Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-13 | 140/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.56 (522.2) | 21.72 (551.6) | 1.16 (29.4) 5.6% |
| Width inches (mm) | 4.72 (120) | 5.51 (140) | 0.79 (20) 16.7% |
| Circum. inches (mm) | 64.59 (1640.54) | 68.22 (1732.9) | 3.64 (92.36) 5.6% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.86 (98) | 0.08 (2) 2.1% |
| Revolutions per mile (km) | 980.98 (609.55) | 928.7 (577.07) | -52.29 (-32.49) -5.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.13 mph (34 km/h) |
| 25 mph (40.23 km/h) | 26.41 mph (42.5 km/h) |
| 30 mph (48.28 km/h) | 31.69 mph (51 km/h) |
| 35 mph (56.33 km/h) | 36.97 mph (59.5 km/h) |
| 40 mph (64.37 km/h) | 42.25 mph (68 km/h) |
| 45 mph (72.42 km/h) | 47.53 mph (76.5 km/h) |
| 50 mph (80.47 km/h) | 52.82 mph (85 km/h) |
| 55 mph (88.51 km/h) | 58.1 mph (93.5 km/h) |
| 60 mph (96.56 km/h) | 63.38 mph (102 km/h) |
| 65 mph (104.61 km/h) | 68.66 mph (110.5 km/h) |
| 70 mph (112.65 km/h) | 73.94 mph (119 km/h) |
| 75 mph (120.7 km/h) | 79.22 mph (127.5 km/h) |
| 80 mph (128.75 km/h) | 84.5 mph (136 km/h) |
| 85 mph (136.79 km/h) | 89.79 mph (144.5 km/h) |
| 90 mph (144.84 km/h) | 95.07 mph (153 km/h) |
| 95 mph (152.89 km/h) | 100.35 mph (161.5 km/h) |
| 100 mph (160.93 km/h) | 105.63 mph (170 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
