Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/70-17 | 80/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.51 (571.8) | 22.67 (575.8) | 0.16 (4) 0.7% |
| Width inches (mm) | 3.94 (100) | 3.15 (80) | -0.79 (-20) -20% |
| Circum. inches (mm) | 70.72 (1796.36) | 71.22 (1808.93) | 0.49 (12.57) 0.7% |
| Sidewall Height inches (mm) | 2.76 (70) | 2.83 (72) | 0.08 (2) 2.9% |
| Revolutions per mile (km) | 895.89 (556.68) | 889.67 (552.81) | -6.22 (-3.87) -0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.14 mph (32.41 km/h) |
| 25 mph (40.23 km/h) | 25.17 mph (40.52 km/h) |
| 30 mph (48.28 km/h) | 30.21 mph (48.62 km/h) |
| 35 mph (56.33 km/h) | 35.24 mph (56.72 km/h) |
| 40 mph (64.37 km/h) | 40.28 mph (64.82 km/h) |
| 45 mph (72.42 km/h) | 45.31 mph (72.93 km/h) |
| 50 mph (80.47 km/h) | 50.35 mph (81.03 km/h) |
| 55 mph (88.51 km/h) | 55.38 mph (89.13 km/h) |
| 60 mph (96.56 km/h) | 60.42 mph (97.24 km/h) |
| 65 mph (104.61 km/h) | 65.45 mph (105.34 km/h) |
| 70 mph (112.65 km/h) | 70.49 mph (113.44 km/h) |
| 75 mph (120.7 km/h) | 75.52 mph (121.55 km/h) |
| 80 mph (128.75 km/h) | 80.56 mph (129.65 km/h) |
| 85 mph (136.79 km/h) | 85.59 mph (137.75 km/h) |
| 90 mph (144.84 km/h) | 90.63 mph (145.85 km/h) |
| 95 mph (152.89 km/h) | 95.66 mph (153.96 km/h) |
| 100 mph (160.93 km/h) | 100.7 mph (162.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2264 | 2630 | 2832 | 2958 | 3093 | 3189 | 3295 | 3420 | 3594 | 3767 | 3960 | 4114 | 4393 | 4701 | 4942 | 5096 | 5183 | 5501 | 5944 | 6908 |
Better Fuel Economy Factory Ratios Increased Power
