Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/55-16 | 155/50-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.28 (565.9) | 22.1 (561.4) | -0.18 (-4.5) -0.8% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 69.99 (1777.83) | 69.44 (1763.69) | -0.56 (-14.14) -0.8% |
| Sidewall Height inches (mm) | 3.14 (79.75) | 3.05 (77.5) | -0.09 (-2.25) -2.8% |
| Revolutions per mile (km) | 905.23 (562.48) | 912.49 (566.99) | 7.26 (4.51) 0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.84 mph (31.93 km/h) |
| 25 mph (40.23 km/h) | 24.8 mph (39.91 km/h) |
| 30 mph (48.28 km/h) | 29.76 mph (47.9 km/h) |
| 35 mph (56.33 km/h) | 34.72 mph (55.88 km/h) |
| 40 mph (64.37 km/h) | 39.68 mph (63.86 km/h) |
| 45 mph (72.42 km/h) | 44.64 mph (71.84 km/h) |
| 50 mph (80.47 km/h) | 49.6 mph (79.83 km/h) |
| 55 mph (88.51 km/h) | 54.56 mph (87.81 km/h) |
| 60 mph (96.56 km/h) | 59.52 mph (95.79 km/h) |
| 65 mph (104.61 km/h) | 64.48 mph (103.78 km/h) |
| 70 mph (112.65 km/h) | 69.44 mph (111.76 km/h) |
| 75 mph (120.7 km/h) | 74.4 mph (119.74 km/h) |
| 80 mph (128.75 km/h) | 79.36 mph (127.72 km/h) |
| 85 mph (136.79 km/h) | 84.32 mph (135.71 km/h) |
| 90 mph (144.84 km/h) | 89.28 mph (143.69 km/h) |
| 95 mph (152.89 km/h) | 94.24 mph (151.67 km/h) |
| 100 mph (160.93 km/h) | 99.2 mph (159.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2322 | 2698 | 2905 | 3034 | 3172 | 3271 | 3379 | 3508 | 3686 | 3864 | 4061 | 4219 | 4506 | 4822 | 5069 | 5227 | 5316 | 5642 | 6097 | 7085 |
Better Fuel Economy Factory Ratios Increased Power
