2020 Ram 1500 Classic Wheel & Tire Sizes
Complete fitment guide for the 2020 Ram 1500 Classic: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x139.7 bolt pattern — for every trim.
Bolt Pattern
5x139.7
Centre Bore
77.8 mm
Lug nuts
M14 x 1.5
Torque: 176 Nm
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2020 Ram 1500 Classic
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2020 Ram 1500 Classic Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2020 Ram 1500 Classic configuration.
3.6 Pentastar · Pickup Regular Cab, 2d
3.6L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 7–10" |
| Wheel offset | -6–40 mm |
| Tire width | 255–318 mm |
5.7 HEMI · Pickup Regular Cab, 2d
5.7L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 7–10" |
| Wheel offset | -6–40 mm |
| Tire width | 255–318 mm |
2020 Ram 1500 Classic Fitment FAQ
What is the bolt pattern on a 2020 Ram 1500 Classic?
The 2020 Ram 1500 Classic uses a 5x139.7 bolt pattern (5 lug nuts on a 139.7 mm circle) with a 77.8 mm centre bore.
What size tires fit a 2020 Ram 1500 Classic?
Factory (OEM) tire sizes for the 2020 Ram 1500 Classic include 265/70R17, LT265/70R17, 265/65R18, 255/65R19, 275/60R20, 285/45R22. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2020 Ram 1500 Classic?
Depending on trim, the 2020 Ram 1500 Classic accepts wheels from 17" up to 26" 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 1500 Classic use?
The 2020 Ram 1500 Classic 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.