Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/70-17 | 365/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 38.56 (979.3) | 17.15 (435.5) 80.1% |
| Width inches (mm) | 3.15 (80) | 14.37 (365) | 11.22 (285) 356.3% |
| Circum. inches (mm) | 67.26 (1708.4) | 121.12 (3076.56) | 53.86 (1368.16) 80.1% |
| Sidewall Height inches (mm) | 2.2 (56) | 10.78 (273.75) | 8.57 (217.75) 388.8% |
| Revolutions per mile (km) | 942.02 (585.34) | 523.1 (325.04) | -418.92 (-260.3) -44.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 36.02 mph (57.96 km/h) |
| 25 mph (40.23 km/h) | 45.02 mph (72.45 km/h) |
| 30 mph (48.28 km/h) | 54.03 mph (86.95 km/h) |
| 35 mph (56.33 km/h) | 63.03 mph (101.44 km/h) |
| 40 mph (64.37 km/h) | 72.03 mph (115.93 km/h) |
| 45 mph (72.42 km/h) | 81.04 mph (130.42 km/h) |
| 50 mph (80.47 km/h) | 90.04 mph (144.91 km/h) |
| 55 mph (88.51 km/h) | 99.05 mph (159.4 km/h) |
| 60 mph (96.56 km/h) | 108.05 mph (173.89 km/h) |
| 65 mph (104.61 km/h) | 117.05 mph (188.38 km/h) |
| 70 mph (112.65 km/h) | 126.06 mph (202.87 km/h) |
| 75 mph (120.7 km/h) | 135.06 mph (217.36 km/h) |
| 80 mph (128.75 km/h) | 144.07 mph (231.85 km/h) |
| 85 mph (136.79 km/h) | 153.07 mph (246.35 km/h) |
| 90 mph (144.84 km/h) | 162.08 mph (260.84 km/h) |
| 95 mph (152.89 km/h) | 171.08 mph (275.33 km/h) |
| 100 mph (160.93 km/h) | 180.08 mph (289.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1331 | 1546 | 1665 | 1739 | 1818 | 1875 | 1937 | 2011 | 2113 | 2215 | 2328 | 2419 | 2583 | 2764 | 2906 | 2997 | 3048 | 3234 | 3495 | 4062 |
Better Fuel Economy Factory Ratios Increased Power
