Should you buy a used Mazda CX-5 with over 150,000 km?

Yes—but only if the price reflects the mileage and it passes a proper pre-purchase inspection. A Mazda CX-5 with over 150,000 km can still be a good buy, especially if it has a complete service history, no accident/rust concerns, and smooth engine/transmission behavior.

Best rule: buy the condition, not the odometer. At 150,000+ km, budget for wear items such as brakes, tires, suspension parts, fluids, battery, belts, and possibly AWD-related maintenance if equipped.

I’d buy one if:

1. It has documented oil changes and maintenance.
2. The transmission shifts smoothly with no hesitation, slipping, or clunks.
3. There is no structural rust, especially underneath.
4. The engine is quiet, doesn’t smoke, and has no warning lights.
5. A mechanic inspection finds no major leaks or deferred repairs.
6. The asking price is meaningfully lower than a lower-mileage example.

I’d avoid it if service records are missing, the seller says “it just needs a sensor,” the check-engine light is on, it has rough shifting, heavy rust, accident history, or the price is too close to cleaner lower-km CX-5s.