2018 Ram C/V Wheel & Tire Sizes
Complete fitment guide for the 2018 Ram C/V: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x127 bolt pattern — for every trim.
Bolt Pattern
5x127
Centre Bore
71.5 mm
Lug nuts
M12 x 1.5
Wheel Diameters
16"–20"
Factory (OEM) Tire Sizes for the 2018 Ram C/V
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 Ram C/V Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 Ram C/V configuration.
3.0 EcoDiesel · MCV, 5d
3.0L · V6 · Diesel
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 16–20" |
| Wheel width | 6.5–8.5" |
| Wheel offset | 30–45 mm |
| Tire width | 225–245 mm |
3.6 Pentastar · MCV, 5d
3.6L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 16–20" |
| Wheel width | 6.5–8.5" |
| Wheel offset | 30–45 mm |
| Tire width | 225–245 mm |
2018 Ram C/V Fitment FAQ
What is the bolt pattern on a 2018 Ram C/V?
The 2018 Ram C/V uses a 5x127 bolt pattern (5 lug nuts on a 127 mm circle) with a 71.5 mm centre bore.
What size tires fit a 2018 Ram C/V?
Factory (OEM) tire sizes for the 2018 Ram C/V include 225/65R16, 225/65R17, 245/60R17, 225/60R18, 245/55R18, 225/55R19, 245/55R19, 245/50R19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 Ram C/V?
Depending on trim, the 2018 Ram C/V accepts wheels from 16" up to 20" 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 2018 Ram C/V use?
The 2018 Ram C/V uses M12 x 1.5 lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.