Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/70-17 | 100/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.51 (571.8) | 23.3 (591.8) | 0.79 (20) 3.5% |
| Width inches (mm) | 3.94 (100) | 3.94 (100) | 0 (0) 0% |
| Circum. inches (mm) | 70.72 (1796.36) | 73.2 (1859.19) | 2.47 (62.83) 3.5% |
| Sidewall Height inches (mm) | 2.76 (70) | 3.15 (80) | 0.39 (10) 14.3% |
| Revolutions per mile (km) | 895.89 (556.68) | 865.61 (537.87) | -30.28 (-18.81) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.31 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.64 km/h) |
| 30 mph (48.28 km/h) | 31.05 mph (49.97 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.3 km/h) |
| 40 mph (64.37 km/h) | 41.4 mph (66.63 km/h) |
| 45 mph (72.42 km/h) | 46.57 mph (74.95 km/h) |
| 50 mph (80.47 km/h) | 51.75 mph (83.28 km/h) |
| 55 mph (88.51 km/h) | 56.92 mph (91.61 km/h) |
| 60 mph (96.56 km/h) | 62.1 mph (99.94 km/h) |
| 65 mph (104.61 km/h) | 67.27 mph (108.27 km/h) |
| 70 mph (112.65 km/h) | 72.45 mph (116.59 km/h) |
| 75 mph (120.7 km/h) | 77.62 mph (124.92 km/h) |
| 80 mph (128.75 km/h) | 82.8 mph (133.25 km/h) |
| 85 mph (136.79 km/h) | 87.97 mph (141.58 km/h) |
| 90 mph (144.84 km/h) | 93.15 mph (149.91 km/h) |
| 95 mph (152.89 km/h) | 98.32 mph (158.24 km/h) |
| 100 mph (160.93 km/h) | 103.5 mph (166.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2203 | 2559 | 2756 | 2878 | 3009 | 3103 | 3206 | 3328 | 3496 | 3665 | 3853 | 4003 | 4274 | 4574 | 4809 | 4959 | 5043 | 5352 | 5784 | 6721 |
Better Fuel Economy Factory Ratios Increased Power
