Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/80-16 | 70/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.67 (550.4) | 20.41 (518.4) | -1.26 (-32) -5.8% |
| Width inches (mm) | 3.54 (90) | 2.76 (70) | -0.79 (-20) -22.2% |
| Circum. inches (mm) | 68.08 (1729.13) | 64.12 (1628.6) | -3.96 (-100.53) -5.8% |
| Sidewall Height inches (mm) | 2.83 (72) | 2.2 (56) | -0.63 (-16) -22.2% |
| Revolutions per mile (km) | 930.72 (578.32) | 988.18 (614.02) | 57.45 (35.7) 6.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.84 mph (30.32 km/h) |
| 25 mph (40.23 km/h) | 23.55 mph (37.89 km/h) |
| 30 mph (48.28 km/h) | 28.26 mph (45.47 km/h) |
| 35 mph (56.33 km/h) | 32.97 mph (53.05 km/h) |
| 40 mph (64.37 km/h) | 37.67 mph (60.63 km/h) |
| 45 mph (72.42 km/h) | 42.38 mph (68.21 km/h) |
| 50 mph (80.47 km/h) | 47.09 mph (75.79 km/h) |
| 55 mph (88.51 km/h) | 51.8 mph (83.37 km/h) |
| 60 mph (96.56 km/h) | 56.51 mph (90.95 km/h) |
| 65 mph (104.61 km/h) | 61.22 mph (98.53 km/h) |
| 70 mph (112.65 km/h) | 65.93 mph (106.1 km/h) |
| 75 mph (120.7 km/h) | 70.64 mph (113.68 km/h) |
| 80 mph (128.75 km/h) | 75.35 mph (121.26 km/h) |
| 85 mph (136.79 km/h) | 80.06 mph (128.84 km/h) |
| 90 mph (144.84 km/h) | 84.77 mph (136.42 km/h) |
| 95 mph (152.89 km/h) | 89.48 mph (144 km/h) |
| 100 mph (160.93 km/h) | 94.19 mph (151.58 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
