Should I buy a 2005–2008 Porsche Boxster 2.7 Petrol Manual 987?

Explore common problems, estimated repair costs and practical checks for the 2005–2008 Porsche Boxster 2.7 Petrol Manual 987. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1High Likelihood

Front and rear suspension arm and bush wear

Knocks or creaks over rough roads, vague steering, wandering, or uneven inner-edge tyre wear.

How to check

Drive slowly over small bumps and rough surfaces, then hold a steady line on a flat road.

Estimated Repair Cost

£1,400

2High Likelihood

Coolant pipe and hose-joint leaks

Low coolant warning, sweet smell, dried coolant marks, or coolant loss without obvious overheating at first.

How to check

Warm the car fully, let it idle briefly after the drive, then switch off and stand near the rear and side intakes.

Estimated Repair Cost

£1,200

3High Likelihood

Air-oil separator failure

Smoke from the exhaust, rough idle, whistling, increased oil use, or strong suction when removing the oil cap.

How to check

Start the engine from cold, let it idle, then drive and lift off the throttle after a short acceleration.

Estimated Repair Cost

£700

MOT Failure Rate

0%10%20%30%0–20,000 miles: 6.7% (567 failed / 8,491 tests)20,000–40,000 miles: 9.7% (2,213 failed / 22,715 tests)40,000–60,000 miles: 14.2% (3,279 failed / 23,123 tests)60,000–80,000 miles: 17.2% (3,099 failed / 18,014 tests)80,000–100,000 miles: 20.1% (2,195 failed / 10,921 tests)100,000–120,000 miles: 21.7% (1,006 failed / 4,641 tests)120,000–140,000 miles: 25.2% (433 failed / 1,720 tests)140,000–160,000 miles: 23.9% (112 failed / 468 tests)160,000–180,000 miles: 27.3% (44 failed / 161 tests)180,000–200,000 miles: 22.7% (15 failed / 66 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2005–2008 Porsche Boxster 2.7 Petrol Manual 987

Porsche Boxster buying questions

Is a 2005–2008 Porsche Boxster worth buying?

It can be, but only if the individual car backs it up. For the 2005–2008 Porsche Boxster 2.7 Petrol Manual 987, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Porsche Boxster (2005–2008)?

The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.

What should I check before buying a Porsche Boxster?

Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.

A model guide is useful. A report on its registration is better.

The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.

Or enter the vehicle manually