Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-17 | 135/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.99 (634.8) | 24.44 (620.8) | -0.55 (-14) -2.2% |
| Width inches (mm) | 5.71 (145) | 5.31 (135) | -0.39 (-10) -6.9% |
| Circum. inches (mm) | 78.52 (1994.28) | 76.78 (1950.3) | -1.73 (-43.98) -2.2% |
| Sidewall Height inches (mm) | 4 (101.5) | 3.72 (94.5) | -0.28 (-7) -6.9% |
| Revolutions per mile (km) | 806.98 (501.43) | 825.18 (512.74) | 18.2 (11.31) 2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.56 mph (31.48 km/h) |
| 25 mph (40.23 km/h) | 24.45 mph (39.35 km/h) |
| 30 mph (48.28 km/h) | 29.34 mph (47.22 km/h) |
| 35 mph (56.33 km/h) | 34.23 mph (55.08 km/h) |
| 40 mph (64.37 km/h) | 39.12 mph (62.95 km/h) |
| 45 mph (72.42 km/h) | 44.01 mph (70.82 km/h) |
| 50 mph (80.47 km/h) | 48.9 mph (78.69 km/h) |
| 55 mph (88.51 km/h) | 53.79 mph (86.56 km/h) |
| 60 mph (96.56 km/h) | 58.68 mph (94.43 km/h) |
| 65 mph (104.61 km/h) | 63.57 mph (102.3 km/h) |
| 70 mph (112.65 km/h) | 68.46 mph (110.17 km/h) |
| 75 mph (120.7 km/h) | 73.35 mph (118.04 km/h) |
| 80 mph (128.75 km/h) | 78.24 mph (125.91 km/h) |
| 85 mph (136.79 km/h) | 83.13 mph (133.78 km/h) |
| 90 mph (144.84 km/h) | 88.02 mph (141.65 km/h) |
| 95 mph (152.89 km/h) | 92.9 mph (149.52 km/h) |
| 100 mph (160.93 km/h) | 97.79 mph (157.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2100 | 2439 | 2627 | 2743 | 2868 | 2958 | 3056 | 3172 | 3333 | 3494 | 3673 | 3816 | 4075 | 4361 | 4584 | 4727 | 4807 | 5102 | 5513 | 6407 |
Better Fuel Economy Factory Ratios Increased Power
