Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/50-16 | 240/70-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.4) | 30.73 (780.5) | 5.28 (134.1) 20.7% |
| Width inches (mm) | 9.45 (240) | 9.45 (240) | 0 (0) 0% |
| Circum. inches (mm) | 79.95 (2030.73) | 96.54 (2452.01) | 16.59 (421.29) 20.7% |
| Sidewall Height inches (mm) | 4.72 (120) | 6.61 (168) | 1.89 (48) 40% |
| Revolutions per mile (km) | 792.5 (492.43) | 656.34 (407.83) | -136.16 (-84.61) -17.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.15 mph (38.86 km/h) |
| 25 mph (40.23 km/h) | 30.19 mph (48.58 km/h) |
| 30 mph (48.28 km/h) | 36.22 mph (58.3 km/h) |
| 35 mph (56.33 km/h) | 42.26 mph (68.01 km/h) |
| 40 mph (64.37 km/h) | 48.3 mph (77.73 km/h) |
| 45 mph (72.42 km/h) | 54.34 mph (87.44 km/h) |
| 50 mph (80.47 km/h) | 60.37 mph (97.16 km/h) |
| 55 mph (88.51 km/h) | 66.41 mph (106.88 km/h) |
| 60 mph (96.56 km/h) | 72.45 mph (116.59 km/h) |
| 65 mph (104.61 km/h) | 78.48 mph (126.31 km/h) |
| 70 mph (112.65 km/h) | 84.52 mph (136.03 km/h) |
| 75 mph (120.7 km/h) | 90.56 mph (145.74 km/h) |
| 80 mph (128.75 km/h) | 96.6 mph (155.46 km/h) |
| 85 mph (136.79 km/h) | 102.63 mph (165.17 km/h) |
| 90 mph (144.84 km/h) | 108.67 mph (174.89 km/h) |
| 95 mph (152.89 km/h) | 114.71 mph (184.61 km/h) |
| 100 mph (160.93 km/h) | 120.75 mph (194.32 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
