Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-13 | 155/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.85 (504.2) | 21.93 (557.1) | 2.08 (52.9) 10.5% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 62.36 (1583.99) | 68.9 (1750.18) | 6.54 (166.19) 10.5% |
| Sidewall Height inches (mm) | 3.43 (87) | 3.97 (100.75) | 0.54 (13.75) 15.8% |
| Revolutions per mile (km) | 1016.01 (631.32) | 919.53 (571.37) | -96.48 (-59.95) -9.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.1 mph (35.56 km/h) |
| 25 mph (40.23 km/h) | 27.62 mph (44.45 km/h) |
| 30 mph (48.28 km/h) | 33.15 mph (53.35 km/h) |
| 35 mph (56.33 km/h) | 38.67 mph (62.24 km/h) |
| 40 mph (64.37 km/h) | 44.2 mph (71.13 km/h) |
| 45 mph (72.42 km/h) | 49.72 mph (80.02 km/h) |
| 50 mph (80.47 km/h) | 55.25 mph (88.91 km/h) |
| 55 mph (88.51 km/h) | 60.77 mph (97.8 km/h) |
| 60 mph (96.56 km/h) | 66.3 mph (106.69 km/h) |
| 65 mph (104.61 km/h) | 71.82 mph (115.58 km/h) |
| 70 mph (112.65 km/h) | 77.34 mph (124.47 km/h) |
| 75 mph (120.7 km/h) | 82.87 mph (133.36 km/h) |
| 80 mph (128.75 km/h) | 88.39 mph (142.26 km/h) |
| 85 mph (136.79 km/h) | 93.92 mph (151.15 km/h) |
| 90 mph (144.84 km/h) | 99.44 mph (160.04 km/h) |
| 95 mph (152.89 km/h) | 104.97 mph (168.93 km/h) |
| 100 mph (160.93 km/h) | 110.49 mph (177.82 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
