Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-13 | 155/40-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.85 (504.2) | 17.88 (454.2) | -1.97 (-50) -9.9% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 62.36 (1583.99) | 56.18 (1426.91) | -6.18 (-157.08) -9.9% |
| Sidewall Height inches (mm) | 3.43 (87) | 2.44 (62) | -0.98 (-25) -28.7% |
| Revolutions per mile (km) | 1016.01 (631.32) | 1127.85 (700.81) | 111.85 (69.5) 11% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.02 mph (29 km/h) |
| 25 mph (40.23 km/h) | 22.52 mph (36.24 km/h) |
| 30 mph (48.28 km/h) | 27.02 mph (43.49 km/h) |
| 35 mph (56.33 km/h) | 31.53 mph (50.74 km/h) |
| 40 mph (64.37 km/h) | 36.03 mph (57.99 km/h) |
| 45 mph (72.42 km/h) | 40.54 mph (65.24 km/h) |
| 50 mph (80.47 km/h) | 45.04 mph (72.49 km/h) |
| 55 mph (88.51 km/h) | 49.55 mph (79.74 km/h) |
| 60 mph (96.56 km/h) | 54.05 mph (86.99 km/h) |
| 65 mph (104.61 km/h) | 58.55 mph (94.23 km/h) |
| 70 mph (112.65 km/h) | 63.06 mph (101.48 km/h) |
| 75 mph (120.7 km/h) | 67.56 mph (108.73 km/h) |
| 80 mph (128.75 km/h) | 72.07 mph (115.98 km/h) |
| 85 mph (136.79 km/h) | 76.57 mph (123.23 km/h) |
| 90 mph (144.84 km/h) | 81.07 mph (130.48 km/h) |
| 95 mph (152.89 km/h) | 85.58 mph (137.73 km/h) |
| 100 mph (160.93 km/h) | 90.08 mph (144.98 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
