Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/80-17 | 70/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.04 (559.8) | 21.41 (543.8) | -0.63 (-16) -2.9% |
| Width inches (mm) | 3.15 (80) | 2.76 (70) | -0.39 (-10) -12.5% |
| Circum. inches (mm) | 69.24 (1758.66) | 67.26 (1708.4) | -1.98 (-50.27) -2.9% |
| Sidewall Height inches (mm) | 2.52 (64) | 2.2 (56) | -0.31 (-8) -12.5% |
| Revolutions per mile (km) | 915.09 (568.61) | 942.02 (585.34) | 26.92 (16.73) 2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.43 mph (31.27 km/h) |
| 25 mph (40.23 km/h) | 24.29 mph (39.08 km/h) |
| 30 mph (48.28 km/h) | 29.14 mph (46.9 km/h) |
| 35 mph (56.33 km/h) | 34 mph (54.72 km/h) |
| 40 mph (64.37 km/h) | 38.86 mph (62.53 km/h) |
| 45 mph (72.42 km/h) | 43.71 mph (70.35 km/h) |
| 50 mph (80.47 km/h) | 48.57 mph (78.17 km/h) |
| 55 mph (88.51 km/h) | 53.43 mph (85.98 km/h) |
| 60 mph (96.56 km/h) | 58.29 mph (93.8 km/h) |
| 65 mph (104.61 km/h) | 63.14 mph (101.62 km/h) |
| 70 mph (112.65 km/h) | 68 mph (109.43 km/h) |
| 75 mph (120.7 km/h) | 72.86 mph (117.25 km/h) |
| 80 mph (128.75 km/h) | 77.71 mph (125.07 km/h) |
| 85 mph (136.79 km/h) | 82.57 mph (132.88 km/h) |
| 90 mph (144.84 km/h) | 87.43 mph (140.7 km/h) |
| 95 mph (152.89 km/h) | 92.28 mph (148.52 km/h) |
| 100 mph (160.93 km/h) | 97.14 mph (156.33 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
