2026 Rivian R1S Tri w/All-Terrain Pkg. — 275/65R20
O.E. size · 275/65R20
2026 Rivian R1S Tri w/All-Terrain Pkg.
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What size tires does the 2026 Rivian R1S Tri w/All-Terrain Pkg. take?
The factory tire size for the 2026 Rivian R1S Tri w/All-Terrain Pkg. is 275/65R20.
The catalog lists it at load index 116, speed rating H (up to 130 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 275/65R20 | 116 | H |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.