Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/90-17 | 70/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.38 (593.8) | 21.96 (557.8) | -1.42 (-36) -6.1% |
| Width inches (mm) | 3.54 (90) | 2.76 (70) | -0.79 (-20) -22.2% |
| Circum. inches (mm) | 73.44 (1865.48) | 68.99 (1752.38) | -4.45 (-113.1) -6.1% |
| Sidewall Height inches (mm) | 3.19 (81) | 2.48 (63) | -0.71 (-18) -22.2% |
| Revolutions per mile (km) | 862.7 (536.05) | 918.38 (570.65) | 55.68 (34.6) 6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.24 km/h) |
| 25 mph (40.23 km/h) | 23.48 mph (37.79 km/h) |
| 30 mph (48.28 km/h) | 28.18 mph (45.35 km/h) |
| 35 mph (56.33 km/h) | 32.88 mph (52.91 km/h) |
| 40 mph (64.37 km/h) | 37.57 mph (60.47 km/h) |
| 45 mph (72.42 km/h) | 42.27 mph (68.03 km/h) |
| 50 mph (80.47 km/h) | 46.97 mph (75.59 km/h) |
| 55 mph (88.51 km/h) | 51.67 mph (83.15 km/h) |
| 60 mph (96.56 km/h) | 56.36 mph (90.71 km/h) |
| 65 mph (104.61 km/h) | 61.06 mph (98.27 km/h) |
| 70 mph (112.65 km/h) | 65.76 mph (105.82 km/h) |
| 75 mph (120.7 km/h) | 70.45 mph (113.38 km/h) |
| 80 mph (128.75 km/h) | 75.15 mph (120.94 km/h) |
| 85 mph (136.79 km/h) | 79.85 mph (128.5 km/h) |
| 90 mph (144.84 km/h) | 84.54 mph (136.06 km/h) |
| 95 mph (152.89 km/h) | 89.24 mph (143.62 km/h) |
| 100 mph (160.93 km/h) | 93.94 mph (151.18 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
