Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 145/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 24.99 (634.8) | 0.55 (14) 2.3% |
| Width inches (mm) | 5.31 (135) | 5.71 (145) | 0.39 (10) 7.4% |
| Circum. inches (mm) | 76.78 (1950.3) | 78.52 (1994.28) | 1.73 (43.98) 2.3% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4 (101.5) | 0.28 (7) 7.4% |
| Revolutions per mile (km) | 825.18 (512.74) | 806.98 (501.43) | -18.2 (-11.31) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.91 km/h) |
| 25 mph (40.23 km/h) | 25.56 mph (41.14 km/h) |
| 30 mph (48.28 km/h) | 30.68 mph (49.37 km/h) |
| 35 mph (56.33 km/h) | 35.79 mph (57.6 km/h) |
| 40 mph (64.37 km/h) | 40.9 mph (65.83 km/h) |
| 45 mph (72.42 km/h) | 46.01 mph (74.05 km/h) |
| 50 mph (80.47 km/h) | 51.13 mph (82.28 km/h) |
| 55 mph (88.51 km/h) | 56.24 mph (90.51 km/h) |
| 60 mph (96.56 km/h) | 61.35 mph (98.74 km/h) |
| 65 mph (104.61 km/h) | 66.47 mph (106.97 km/h) |
| 70 mph (112.65 km/h) | 71.58 mph (115.19 km/h) |
| 75 mph (120.7 km/h) | 76.69 mph (123.42 km/h) |
| 80 mph (128.75 km/h) | 81.8 mph (131.65 km/h) |
| 85 mph (136.79 km/h) | 86.92 mph (139.88 km/h) |
| 90 mph (144.84 km/h) | 92.03 mph (148.11 km/h) |
| 95 mph (152.89 km/h) | 97.14 mph (156.34 km/h) |
| 100 mph (160.93 km/h) | 102.26 mph (164.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2054 | 2386 | 2569 | 2683 | 2805 | 2893 | 2989 | 3102 | 3260 | 3417 | 3592 | 3731 | 3985 | 4265 | 4483 | 4623 | 4701 | 4990 | 5392 | 6266 |
Better Fuel Economy Factory Ratios Increased Power
