Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-15 | 145/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.42 (569.5) | 21.85 (555) | -0.57 (-14.5) -2.5% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 70.44 (1789.14) | 68.65 (1743.58) | -1.79 (-45.55) -2.5% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 3.43 (87) | -0.29 (-7.25) -7.7% |
| Revolutions per mile (km) | 899.51 (558.93) | 923.01 (573.53) | 23.5 (14.6) 2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.49 mph (31.37 km/h) |
| 25 mph (40.23 km/h) | 24.36 mph (39.21 km/h) |
| 30 mph (48.28 km/h) | 29.24 mph (47.05 km/h) |
| 35 mph (56.33 km/h) | 34.11 mph (54.89 km/h) |
| 40 mph (64.37 km/h) | 38.98 mph (62.73 km/h) |
| 45 mph (72.42 km/h) | 43.85 mph (70.58 km/h) |
| 50 mph (80.47 km/h) | 48.73 mph (78.42 km/h) |
| 55 mph (88.51 km/h) | 53.6 mph (86.26 km/h) |
| 60 mph (96.56 km/h) | 58.47 mph (94.1 km/h) |
| 65 mph (104.61 km/h) | 63.35 mph (101.94 km/h) |
| 70 mph (112.65 km/h) | 68.22 mph (109.79 km/h) |
| 75 mph (120.7 km/h) | 73.09 mph (117.63 km/h) |
| 80 mph (128.75 km/h) | 77.96 mph (125.47 km/h) |
| 85 mph (136.79 km/h) | 82.84 mph (133.31 km/h) |
| 90 mph (144.84 km/h) | 87.71 mph (141.15 km/h) |
| 95 mph (152.89 km/h) | 92.58 mph (149 km/h) |
| 100 mph (160.93 km/h) | 97.45 mph (156.84 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
