Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/80-16 | 100/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.67 (550.4) | 20.3 (515.6) | -1.37 (-34.8) -6.3% |
| Width inches (mm) | 3.54 (90) | 3.94 (100) | 0.39 (10) 11.1% |
| Circum. inches (mm) | 68.08 (1729.13) | 63.77 (1619.81) | -4.3 (-109.33) -6.3% |
| Sidewall Height inches (mm) | 2.83 (72) | 3.15 (80) | 0.31 (8) 11.1% |
| Revolutions per mile (km) | 930.72 (578.32) | 993.54 (617.36) | 62.82 (39.03) 6.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.74 mph (30.15 km/h) |
| 25 mph (40.23 km/h) | 23.42 mph (37.69 km/h) |
| 30 mph (48.28 km/h) | 28.1 mph (45.23 km/h) |
| 35 mph (56.33 km/h) | 32.79 mph (52.77 km/h) |
| 40 mph (64.37 km/h) | 37.47 mph (60.3 km/h) |
| 45 mph (72.42 km/h) | 42.15 mph (67.84 km/h) |
| 50 mph (80.47 km/h) | 46.84 mph (75.38 km/h) |
| 55 mph (88.51 km/h) | 51.52 mph (82.92 km/h) |
| 60 mph (96.56 km/h) | 56.21 mph (90.46 km/h) |
| 65 mph (104.61 km/h) | 60.89 mph (97.99 km/h) |
| 70 mph (112.65 km/h) | 65.57 mph (105.53 km/h) |
| 75 mph (120.7 km/h) | 70.26 mph (113.07 km/h) |
| 80 mph (128.75 km/h) | 74.94 mph (120.61 km/h) |
| 85 mph (136.79 km/h) | 79.63 mph (128.15 km/h) |
| 90 mph (144.84 km/h) | 84.31 mph (135.68 km/h) |
| 95 mph (152.89 km/h) | 88.99 mph (143.22 km/h) |
| 100 mph (160.93 km/h) | 93.68 mph (150.76 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
