INEOS Grenadier Wheels and Tires: Complete Guide to Sizes, Upgrades & What Actually Fits

The INEOS Grenadier ships with a solid wheel and tire package from the factory, but one of the first questions every new owner asks is the same: how big can I go? The answer depends on whether you keep the stock wheels, whether you're willing to add a lift, and whether you care about the spare tire clearing the rear door. This guide covers all of it — stock specifications, proven upgrade sizes, aftermarket wheel options, and the real-world fitment lessons owners have learned the hard way.

Stock Wheel and Tire Specifications

Before upsizing anything, you need to know exactly what the Grenadier ships with. The factory setup varies slightly depending on your trim and wheel choice.

The 6x130 bolt pattern is shared with the Mercedes Sprinter. That detail matters because it dramatically widens your aftermarket wheel options — any wheel made for the Sprinter in 6x130 will physically bolt onto the Grenadier.

Tire Sizing: What Actually Fits Without Modification

This is the section most owners come here for. The Grenadier's wheel wells are reasonably generous, but there are hard limits — and the spare tire mounted on the rear door introduces a second constraint most people forget about.

On Stock Suspension, No Modifications

The sweet spot for most owners is either 285/70R17 (a 33" tire) or 285/75R17 (a 34" tire). Both fit on the factory 17" wheels without rubbing at full steering lock on stock suspension.

Both of those options fit without any lift.

— anand, TheIneosForum.com (Photo Contest Winner, Grenadier & Sprinter owner)

The 255/85R17 — The "Tall and Narrow" Option

This size has developed a dedicated following among Grenadier owners. The Mickey Thompson Baja Boss in 255/85R17 measures 34.6" tall — slightly taller than most tires marketed as "35-inch." But the sectional width at street pressure is only 9.8 inches, which is narrower than the stock 265/70R17. That narrow profile means no rubbing, even at full steering lock and full articulation on stock suspension.

The 255/85 tire does not rub even at full steering lock and full articulation and can be run on the stock suspension without a lift. It is the tire that I am currently running and I love it.

— Commodore, TheIneosForum.com

The catch: the spare tire won't clear the rear door at this size. You'll need a tire relocation bracket — Leitner Designs makes one for the Grenadier (around $200) that shifts the spare up and to the right. Easy install, and it also improves reverse camera visibility.

Aftermarket Wheel Options

The 6x130 bolt pattern shared with the Sprinter is both a blessing and a limitation. Blessing: decades of Sprinter aftermarket wheel development transfer directly to the Grenadier. Limitation: it's not as common as 6x139.7 or 5x150, so the selection is smaller than what Toyota or Jeep owners get.

Popular Aftermarket Wheels for the Grenadier

Note that most aftermarket wheels use a lower offset than stock (+35 to +38mm vs. the factory +55mm). This pushes the wheel face outboard, giving a wider stance and slightly more clearance inside the wheel well. The trade-off: a lower offset moves the scrub radius, which can increase steering effort and feedback through the wheel on rough terrain. For most owners on a 2.5" lift or less, the difference is minimal.

If you are hunting for wheels in online comparators enter Mercedes Sprinter, as long as they are 17" or bigger and are 6x130 PCD then they should work.

— frankkk, TheIneosForum.com

Tire Recommendations by Use Case

The Grenadier community has converged around a few tire models depending on how the truck gets used.

Stick with the Bridgestone Dueler A/T (the Fieldmaster OEM tire) or the Falken Wildpeak A/T4W. Both are quiet on pavement, have 3-peak mountain snowflake ratings, and handle light trails without drama. The Bridgestone wears well to around 70,000 km before the ride hardens noticeably.

If you are going to be driving mainly on sealed roads with the occasional offroad, the Bridgestone A/T "dueler" is more than adequate. In fact for higher cruising speeds and wet weather, it's probably better than the KO2.

— DenisM, TheIneosForum.com

The BFGoodrich All-Terrain T/A KO2 remains the most popular choice. It's the OEM tire on the Trialmaster for a reason — excellent sidewall durability, predictable wet traction, and a tread pattern that clears mud reasonably well. Road noise is moderate. Owners report it reaches peak noise around 40,000 miles.

They aren't the quietest tire in the world but also are not the loudest AT... I put about 15–20k on a set on my Tundra and their sound level was still about the same as at 5–7k miles.

— anand, TheIneosForum.com

The Mickey Thompson Baja Boss A/T in 255/85R17 gives you 34.6 inches of diameter on a narrow 9.8" footprint — no lift required, no rubbing. You'll need the Leitner tire relocation bracket for the spare, and you should confirm your speedometer calibration since you're adding nearly 3 inches of diameter over stock. The Toyo Open Country A/T III in 285/75R17 is another strong choice if you prefer a wider contact patch.

The Spare Tire Problem

The Grenadier mounts its spare tire on the rear door — a design choice that looks great and keeps the undercarriage clean, but creates a hard limit on tire diameter. The factory spare tire carrier was designed around the stock 265/70R17 (31.6" diameter). Going up to 285/75R17 (33.8") gets marginal. Anything at or above 34" and the rear door won't open properly.

Solutions:

• Leitner Designs Tire Relocation Bracket (~$200) — Shifts the mounting point up and right, providing enough clearance for tires up to approximately 35". Easy bolt-on install, no drilling required.
• Aftermarket swing-out spare tire carriers — Several manufacturers are developing rear-mounted swing-away carriers, though availability is still limited in 2026.
• Run a smaller spare — Some owners keep the stock-sized tire as a spare and run larger tires on all four corners. This works as a get-home solution but means driving at reduced speed on a mismatched tire if you get a flat.

Do You Need a Lift?

For tires up to 285/75R17 (34") on stock wheels, you do not need a suspension lift. The Grenadier has enough wheel well clearance to accommodate these sizes without rubbing.

If you want to go to a true 35" tire in a wider profile (like 315/70R17), or if you want to run aggressive negative-offset wheels, a lift becomes necessary. The main options currently available:

• Chelsea Truck Company 30mm Lift Kit — Works with OEM dampers, TUV-approved. Adds enough clearance for 35" tires. More conservative approach.
• MetalCloak 2.5" Game-Changer Kit ($3,100–$3,600) — True dual-rate coil springs with adjustable components. The most comprehensive option currently on the market. Designed to maximize the Grenadier's suspension geometry.
• Eibach lift springs (0–1.5") — A mild lift for owners who want a leveled stance or slight height increase without committing to a full kit.

DVA Mechanics Perspective

If you're building out a Grenadier with a DVA roof rack or accessory carrier, tire and wheel choice matters for your overall vehicle height and weight budget. Our extruded aluminum rack systems add minimal weight compared to steel alternatives, which helps preserve your payload margin when you're also adding heavier wheels and tires. The Grenadier's roof load rating is generous, but every pound saved on the rack is a pound available for gear — or for the heavier wheel-and-tire package you actually want.