Start with your car's tire size and type

The fastest way to find tires is to look at what you already have. Open your driver's side door and look at the placard on the inside edge — it lists your car's original tire size, load rating, and pressure. You can also find this information in your owner's manual or by searching your vehicle identification number (VIN) on the manufacturer's website.

The tire size appears as a code like 225/65R17. The first number is width in millimeters, the second is the sidewall height as a percentage of width, the R means radial construction, and the last number is the wheel diameter in inches. Matching this size exactly keeps your speedometer accurate and maintains your car's handling.

Beyond size, you need to know what type of driving you do. All-season tires work for most drivers in most climates. Winter tires grip better in snow and ice. Summer tires offer better handling in warm weather but lose traction below 45 degrees. All-terrain and mud-terrain tires are built for trucks and off-road use. Performance tires prioritize grip and cornering over tread life.

Key Takeaways

  • Your car's door jamb placard or owner's manual shows the exact tire size and type your vehicle needs.
  • All-season tires work for most drivers; winter tires are necessary only if you live where snow and ice are common.
  • Tire shops, warehouse clubs, online retailers, and dealerships each have different pricing, installation options, and warranty terms.
  • Tread depth, load rating, and speed rating matter as much as brand — a cheaper tire with the right specs may outlast an expensive one with the wrong ones.
  • Installation typically costs $15 to $30 per tire at most shops, and many offer free rotation and balancing for the life of the tire.

Where to buy tires and what each option costs

Tire shops, warehouse clubs, big-box retailers, online sellers, and dealerships all sell tires, and the price for the same tire can vary by $50 or more depending on where you buy. Local independent tire shops often charge more per tire but may offer faster service and easier returns. National chains like Firestone, Goodyear, and Discount Tire have consistent pricing and nationwide warranty coverage.

Warehouse clubs like Costco and Sam's Club sell tires at lower per-unit prices but require membership and limit your selection to their inventory. Online retailers like Tire Rack and Costco.com let you compare prices across brands and ship to a local installer, though you then pay that installer for mounting and balancing. Dealerships stock tires matched to your car's original specifications but typically charge more than independent shops.

Installation costs $15 to $30 per tire at most shops and usually includes mounting, balancing, and a valve stem. Some shops charge extra for disposal of old tires (typically $3 to $5 per tire) or for services like wheel alignment. Ask the shop upfront what is included in their quoted price.

How to compare tire brands and read the ratings

Tire brands vary widely in price, durability, and performance. Michelin, Bridgestone, Goodyear, and Continental are premium brands with higher prices and longer tread-life warranties. Dunlop, Hankook, and Kumho are mid-range brands that balance cost and longevity. Budget brands like Westlake and Laufenn cost less but may wear faster or offer shorter warranties.

Every tire sold in the United States carries a Uniform Tire Quality Grading (UTQG) label on its sidewall. The treadwear number (like 640) estimates how long the tire will last relative to a standard test tire — a tire rated 640 should last roughly 64 percent longer than the standard. The traction grade (AA, A, B, or C) rates wet braking; AA is best. The temperature grade (A, B, or C) rates heat resistance; A is best. These ratings help you compare tires objectively, but real-world wear depends on your driving habits, road conditions, and maintenance.

Online reviews on Tire Rack, Amazon, and manufacturer websites show what actual drivers experienced with a specific tire. Look for patterns — if many reviews mention uneven wear or noise, that tire may not suit your car or driving style.

Matching tire specs to your vehicle's needs

Your car's door jamb placard lists a load index and speed rating. The load index (a number like 95) tells you the maximum weight each tire can safely carry. The speed rating (a letter like H or V) tells you the maximum sustained speed the tire is designed for. Never buy a tire with a lower load index or speed rating than your placard specifies, as it may fail under normal driving.

If you live in a region with winter weather, winter tires are worth the cost. They use a rubber compound that stays flexible in cold, and their tread pattern is designed to bite into snow. Winter tires can reduce stopping distance on ice by 20 to 30 feet compared to all-season tires. You can keep your current wheels and swap to winter tires seasonally, or buy a second set of wheels mounted with winter tires and swap the whole wheel assembly — the second option is faster but costs more upfront.

If you tow a trailer or carry heavy loads regularly, confirm that your tires meet the load rating for that use. Underrated tires can overheat and fail. If you drive mostly on highways, a tire with a higher treadwear rating will save money over time. If you drive in wet conditions frequently, prioritize traction ratings.

How to check your current tires and know when to replace them

Tread depth matters for safety. New tires have about 10/32 of an inch of tread. At 4/32 of an inch, traction in wet conditions drops noticeably. At 2/32 of an inch, most states consider the tire legally worn out. Use the penny test: insert a penny into the tread with Lincoln's head upside down. If you can see the top of his head, the tread is at or below 2/32 of an inch and the tire needs replacement.

Uneven wear — bald spots on one edge, or a worn center stripe — signals alignment problems, underinflation, or overinflation. Have your alignment checked before buying new tires, or the new tires will wear the same way. Check tire pressure monthly with a gauge; the correct pressure is on your door jamb placard, not on the tire sidewall. Underinflated tires wear faster and reduce fuel economy. Overinflated tires wear in the center and reduce grip.

Most tires last three to five years or 25,000 to 50,000 miles, whichever comes first. Even if tread looks fine, tires older than six years should be inspected by a professional, and tires older than ten years should be replaced regardless of tread depth, because the rubber degrades over time.

Seasonal tire storage and maintenance

If you buy a second set of wheels with winter tires, you need to store the off-season set. Clean the tires and wheels before storage, then store them in a cool, dry place away from direct sunlight, ozone sources (like electric motors), and chemicals. A garage or basement works well. Store tires upright if space allows, or stack them no more than four high. Check pressure every month or two during storage — tires lose pressure over time, even when not in use.

Rotate your tires every 5,000 to 8,000 miles to promote even wear. Most tire shops offer free rotation for the life of the tire if you purchase from them. Balancing — done when you install new tires — corrects weight imbalances that cause vibration. Wheel alignment — checking that your wheels point straight — should be done if you notice uneven wear or pulling to one side.

Warranty coverage and what it actually protects

Tire warranties vary by brand and retailer. Treadwear warranties promise to replace or refund a tire if it wears out before the mileage specified (like 60,000 miles). Defect warranties cover manufacturing flaws like sidewall cracks or tread separation. Road hazard warranties cover damage from potholes, nails, and debris. Some warranties are free; others cost $10 to $30 per tire.

Read the fine print. Most treadwear warranties are prorated — if your tire lasts 30,000 of a promised 60,000 miles, you get a credit for 50 percent of the replacement cost, not a free tire. Defect warranties usually require proof of proper maintenance (correct pressure, rotation, alignment). Road hazard warranties often exclude damage from underinflation or overloading. Keep your receipt and maintenance records to support a warranty claim.

Frequently Asked Questions

Can I mix different tire brands or types on my car?

Mixing brands is generally safe if the size, load rating, and speed rating match. Mixing types — like putting winter tires on the front and all-season on the back — is not recommended because it changes how your car handles and brakes. If you must mix, put the better tires on the rear axle to maintain stability.

What is the difference between a tire size like 225/65R17 and 225/60R17?

The middle number is sidewall height as a percentage of width. A 65 sidewall is taller than a 60 sidewall, so a 225/65R17 tire is slightly larger in overall diameter than a 225/60R17. Using the wrong size changes your speedometer reading and can affect handling. Stick to the size on your door jamb placard.

Should I buy the most expensive tire or the cheapest?

Neither automatically. A mid-range tire with the right specs for your driving may outlast a premium tire with the wrong tread pattern, and a budget tire with a high treadwear rating may cost less over its lifetime than a cheaper tire that wears faster. Compare the UTQG rating, warranty, and real-world reviews alongside price.

Do I need to replace all four tires at once?

If all four are worn evenly, replacing all four at once is ideal for handling and safety. If only one or two are damaged, you can replace just those, but match the size, load rating, and speed rating exactly. Some all-wheel-drive vehicles require all four tires to be the same tread depth to avoid drivetrain damage — check your owner's manual.

How long does it take to get tires installed?

At a tire shop, installation usually takes 30 minutes to two hours depending on how busy they are and whether your wheels need balancing or alignment. Online retailers ship tires in three to seven business days, then you pay a local shop to install them. Dealerships may take longer because they handle more vehicles. Call ahead to ask about wait times.