Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-13 | 155/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.5 (546.2) | 20.71 (526.1) | -0.79 (-20.1) -3.7% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 67.56 (1715.94) | 65.07 (1652.79) | -2.49 (-63.15) -3.7% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.36 (85.25) | -0.9 (-22.75) -21.1% |
| Revolutions per mile (km) | 937.88 (582.77) | 973.71 (605.04) | 35.83 (22.27) 3.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (31 km/h) |
| 25 mph (40.23 km/h) | 24.08 mph (38.75 km/h) |
| 30 mph (48.28 km/h) | 28.9 mph (46.5 km/h) |
| 35 mph (56.33 km/h) | 33.71 mph (54.25 km/h) |
| 40 mph (64.37 km/h) | 38.53 mph (62 km/h) |
| 45 mph (72.42 km/h) | 43.34 mph (69.76 km/h) |
| 50 mph (80.47 km/h) | 48.16 mph (77.51 km/h) |
| 55 mph (88.51 km/h) | 52.98 mph (85.26 km/h) |
| 60 mph (96.56 km/h) | 57.79 mph (93.01 km/h) |
| 65 mph (104.61 km/h) | 62.61 mph (100.76 km/h) |
| 70 mph (112.65 km/h) | 67.42 mph (108.51 km/h) |
| 75 mph (120.7 km/h) | 72.24 mph (116.26 km/h) |
| 80 mph (128.75 km/h) | 77.06 mph (124.01 km/h) |
| 85 mph (136.79 km/h) | 81.87 mph (131.76 km/h) |
| 90 mph (144.84 km/h) | 86.69 mph (139.51 km/h) |
| 95 mph (152.89 km/h) | 91.5 mph (147.26 km/h) |
| 100 mph (160.93 km/h) | 96.32 mph (155.01 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
