2020 Ram 2500 Wheel & Tire Sizes
Complete fitment guide for the 2020 Ram 2500: factory tire sizes, compatible wheel diameters, widths and offsets, and the 8x165.1 bolt pattern, for every trim.
Bolt Pattern
8x165.1
Centre Bore
121.3 mm
Lug nuts
M14 x 1.5
Torque: 176 Nm
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2020 Ram 2500
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2020 Ram 2500 Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2020 Ram 2500 configuration.
6.4 HEMI · Pickup Regular Cab, 2d
6.4L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–28" |
| Wheel width | 7.5–10" |
| Wheel offset | -18–55 mm |
| Tire width | 245–345 mm |
6.7 Cummins · Pickup Regular Cab, 2d
6.7L · I6 · Diesel
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–28" |
| Wheel width | 7.5–10" |
| Wheel offset | -18–55 mm |
| Tire width | 245–345 mm |
2020 Ram 2500 Fitment FAQ
What is the bolt pattern on a 2020 Ram 2500?
The 2020 Ram 2500 uses a 8x165.1 bolt pattern (8 lug nuts on a 165.1 mm circle) with a 121.3 mm centre bore.
What size tires fit a 2020 Ram 2500?
Factory (OEM) tire sizes for the 2020 Ram 2500 include LT245/70R17, LT285/70R17, LT275/70R18, LT285/60R20, LT305/55R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2020 Ram 2500?
Depending on trim, the 2020 Ram 2500 accepts wheels from 17" up to 28" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2020 Ram 2500 use?
The 2020 Ram 2500 uses M14 x 1.5 lug nuts, torqued to 176 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.