2015 Ram 2500 tire sizes
The 2015 Ram 2500 came from the factory with 4 tire sizes on 17" to 20" wheels. The most common size is 275/70 R18. Pick your trim below.
2015 2500 Big Horn
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2015 2500 Laramie
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2015 2500 Laramie Limited
Factory (OE) sizes
20"wheels
2015 2500 Laramie Longhorn
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2015 2500 Lone Star
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2015 2500 Outdoorsman
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2015 2500 Power Wagon
Factory (OE) sizes
17"wheels
2015 2500 SLT
Factory (OE) sizes
18"wheels
Optional sizes
20"wheels
2015 2500 ST
Factory (OE) sizes
17"wheels
Optional sizes
18"wheels
2015 2500 Tradesman
Factory (OE) sizes
17"wheels
Optional sizes
18"wheels
How to read 275/70 R18
- 275
- Tread width in millimetres
- 70
- Sidewall height, % of width
- R
- Radial construction
- 18
- Wheel diameter in inches
Overall diameter: about 33.2" · Sidewall: 193 mm