Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-13 | 165/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.5 (546.2) | 23.09 (586.6) | 1.59 (40.4) 7.4% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 67.56 (1715.94) | 72.55 (1842.86) | 5 (126.92) 7.4% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.55 (115.5) | 0.3 (7.5) 6.9% |
| Revolutions per mile (km) | 937.88 (582.77) | 873.29 (542.63) | -64.59 (-40.14) -6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.48 mph (34.57 km/h) |
| 25 mph (40.23 km/h) | 26.85 mph (43.21 km/h) |
| 30 mph (48.28 km/h) | 32.22 mph (51.85 km/h) |
| 35 mph (56.33 km/h) | 37.59 mph (60.49 km/h) |
| 40 mph (64.37 km/h) | 42.96 mph (69.14 km/h) |
| 45 mph (72.42 km/h) | 48.33 mph (77.78 km/h) |
| 50 mph (80.47 km/h) | 53.7 mph (86.42 km/h) |
| 55 mph (88.51 km/h) | 59.07 mph (95.06 km/h) |
| 60 mph (96.56 km/h) | 64.44 mph (103.7 km/h) |
| 65 mph (104.61 km/h) | 69.81 mph (112.34 km/h) |
| 70 mph (112.65 km/h) | 75.18 mph (120.99 km/h) |
| 75 mph (120.7 km/h) | 80.55 mph (129.63 km/h) |
| 80 mph (128.75 km/h) | 85.92 mph (138.27 km/h) |
| 85 mph (136.79 km/h) | 91.29 mph (146.91 km/h) |
| 90 mph (144.84 km/h) | 96.66 mph (155.55 km/h) |
| 95 mph (152.89 km/h) | 102.03 mph (164.2 km/h) |
| 100 mph (160.93 km/h) | 107.4 mph (172.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2222 | 2582 | 2780 | 2903 | 3036 | 3130 | 3234 | 3357 | 3527 | 3698 | 3887 | 4038 | 4312 | 4615 | 4851 | 5003 | 5088 | 5400 | 5835 | 6781 |
Better Fuel Economy Factory Ratios Increased Power
