Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/80-16 | 70/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.67 (550.4) | 21.96 (557.8) | 0.29 (7.4) 1.3% |
| Width inches (mm) | 3.54 (90) | 2.76 (70) | -0.79 (-20) -22.2% |
| Circum. inches (mm) | 68.08 (1729.13) | 68.99 (1752.38) | 0.92 (23.25) 1.3% |
| Sidewall Height inches (mm) | 2.83 (72) | 2.48 (63) | -0.35 (-9) -12.5% |
| Revolutions per mile (km) | 930.72 (578.32) | 918.38 (570.65) | -12.35 (-7.67) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.27 mph (32.62 km/h) |
| 25 mph (40.23 km/h) | 25.34 mph (40.77 km/h) |
| 30 mph (48.28 km/h) | 30.4 mph (48.93 km/h) |
| 35 mph (56.33 km/h) | 35.47 mph (57.08 km/h) |
| 40 mph (64.37 km/h) | 40.54 mph (65.24 km/h) |
| 45 mph (72.42 km/h) | 45.61 mph (73.39 km/h) |
| 50 mph (80.47 km/h) | 50.67 mph (81.55 km/h) |
| 55 mph (88.51 km/h) | 55.74 mph (89.7 km/h) |
| 60 mph (96.56 km/h) | 60.81 mph (97.86 km/h) |
| 65 mph (104.61 km/h) | 65.87 mph (106.01 km/h) |
| 70 mph (112.65 km/h) | 70.94 mph (114.17 km/h) |
| 75 mph (120.7 km/h) | 76.01 mph (122.32 km/h) |
| 80 mph (128.75 km/h) | 81.08 mph (130.48 km/h) |
| 85 mph (136.79 km/h) | 86.14 mph (138.63 km/h) |
| 90 mph (144.84 km/h) | 91.21 mph (146.79 km/h) |
| 95 mph (152.89 km/h) | 96.28 mph (154.94 km/h) |
| 100 mph (160.93 km/h) | 101.34 mph (163.1 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
