Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 225/75-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 30.79 (782) | -0.18 (-4.6) -0.6% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 97.29 (2471.18) | 96.72 (2456.73) | -0.57 (-14.45) -0.6% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 6.64 (168.75) | -0.59 (-15) -8.2% |
| Revolutions per mile (km) | 651.25 (404.66) | 655.08 (407.05) | 3.83 (2.38) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (32 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (40 km/h) |
| 30 mph (48.28 km/h) | 29.82 mph (48 km/h) |
| 35 mph (56.33 km/h) | 34.8 mph (56 km/h) |
| 40 mph (64.37 km/h) | 39.77 mph (64 km/h) |
| 45 mph (72.42 km/h) | 44.74 mph (72 km/h) |
| 50 mph (80.47 km/h) | 49.71 mph (80 km/h) |
| 55 mph (88.51 km/h) | 54.68 mph (88 km/h) |
| 60 mph (96.56 km/h) | 59.65 mph (96 km/h) |
| 65 mph (104.61 km/h) | 64.62 mph (104 km/h) |
| 70 mph (112.65 km/h) | 69.59 mph (112 km/h) |
| 75 mph (120.7 km/h) | 74.56 mph (120 km/h) |
| 80 mph (128.75 km/h) | 79.53 mph (127.99 km/h) |
| 85 mph (136.79 km/h) | 84.5 mph (135.99 km/h) |
| 90 mph (144.84 km/h) | 89.47 mph (143.99 km/h) |
| 95 mph (152.89 km/h) | 94.44 mph (151.99 km/h) |
| 100 mph (160.93 km/h) | 99.42 mph (159.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1667 | 1937 | 2086 | 2178 | 2277 | 2348 | 2426 | 2518 | 2646 | 2774 | 2916 | 3029 | 3235 | 3462 | 3639 | 3753 | 3816 | 4051 | 4377 | 5086 |
Better Fuel Economy Factory Ratios Increased Power
