Before beginning the process of replacing your tires, always consult your vehicle’s owner’s manuals and their tire replacement recommendations and restrictions. The owner’s manual will also contain additional important tire care and maintenance. Another source of information from the vehicle manufacturer regarding tire size and loading information as well as recommended tire inflation specifications can be found on the vehicle tire placard located on the driver’s door edge or door post.
Replacing Your Tires
The tread depth on all tires wears down while driving and the tires will eventually need replacing.
How quickly a tire will need replacing depends on various things, such as driving habits (distance traveled, speed, severity of braking & cornering, etc.), where you live, and how well the tires are maintained on your vehicle.
Signs When to Replace Tires
1. Tread Depth
The legal minimum tread depth in most countries is 1.6mm (2/32 inches).
Use the penny test or a tread depth gauge to check. If you see the top of Lincoln’s head (or any coin equivalent), it’s time to replace the tire.
For optimal safety, replace tires at 3-4mm (4/32-5/32 inches), especially in wet or snowy conditions.
2. Tire Age
Tires generally last 6-10 years, even if they look fine.
Check the DOT code on the sidewall to find the manufacturing date. Replace tires older than 6 years, regardless of tread.
3. Uneven Wear
Inspect for bald spots, uneven tread wear, or exposed steel belts.
Uneven wear might indicate alignment or suspension issues and should prompt immediate replacement.
4. Damage
Replace tires with cuts, bulges, or cracks.
Any puncture larger than ¼ inch (6mm) or sidewall damage usually means the tire can't be safely repaired.
5. Performance Issues
Noticeable vibrations, poor handling, or longer braking distances might signal worn-out tires.
6. Seasonal Considerations
If you use winter tires, switch to summer/all-season tires when temperatures consistently rise above 7°C (45°F).
Winter tires may need replacing even if tread depth exceeds the legal limit, as performance degrades over time.
If you’re unsure, bring your car to ASKO, where our experts can inspect your tires for free. We’ll make sure you’re riding safely and confidently on the road.