Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 60/80-17 | 70/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.78 (527.8) | 21.41 (543.8) | 0.63 (16) 3% |
| Width inches (mm) | 2.36 (60) | 2.76 (70) | 0.39 (10) 16.7% |
| Circum. inches (mm) | 65.28 (1658.13) | 67.26 (1708.4) | 1.98 (50.27) 3% |
| Sidewall Height inches (mm) | 1.89 (48) | 2.2 (56) | 0.31 (8) 16.7% |
| Revolutions per mile (km) | 970.58 (603.09) | 942.02 (585.34) | -28.56 (-17.74) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.16 km/h) |
| 25 mph (40.23 km/h) | 25.76 mph (41.45 km/h) |
| 30 mph (48.28 km/h) | 30.91 mph (49.74 km/h) |
| 35 mph (56.33 km/h) | 36.06 mph (58.03 km/h) |
| 40 mph (64.37 km/h) | 41.21 mph (66.33 km/h) |
| 45 mph (72.42 km/h) | 46.36 mph (74.62 km/h) |
| 50 mph (80.47 km/h) | 51.52 mph (82.91 km/h) |
| 55 mph (88.51 km/h) | 56.67 mph (91.2 km/h) |
| 60 mph (96.56 km/h) | 61.82 mph (99.49 km/h) |
| 65 mph (104.61 km/h) | 66.97 mph (107.78 km/h) |
| 70 mph (112.65 km/h) | 72.12 mph (116.07 km/h) |
| 75 mph (120.7 km/h) | 77.27 mph (124.36 km/h) |
| 80 mph (128.75 km/h) | 82.43 mph (132.65 km/h) |
| 85 mph (136.79 km/h) | 87.58 mph (140.94 km/h) |
| 90 mph (144.84 km/h) | 92.73 mph (149.23 km/h) |
| 95 mph (152.89 km/h) | 97.88 mph (157.52 km/h) |
| 100 mph (160.93 km/h) | 103.03 mph (165.81 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
