Should I buy a 2015 Mazda CX-5 2.2 Diesel Manual?

Explore common problems, estimated repair costs and practical checks for the 2015 Mazda CX-5 2.2 Diesel Manual. 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

Injector seal leakage leading to blocked oil strainer and engine oil starvation

Low oil pressure warning, rattly or harsher running, rising oil level, diesel smell in the oil, or sudden loss of power before major damage.

How to check

Start it from cold, let it idle, then drive gently until fully warm and stop with the engine idling for a minute.

Estimated Repair Cost

£2,500

2High Likelihood

Turbocharger failure after oil contamination or carbon buildup

Whistling under load, weak acceleration, limp mode, smoke, or an engine light with underboost faults.

How to check

Accelerate progressively from low revs in a higher gear once the engine is warm.

Estimated Repair Cost

£1,800

3High Likelihood

Cylinder head or head-gasket failure with coolant loss

Coolant level dropping, sweet smell, pressure in hoses, misfire on startup, white smoke, or unexplained overheating history.

How to check

Drive until fully warm, then let it idle and watch for smoke, roughness, or a sudden temperature change.

Estimated Repair Cost

£3,200

MOT Failure Rate

0%10%20%30%40%0–20,000 miles: 7.0% (120 failed / 1,705 tests)20,000–40,000 miles: 11.6% (1,312 failed / 11,284 tests)40,000–60,000 miles: 14.6% (2,249 failed / 15,400 tests)60,000–80,000 miles: 16.8% (2,317 failed / 13,816 tests)80,000–100,000 miles: 20.1% (2,027 failed / 10,097 tests)100,000–120,000 miles: 21.6% (1,067 failed / 4,942 tests)120,000–140,000 miles: 23.6% (450 failed / 1,909 tests)140,000–160,000 miles: 24.4% (136 failed / 557 tests)160,000–180,000 miles: 25.1% (43 failed / 171 tests)180,000–200,000 miles: 31.3% (10 failed / 32 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2015 Mazda CX-5 2.2 Diesel Manual

Mazda CX-5 buying questions

Is a 2015 Mazda CX-5 worth buying?

It can be, but only if the individual car backs it up. For the 2015 Mazda CX-5 2.2 Diesel Manual, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Mazda CX-5 (2015)?

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 Mazda CX-5?

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