Continental CON TerrainContact A/T LT315/70R17/10

Shop the Continental TerrainContact A/T 315/70R17 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 315/70R17 means

In the size 315/70R17, 315 is the section width in millimeters (12.40 in), 70 is the aspect ratio — the sidewall stands 70% as tall as the tire is wide, or 220.5 mm (8.68 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 34.36 inches, turning roughly 587 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 121 — a maximum load of 3,197 lbs per tire, or 118 (2,910 lbs) per tire when mounted as duals. The speed symbol S corresponds to a maximum sustained speed of 112 mph.

Specifications

Frequently asked questions

What are the treadwear and warranty ratings on the Continental TerrainContact A/T?

This tire carries a treadwear grade of 680, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 60K.

What does 121/118S mean on the Continental TerrainContact A/T?

121/118S breaks down as load index 121 — rated for 3,197 lbs per tire (118, or 2,910 lbs, in dual fitment) — with an S speed rating, good for a maximum sustained 112 mph.

What kind of tire is the Continental TerrainContact A/T?

The Continental TerrainContact A/T in 315/70R17 is a all terrain tire.

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