Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 155/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 20.71 (526.1) | -0.71 (-18) -3.3% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 67.3 (1709.34) | 65.07 (1652.79) | -2.23 (-56.55) -3.3% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 3.36 (85.25) | -0.35 (-9) -9.5% |
| Revolutions per mile (km) | 941.5 (585.02) | 973.71 (605.04) | 32.21 (20.02) 3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.12 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.9 km/h) |
| 30 mph (48.28 km/h) | 29.01 mph (46.68 km/h) |
| 35 mph (56.33 km/h) | 33.84 mph (54.46 km/h) |
| 40 mph (64.37 km/h) | 38.68 mph (62.24 km/h) |
| 45 mph (72.42 km/h) | 43.51 mph (70.02 km/h) |
| 50 mph (80.47 km/h) | 48.35 mph (77.81 km/h) |
| 55 mph (88.51 km/h) | 53.18 mph (85.59 km/h) |
| 60 mph (96.56 km/h) | 58.02 mph (93.37 km/h) |
| 65 mph (104.61 km/h) | 62.85 mph (101.15 km/h) |
| 70 mph (112.65 km/h) | 67.68 mph (108.93 km/h) |
| 75 mph (120.7 km/h) | 72.52 mph (116.71 km/h) |
| 80 mph (128.75 km/h) | 77.35 mph (124.49 km/h) |
| 85 mph (136.79 km/h) | 82.19 mph (132.27 km/h) |
| 90 mph (144.84 km/h) | 87.02 mph (140.05 km/h) |
| 95 mph (152.89 km/h) | 91.86 mph (147.83 km/h) |
| 100 mph (160.93 km/h) | 96.69 mph (155.61 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
