Products for Car / Van / 4x4

New tire purchase guide

Know the facts before you buy new tires

Fast facts: New tire checklist

  • Check your vehicle documentation for compatible tire types.
  • Tire size is defined by width, diameter, and the height-to-width aspect ratio.
  • The load index tells you how much load your vehicle is able to support.
  • The speed rating tells you the maximum speed the tire is capable of.
  • Fit the same model and make of tire on all four wheel positions.

The performance and handling of your vehicle depend on the tires. After all, tires are the only contact between the car and the road.

So, when it's time to buy a set of new tires for your vehicle, there are multiple factors you'll want to take into consideration, including your driving style, budget, and the region where you live.

Key requirements

The first requirement when choosing new tires is that they are compatible with your vehicle. Your owner's manual and documentation will have a list of compatible tire types. You can also find the key characteristics of a tire on its sidewall. Look at the tires your car has now and use that as a starting point.

We strongly recommend that a vehicle uses the same tires on each wheel position. This uniformity is vital to maintaining performance and control.

Tire size is provided as width, diameter, and height-to-width aspect ratio. The width is a three-digit number measuring the number of millimeters from one sidewall to the other (1). The ratio is a two- or three-digit percentage of the height compared to the width (2). The diameter, specified in inches, must match the wheel size of your vehicle.

Tires can also vary in construction, indicated by the letter R (3). Until the 1970s, cross-ply tires were the most common; they have a casing made from rubberized cord plies with edges wrapped around the bead wire. In modern car engineering, the radial tire has completely replaced the cross-ply tire. The cords in a radial tire casing run perpendicular to the direction of travel. Viewed from the side, the cords run radially – giving the tire its name.

The tires must be able to support the load of the vehicle; this capacity is called the load index (4). Look up the index to determine the weight, then multiply it by the number of tires to get the total load supported.
The speed rating, denoted as a letter on the sidewall (5), is the maximum speed the tire is capable of. Be aware that tires with a higher maximum speed tend to have faster tread wear. The speed rating must be at least as high as the vehicle's maximum.

The manufacturer also provides you with information on the ideal tire pressure for optimal operation of the car. Be very careful if operating a tire near its maximum rated pressure; it changes vehicle handling and increases wear on the tire.

Be sure to check the sidewall for other information like size (6), safety codes and association icons. They tell you whether it's approved for your country and meets common quality standards.

Optional considerations

Taken together, the key requirements for a tire narrow down your selection. But passenger tires still have many other options. Choosing the right tire for you depends on your driving style and budget.

Are you looking for a quiet, comfortable ride? Tires in this category have a tire tread designed to minimize noise. But the tread rubber may be softer, which increases the rate of wear. Therefore, quiet tires are best suited for paved roads.

Or perhaps you're looking for tires that offer the best fuel efficiency? These tires have a tread with lower rolling resistance which provides substantially improved fuel mileage.

If you drive on unpaved roads or enjoy some off-roading, tire versatility is essential. An all-terrain tire may be enough. Or you may consider the added sidewall protection of an off-road tire. Many specialty truck tires, such as mud tires, offer added traction for various terrains.

Finally, be aware that different tire types handle differently. Give yourself time to adjust when driving, accelerating, and braking with new tires.

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Budget vs. Premium tire

Winter, summer, and all-season tires

Driving conditions vary throughout the year. So, when it’s time to buy new tires, the first thing you should do is consider the climate where you live. Depending on your region’s climate, it may be better to alternate between a set of summer and winter tires, or it could be sufficient to stick with all-season tires.

Winter tires have a tread pattern designed to be effective on snow and slush and are able to withstand freezing temperatures. Most importantly, they offer improved handling and shorter braking distances on snow and ice.

Summer tires offer excellent road grip, handling, and shorter braking distances on dry roads and are also able to handle slippery roads following heavy rain.

Continental all-season tires work in a variety of conditions. For drivers, living in regions with mild winter conditions (temperatures rarely drop below freezing), all-season tires can be an alternative. Continental all-season tires offer safety and premium performance. In addition, drivers can save cost, time and reduce efforts required for seasonal tire changes.

If you are unsure about the right tire choice, please contact your local dealer for personal advice. 

Original equipment manufacturer tires

Your car comes with preinstalled tires. These are the original equipment (OE) tires chosen by the vehicle manufacturer, which meet their exact requirements having undergone a series of rigorous tests. OE tires can be new designs, tweaks to an existing tire, or a preferred choice of stock tire. For many drivers, picking OE tires for their vehicle is a simple, fuss-free option.

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