How Long Do Tires Last?
How many years and kilometres a set of tires lasts, why rubber ages out even with good tread, and the signs it's time to replace them.
Reviewed by Faisal Mohammad
Licensed Automotive Service Technician · 22 years' experience
Key Takeaways
- ▸Most manufacturers recommend replacing tires every 5–6 years regardless of tread, because rubber ages out.
- ▸A typical set lasts 40,000–80,000 km depending on compound, driving, and maintenance.
- ▸Tire life runs on two clocks — tread depth and age — whichever you hit first wins.
- ▸A 7+ year-old tire with good tread should still be inspected and usually replaced.
Most auto manufacturers recommend replacing tires every 5 to 6 years regardless of tread depth, because the rubber compound degrades over time. Even a tire that looks barely used can become unsafe as the rubber hardens, loses grip, and develops tiny cracks — a process called dry rot that accelerates with heat, sunlight, and ozone exposure.
With regular driving, a standard set of passenger tires typically lasts between 40,000 and 80,000 kilometres. The exact number depends on the tire's tread-wear rating, the compound (softer performance tires wear faster than harder all-seasons), your driving style, road conditions, and how well the tires were maintained with rotation, balancing, and correct inflation.
The key takeaway is that tire life has two clocks running at once: tread depth (how much usable rubber is left) and age (how old the rubber is). Whichever limit you hit first is the one that matters. A tire with plenty of tread that is 7+ years old should still be inspected and usually replaced, and a 2-year-old tire worn to the wear bars needs replacing regardless of its age.
Step-by-Step Guide
- 1Check the tire's age using the DOT date code on the sidewall (the last four digits = week and year of manufacture).
- 2Replace tires at 5–6 years of age even if tread looks fine — aged rubber loses grip and can crack.
- 3Most tires deliver 40,000–80,000 km; check your tire's treadwear (UTQG) rating to estimate expected life.
- 4Rotate tires every 8,000–10,000 km to even out wear and maximize total tire life.
- 5Keep tires inflated to the door-jamb PSI — under-inflation is the #1 cause of premature, uneven wear.
- 6Watch for dry-rot cracking on the sidewall and tread; it's a sign the rubber has aged out.
- 7Have alignment checked yearly — misalignment can ruin a new set of tires in a few thousand kilometres.
Benefits of Proper Maintenance
- Safer grip and shorter stopping distances
- Avoid blowouts from aged or worn rubber
- Maximize the kilometres you get from every set
- Better fuel economy from healthy tires
- Peace of mind in rain and winter conditions
Faisal Mohammad
Licensed Automotive Service Technician · 22 years' experience
Faisal Mohammad is a licensed Automotive Service Technician with 22 years of hands-on experience in the automotive industry. He has built, repaired, and serviced thousands of vehicles across tires, wheels, brakes, suspension, and diagnostics, and reviews the tire and automotive guides published by Limitless Tire for technical accuracy.
Service Interval
Inspect yearly; replace every 5–6 years or 40,000–80,000 km
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