Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-19.5 | 255/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33 (838.3) | 36.56 (928.5) | 3.55 (90.2) 10.8% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 103.68 (2633.6) | 114.84 (2916.97) | 11.16 (283.37) 10.8% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 7.03 (178.5) | 0.28 (7) 4.1% |
| Revolutions per mile (km) | 611.08 (379.71) | 551.72 (342.82) | -59.36 (-36.89) -9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.15 mph (35.65 km/h) |
| 25 mph (40.23 km/h) | 27.69 mph (44.56 km/h) |
| 30 mph (48.28 km/h) | 33.23 mph (53.48 km/h) |
| 35 mph (56.33 km/h) | 38.77 mph (62.39 km/h) |
| 40 mph (64.37 km/h) | 44.3 mph (71.3 km/h) |
| 45 mph (72.42 km/h) | 49.84 mph (80.21 km/h) |
| 50 mph (80.47 km/h) | 55.38 mph (89.13 km/h) |
| 55 mph (88.51 km/h) | 60.92 mph (98.04 km/h) |
| 60 mph (96.56 km/h) | 66.46 mph (106.95 km/h) |
| 65 mph (104.61 km/h) | 71.99 mph (115.86 km/h) |
| 70 mph (112.65 km/h) | 77.53 mph (124.78 km/h) |
| 75 mph (120.7 km/h) | 83.07 mph (133.69 km/h) |
| 80 mph (128.75 km/h) | 88.61 mph (142.6 km/h) |
| 85 mph (136.79 km/h) | 94.15 mph (151.51 km/h) |
| 90 mph (144.84 km/h) | 99.68 mph (160.43 km/h) |
| 95 mph (152.89 km/h) | 105.22 mph (169.34 km/h) |
| 100 mph (160.93 km/h) | 110.76 mph (178.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1404 | 1631 | 1757 | 1834 | 1918 | 1978 | 2043 | 2121 | 2229 | 2336 | 2456 | 2551 | 2724 | 2916 | 3065 | 3161 | 3214 | 3411 | 3686 | 4284 |
Better Fuel Economy Factory Ratios Increased Power
