Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 280/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 36.84 (935.8) | 8.15 (207) 28.4% |
| Width inches (mm) | 6.5 (165) | 11.02 (280) | 4.53 (115) 69.7% |
| Circum. inches (mm) | 90.14 (2289.59) | 115.74 (2939.9) | 25.6 (650.31) 28.4% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 9.92 (252) | 4.07 (103.5) 69.7% |
| Revolutions per mile (km) | 702.9 (436.76) | 547.41 (340.15) | -155.48 (-96.61) -22.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.68 mph (41.33 km/h) |
| 25 mph (40.23 km/h) | 32.1 mph (51.66 km/h) |
| 30 mph (48.28 km/h) | 38.52 mph (61.99 km/h) |
| 35 mph (56.33 km/h) | 44.94 mph (72.33 km/h) |
| 40 mph (64.37 km/h) | 51.36 mph (82.66 km/h) |
| 45 mph (72.42 km/h) | 57.78 mph (92.99 km/h) |
| 50 mph (80.47 km/h) | 64.2 mph (103.32 km/h) |
| 55 mph (88.51 km/h) | 70.62 mph (113.65 km/h) |
| 60 mph (96.56 km/h) | 77.04 mph (123.99 km/h) |
| 65 mph (104.61 km/h) | 83.46 mph (134.32 km/h) |
| 70 mph (112.65 km/h) | 89.88 mph (144.65 km/h) |
| 75 mph (120.7 km/h) | 96.3 mph (154.98 km/h) |
| 80 mph (128.75 km/h) | 102.72 mph (165.32 km/h) |
| 85 mph (136.79 km/h) | 109.14 mph (175.65 km/h) |
| 90 mph (144.84 km/h) | 115.56 mph (185.98 km/h) |
| 95 mph (152.89 km/h) | 121.98 mph (196.31 km/h) |
| 100 mph (160.93 km/h) | 128.4 mph (206.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1393 | 1618 | 1743 | 1820 | 1903 | 1962 | 2027 | 2104 | 2211 | 2318 | 2436 | 2531 | 2703 | 2893 | 3041 | 3136 | 3189 | 3385 | 3658 | 4250 |
Better Fuel Economy Factory Ratios Increased Power
