Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-17 | 170/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.61 (599.8) | 25.03 (635.8) | 1.42 (36) 6% |
| Width inches (mm) | 5.51 (140) | 6.69 (170) | 1.18 (30) 21.4% |
| Circum. inches (mm) | 74.19 (1884.33) | 78.64 (1997.42) | 4.45 (113.1) 6% |
| Sidewall Height inches (mm) | 3.31 (84) | 4.02 (102) | 0.71 (18) 21.4% |
| Revolutions per mile (km) | 854.07 (530.69) | 805.71 (500.64) | -48.36 (-30.05) -5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.2 mph (34.12 km/h) |
| 25 mph (40.23 km/h) | 26.5 mph (42.65 km/h) |
| 30 mph (48.28 km/h) | 31.8 mph (51.18 km/h) |
| 35 mph (56.33 km/h) | 37.1 mph (59.71 km/h) |
| 40 mph (64.37 km/h) | 42.4 mph (68.24 km/h) |
| 45 mph (72.42 km/h) | 47.7 mph (76.77 km/h) |
| 50 mph (80.47 km/h) | 53 mph (85.3 km/h) |
| 55 mph (88.51 km/h) | 58.3 mph (93.83 km/h) |
| 60 mph (96.56 km/h) | 63.6 mph (102.36 km/h) |
| 65 mph (104.61 km/h) | 68.9 mph (110.89 km/h) |
| 70 mph (112.65 km/h) | 74.2 mph (119.42 km/h) |
| 75 mph (120.7 km/h) | 79.5 mph (127.95 km/h) |
| 80 mph (128.75 km/h) | 84.8 mph (136.48 km/h) |
| 85 mph (136.79 km/h) | 90.1 mph (145 km/h) |
| 90 mph (144.84 km/h) | 95.4 mph (153.53 km/h) |
| 95 mph (152.89 km/h) | 100.7 mph (162.06 km/h) |
| 100 mph (160.93 km/h) | 106 mph (170.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2050 | 2382 | 2565 | 2679 | 2801 | 2888 | 2984 | 3097 | 3254 | 3411 | 3586 | 3726 | 3979 | 4258 | 4476 | 4616 | 4694 | 4982 | 5383 | 6256 |
Better Fuel Economy Factory Ratios Increased Power
