Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-15 | 135/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.85 (555) | 21.91 (556.5) | 0.06 (1.5) 0.3% |
| Width inches (mm) | 5.71 (145) | 5.31 (135) | -0.39 (-10) -6.9% |
| Circum. inches (mm) | 68.65 (1743.58) | 68.83 (1748.3) | 0.19 (4.71) 0.3% |
| Sidewall Height inches (mm) | 3.43 (87) | 3.45 (87.75) | 0.03 (0.75) 0.9% |
| Revolutions per mile (km) | 923.01 (573.53) | 920.52 (571.98) | -2.49 (-1.55) -0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.05 mph (32.27 km/h) |
| 25 mph (40.23 km/h) | 25.07 mph (40.34 km/h) |
| 30 mph (48.28 km/h) | 30.08 mph (48.41 km/h) |
| 35 mph (56.33 km/h) | 35.09 mph (56.48 km/h) |
| 40 mph (64.37 km/h) | 40.11 mph (64.55 km/h) |
| 45 mph (72.42 km/h) | 45.12 mph (72.62 km/h) |
| 50 mph (80.47 km/h) | 50.14 mph (80.68 km/h) |
| 55 mph (88.51 km/h) | 55.15 mph (88.75 km/h) |
| 60 mph (96.56 km/h) | 60.16 mph (96.82 km/h) |
| 65 mph (104.61 km/h) | 65.18 mph (104.89 km/h) |
| 70 mph (112.65 km/h) | 70.19 mph (112.96 km/h) |
| 75 mph (120.7 km/h) | 75.2 mph (121.03 km/h) |
| 80 mph (128.75 km/h) | 80.22 mph (129.1 km/h) |
| 85 mph (136.79 km/h) | 85.23 mph (137.16 km/h) |
| 90 mph (144.84 km/h) | 90.24 mph (145.23 km/h) |
| 95 mph (152.89 km/h) | 95.26 mph (153.3 km/h) |
| 100 mph (160.93 km/h) | 100.27 mph (161.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
