Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 70/80-17 | 50/100-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 20.94 (531.8) | -0.47 (-12) -2.2% |
| Width inches (mm) | 2.76 (70) | 1.97 (50) | -0.79 (-20) -28.6% |
| Circum. inches (mm) | 67.26 (1708.4) | 65.78 (1670.7) | -1.48 (-37.7) -2.2% |
| Sidewall Height inches (mm) | 2.2 (56) | 1.97 (50) | -0.24 (-6) -10.7% |
| Revolutions per mile (km) | 942.02 (585.34) | 963.28 (598.55) | 21.26 (13.21) 2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.56 mph (31.48 km/h) |
| 25 mph (40.23 km/h) | 24.45 mph (39.35 km/h) |
| 30 mph (48.28 km/h) | 29.34 mph (47.22 km/h) |
| 35 mph (56.33 km/h) | 34.23 mph (55.08 km/h) |
| 40 mph (64.37 km/h) | 39.12 mph (62.95 km/h) |
| 45 mph (72.42 km/h) | 44.01 mph (70.82 km/h) |
| 50 mph (80.47 km/h) | 48.9 mph (78.69 km/h) |
| 55 mph (88.51 km/h) | 53.79 mph (86.56 km/h) |
| 60 mph (96.56 km/h) | 58.68 mph (94.43 km/h) |
| 65 mph (104.61 km/h) | 63.57 mph (102.3 km/h) |
| 70 mph (112.65 km/h) | 68.46 mph (110.17 km/h) |
| 75 mph (120.7 km/h) | 73.34 mph (118.04 km/h) |
| 80 mph (128.75 km/h) | 78.23 mph (125.91 km/h) |
| 85 mph (136.79 km/h) | 83.12 mph (133.78 km/h) |
| 90 mph (144.84 km/h) | 88.01 mph (141.65 km/h) |
| 95 mph (152.89 km/h) | 92.9 mph (149.51 km/h) |
| 100 mph (160.93 km/h) | 97.79 mph (157.38 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
