Continental Conti 4x4 WinterContact 255/55R18 105H - 03546640000

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The Continental Conti 4x4 WinterContact is a winter tire engineered for SUVs and light trucks that need dependable cold-weather grip. It uses rubber compounds designed to stay flexible as temperatures drop, helping the tread bite into snow, slush, and cold, wet pavement where standard all-season tires begin to lose their footing. The result is a tire built for the harshest parts of the season without sacrificing everyday manners.

Drivers consistently point to the tire's confidence-inspiring behavior in tough winter conditions, with strong traction in snow and slush and good responsiveness on wet roads. High-density sipe technology across the tread packs the surface with biting edges that grip when it matters most, contributing to stable, predictable handling. Beyond outright grip, the Conti 4x4 WinterContact is praised for running quietly and delivering a smooth, comfortable ride even on rough winter roads.

Offered here in fitments spanning 17–18 in rim diameters, this model is a practical choice for owners who want cold-season security paired with long-wearing durability. Load-carrying capability varies by size, so it can be matched to a range of crossovers and utility vehicles that see real winter weather.

Continental Conti 4x4 WinterContact highlights

• Winter-specific compound stays flexible in the cold for reliable grip on snow, slush, and cold wet roads
• High-density sipe technology adds biting edges for maximum traction and stable handling
• Confidence-inspiring performance in harsh winter conditions, including deep slush
• Quiet, comfortable ride with good responsiveness even on rough winter roads
• Built for durability and long wear through the winter season
• Available in fitments spanning 17–18 in rim diameters

What 255/55R18 means

In the size 255/55R18, 255 is the section width in millimeters (10.04 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 140.2 mm (5.52 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 29.04 inches, turning roughly 694 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 H corresponds to a maximum sustained speed of 130 mph.

Specifications

Frequently asked questions

Will 255/55R18 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 255/55R18, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 255/55R18 tire in stock to compare options.

What does 105H mean on the Continental Conti 4x4 WinterContact?

105H breaks down as load index 105 — rated for 2,039 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.

What kind of tire is the Continental Conti 4x4 WinterContact?

The Continental Conti 4x4 WinterContact in 255/55R18 is a winter tire. SUVs, crossovers, and light trucks that face real winter weather and need dependable cold-season traction.

Keep shopping

Shop all 255/55R18 tires, browse Continental tires, see every Continental Conti 4x4 WinterContact size, explore winter snow tires, or view all tires at ThreePiece.us.