Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10.5-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.93 (810.94) | 32.06 (814.3) | 0.13 (3.36) 0.4% |
| Width inches (mm) | 10.51 (267) | 10.04 (255) | -0.47 (-12) -4.5% |
| Circum. inches (mm) | 100.3 (2547.64) | 100.72 (2558.2) | 0.42 (10.56) 0.4% |
| Sidewall Height inches (mm) | 7.46 (189.57) | 7.53 (191.25) | 0.07 (1.68) 0.9% |
| Revolutions per mile (km) | 631.7 (392.52) | 629.09 (390.9) | -2.61 (-1.62) -0.4% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.08 mph (32.32 km/h) |
| 25 mph (40.23 km/h) | 25.1 mph (40.4 km/h) |
| 30 mph (48.28 km/h) | 30.12 mph (48.48 km/h) |
| 35 mph (56.33 km/h) | 35.15 mph (56.56 km/h) |
| 40 mph (64.37 km/h) | 40.17 mph (64.64 km/h) |
| 45 mph (72.42 km/h) | 45.19 mph (72.72 km/h) |
| 50 mph (80.47 km/h) | 50.21 mph (80.8 km/h) |
| 55 mph (88.51 km/h) | 55.23 mph (88.88 km/h) |
| 60 mph (96.56 km/h) | 60.25 mph (96.96 km/h) |
| 65 mph (104.61 km/h) | 65.27 mph (105.04 km/h) |
| 70 mph (112.65 km/h) | 70.29 mph (113.12 km/h) |
| 75 mph (120.7 km/h) | 75.31 mph (121.2 km/h) |
| 80 mph (128.75 km/h) | 80.33 mph (129.28 km/h) |
| 85 mph (136.79 km/h) | 85.35 mph (137.36 km/h) |
| 90 mph (144.84 km/h) | 90.37 mph (145.44 km/h) |
| 95 mph (152.89 km/h) | 95.39 mph (153.52 km/h) |
| 100 mph (160.93 km/h) | 100.41 mph (161.6 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1601 | 1860 | 2003 | 2091 | 2187 | 2255 | 2330 | 2418 | 2541 | 2664 | 2800 | 2909 | 3106 | 3324 | 3495 | 3604 | 3665 | 3890 | 4203 | 4885 |
Better Fuel Economy Factory Ratios Increased Power
