3 tests on record

What to check before buying a 2015 Porsche Boxster

Practical pre-purchase checks for this age and model.

  • 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
  • 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
  • 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
  • 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Porsche Boxster

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

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Mileage Distribution

Most 2015 Porsche Boxster vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

16,891
low mileage
24,961
typical
34,419
high mileage

Half of all 2015 Porsche Boxster vehicles fall between 16,891 and 34,419 miles.

2015 Porsche Boxster — Still on the Road

Strong survival — 1,032 vehicles still getting MOTs in 2025, 99% of the peak.

1,020 1,032 2018 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2018–2025.

MOT History Averages

8.3
Avg MOT tests per vehicle
0.51
Avg failures per vehicle
3.8
Avg advisories per vehicle

Most Common MOT Issues — 2015 Porsche Boxster

Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.

  • 25.2%
    Offside Rear Tyre worn close to legal limit/worn on edge
  • 25.1%
    Nearside Rear Tyre worn close to legal limit/worn on edge
  • 23.2%
    Offside Front Tyre slightly damaged/cracking or perishing
  • 22.1%
    Nearside Front Tyre slightly damaged/cracking or perishing
  • 13.9%
    Nearside Front Tyre worn close to legal limit/worn on edge
  • 12.4%
    Offside Front Tyre worn close to legal limit/worn on edge
  • 11.8%
    Front Brake pad(s) wearing thin
  • 9.4%
    Offside Rear Tyre slightly damaged/cracking or perishing

Data covers a 3-year window centred on 2015. Counts include advisories and failures.

Found a specific Porsche Boxster?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — Porsche Boxster:

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2016 2017 2018 2019 2020 2021 2022