Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-17.5 | 255/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.5) | 36.56 (928.5) | 5.55 (141) 17.9% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 97.4 (2474) | 114.84 (2916.97) | 17.44 (442.96) 17.9% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 7.03 (178.5) | 0.28 (7) 4.1% |
| Revolutions per mile (km) | 650.5 (404.2) | 551.72 (342.82) | -98.78 (-61.38) -15.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.58 mph (37.95 km/h) |
| 25 mph (40.23 km/h) | 29.48 mph (47.44 km/h) |
| 30 mph (48.28 km/h) | 35.37 mph (56.92 km/h) |
| 35 mph (56.33 km/h) | 41.27 mph (66.41 km/h) |
| 40 mph (64.37 km/h) | 47.16 mph (75.9 km/h) |
| 45 mph (72.42 km/h) | 53.06 mph (85.39 km/h) |
| 50 mph (80.47 km/h) | 58.95 mph (94.87 km/h) |
| 55 mph (88.51 km/h) | 64.85 mph (104.36 km/h) |
| 60 mph (96.56 km/h) | 70.74 mph (113.85 km/h) |
| 65 mph (104.61 km/h) | 76.64 mph (123.34 km/h) |
| 70 mph (112.65 km/h) | 82.53 mph (132.82 km/h) |
| 75 mph (120.7 km/h) | 88.43 mph (142.31 km/h) |
| 80 mph (128.75 km/h) | 94.32 mph (151.8 km/h) |
| 85 mph (136.79 km/h) | 100.22 mph (161.29 km/h) |
| 90 mph (144.84 km/h) | 106.11 mph (170.77 km/h) |
| 95 mph (152.89 km/h) | 112.01 mph (180.26 km/h) |
| 100 mph (160.93 km/h) | 117.9 mph (189.75 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
