Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-17.5 | 240/70-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.5) | 30.73 (780.5) | -0.28 (-7) -0.9% |
| Width inches (mm) | 9.65 (245) | 9.45 (240) | -0.2 (-5) -2% |
| Circum. inches (mm) | 97.4 (2474) | 96.54 (2452.01) | -0.87 (-21.99) -0.9% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 6.61 (168) | -0.14 (-3.5) -2% |
| Revolutions per mile (km) | 650.5 (404.2) | 656.34 (407.83) | 5.83 (3.63) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.82 mph (31.9 km/h) |
| 25 mph (40.23 km/h) | 24.78 mph (39.88 km/h) |
| 30 mph (48.28 km/h) | 29.73 mph (47.85 km/h) |
| 35 mph (56.33 km/h) | 34.69 mph (55.83 km/h) |
| 40 mph (64.37 km/h) | 39.64 mph (63.8 km/h) |
| 45 mph (72.42 km/h) | 44.6 mph (71.78 km/h) |
| 50 mph (80.47 km/h) | 49.56 mph (79.75 km/h) |
| 55 mph (88.51 km/h) | 54.51 mph (87.73 km/h) |
| 60 mph (96.56 km/h) | 59.47 mph (95.7 km/h) |
| 65 mph (104.61 km/h) | 64.42 mph (103.68 km/h) |
| 70 mph (112.65 km/h) | 69.38 mph (111.65 km/h) |
| 75 mph (120.7 km/h) | 74.33 mph (119.63 km/h) |
| 80 mph (128.75 km/h) | 79.29 mph (127.6 km/h) |
| 85 mph (136.79 km/h) | 84.24 mph (135.58 km/h) |
| 90 mph (144.84 km/h) | 89.2 mph (143.55 km/h) |
| 95 mph (152.89 km/h) | 94.16 mph (151.53 km/h) |
| 100 mph (160.93 km/h) | 99.11 mph (159.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1670 | 1940 | 2090 | 2182 | 2281 | 2353 | 2431 | 2523 | 2651 | 2779 | 2921 | 3035 | 3241 | 3468 | 3646 | 3760 | 3824 | 4058 | 4385 | 5096 |
Better Fuel Economy Factory Ratios Increased Power
