Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/70-17 | 335/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 38.46 (977) | 17.06 (433.2) 79.7% |
| Width inches (mm) | 3.15 (80) | 13.19 (335) | 10.04 (255) 318.8% |
| Circum. inches (mm) | 67.26 (1708.4) | 120.84 (3069.34) | 53.58 (1360.94) 79.7% |
| Sidewall Height inches (mm) | 2.2 (56) | 9.23 (234.5) | 7.03 (178.5) 318.8% |
| Revolutions per mile (km) | 942.02 (585.34) | 524.33 (325.8) | -417.69 (-259.54) -44.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 35.93 mph (57.83 km/h) |
| 25 mph (40.23 km/h) | 44.92 mph (72.28 km/h) |
| 30 mph (48.28 km/h) | 53.9 mph (86.74 km/h) |
| 35 mph (56.33 km/h) | 62.88 mph (101.2 km/h) |
| 40 mph (64.37 km/h) | 71.86 mph (115.66 km/h) |
| 45 mph (72.42 km/h) | 80.85 mph (130.11 km/h) |
| 50 mph (80.47 km/h) | 89.83 mph (144.57 km/h) |
| 55 mph (88.51 km/h) | 98.81 mph (159.03 km/h) |
| 60 mph (96.56 km/h) | 107.8 mph (173.48 km/h) |
| 65 mph (104.61 km/h) | 116.78 mph (187.94 km/h) |
| 70 mph (112.65 km/h) | 125.76 mph (202.4 km/h) |
| 75 mph (120.7 km/h) | 134.75 mph (216.85 km/h) |
| 80 mph (128.75 km/h) | 143.73 mph (231.31 km/h) |
| 85 mph (136.79 km/h) | 152.71 mph (245.77 km/h) |
| 90 mph (144.84 km/h) | 161.7 mph (260.22 km/h) |
| 95 mph (152.89 km/h) | 170.68 mph (274.68 km/h) |
| 100 mph (160.93 km/h) | 179.66 mph (289.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1334 | 1550 | 1669 | 1743 | 1823 | 1879 | 1942 | 2016 | 2118 | 2220 | 2334 | 2424 | 2589 | 2771 | 2913 | 3004 | 3055 | 3242 | 3503 | 4071 |
Better Fuel Economy Factory Ratios Increased Power
