2026 INEOS Grenadier Quartermaster Fieldmaster — 255/70R18
2026 INEOS Grenadier Quartermaster Fieldmaster
- Factory size
- 255/70R18
- Load / speed
- 116S
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What size tires does the 2026 INEOS Grenadier Quartermaster Fieldmaster take?
The factory tire size for the 2026 INEOS Grenadier Quartermaster Fieldmaster is 255/70R18.
The catalog lists it at load index 116, speed rating S (up to 112 mph).
This trim is also listed with 265/70R17. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 255/70R18 | 116 | S |
| All wheels | 265/70R17 | 116 | S |
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.