Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 165/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 21.15 (537.1) | 0.7 (17.9) 3.4% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 64.22 (1631.11) | 66.43 (1687.35) | 2.21 (56.23) 3.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.57 (90.75) | -0.15 (-3.75) -4% |
| Revolutions per mile (km) | 986.65 (613.08) | 953.77 (592.64) | -32.88 (-20.43) -3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.3 km/h) |
| 25 mph (40.23 km/h) | 25.86 mph (41.62 km/h) |
| 30 mph (48.28 km/h) | 31.03 mph (49.94 km/h) |
| 35 mph (56.33 km/h) | 36.21 mph (58.27 km/h) |
| 40 mph (64.37 km/h) | 41.38 mph (66.59 km/h) |
| 45 mph (72.42 km/h) | 46.55 mph (74.92 km/h) |
| 50 mph (80.47 km/h) | 51.72 mph (83.24 km/h) |
| 55 mph (88.51 km/h) | 56.9 mph (91.57 km/h) |
| 60 mph (96.56 km/h) | 62.07 mph (99.89 km/h) |
| 65 mph (104.61 km/h) | 67.24 mph (108.21 km/h) |
| 70 mph (112.65 km/h) | 72.41 mph (116.54 km/h) |
| 75 mph (120.7 km/h) | 77.59 mph (124.86 km/h) |
| 80 mph (128.75 km/h) | 82.76 mph (133.19 km/h) |
| 85 mph (136.79 km/h) | 87.93 mph (141.51 km/h) |
| 90 mph (144.84 km/h) | 93.1 mph (149.83 km/h) |
| 95 mph (152.89 km/h) | 98.28 mph (158.16 km/h) |
| 100 mph (160.93 km/h) | 103.45 mph (166.48 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
