Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/70-17 | 140/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.72 (627.8) | 22.51 (571.8) | -2.2 (-56) -8.9% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 77.65 (1972.29) | 70.72 (1796.36) | -6.93 (-175.93) -8.9% |
| Sidewall Height inches (mm) | 3.86 (98) | 2.76 (70) | -1.1 (-28) -28.6% |
| Revolutions per mile (km) | 815.98 (507.02) | 895.89 (556.68) | 79.91 (49.66) 9.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.22 mph (29.32 km/h) |
| 25 mph (40.23 km/h) | 22.77 mph (36.64 km/h) |
| 30 mph (48.28 km/h) | 27.32 mph (43.97 km/h) |
| 35 mph (56.33 km/h) | 31.88 mph (51.3 km/h) |
| 40 mph (64.37 km/h) | 36.43 mph (58.63 km/h) |
| 45 mph (72.42 km/h) | 40.99 mph (65.96 km/h) |
| 50 mph (80.47 km/h) | 45.54 mph (73.29 km/h) |
| 55 mph (88.51 km/h) | 50.09 mph (80.62 km/h) |
| 60 mph (96.56 km/h) | 54.65 mph (87.95 km/h) |
| 65 mph (104.61 km/h) | 59.2 mph (95.28 km/h) |
| 70 mph (112.65 km/h) | 63.76 mph (102.61 km/h) |
| 75 mph (120.7 km/h) | 68.31 mph (109.93 km/h) |
| 80 mph (128.75 km/h) | 72.86 mph (117.26 km/h) |
| 85 mph (136.79 km/h) | 77.42 mph (124.59 km/h) |
| 90 mph (144.84 km/h) | 81.97 mph (131.92 km/h) |
| 95 mph (152.89 km/h) | 86.53 mph (139.25 km/h) |
| 100 mph (160.93 km/h) | 91.08 mph (146.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2280 | 2649 | 2852 | 2978 | 3114 | 3211 | 3318 | 3444 | 3619 | 3793 | 3987 | 4143 | 4424 | 4734 | 4977 | 5132 | 5219 | 5540 | 5986 | 6956 |
Better Fuel Economy Factory Ratios Increased Power
