Continental Viking Contact 8 255/45R20XL 105T - 03457990000

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What 255/45R20 means

In the size 255/45R20, 255 is the section width in millimeters (10.04 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 114.8 mm (4.52 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 29.04 inches, turning roughly 695 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.

The service description on this tire decodes to a load index of 105 — a maximum load of 2,039 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

Will 255/45R20 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 255/45R20, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 255/45R20 tire in stock to compare options.

What does 105T mean on the Continental Viking Contact 8?

105T breaks down as load index 105 — rated for 2,039 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.

What kind of tire is the Continental Viking Contact 8?

The Continental Viking Contact 8 in 255/45R20 is a winter tire.

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