Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/80-17 | 90/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.3 (591.8) | 23.38 (593.8) | 0.08 (2) 0.3% |
| Width inches (mm) | 3.94 (100) | 3.54 (90) | -0.39 (-10) -10% |
| Circum. inches (mm) | 73.2 (1859.19) | 73.44 (1865.48) | 0.25 (6.28) 0.3% |
| Sidewall Height inches (mm) | 3.15 (80) | 3.19 (81) | 0.04 (1) 1.3% |
| Revolutions per mile (km) | 865.61 (537.87) | 862.7 (536.05) | -2.92 (-1.81) -0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.07 mph (32.3 km/h) |
| 25 mph (40.23 km/h) | 25.08 mph (40.37 km/h) |
| 30 mph (48.28 km/h) | 30.1 mph (48.44 km/h) |
| 35 mph (56.33 km/h) | 35.12 mph (56.52 km/h) |
| 40 mph (64.37 km/h) | 40.14 mph (64.59 km/h) |
| 45 mph (72.42 km/h) | 45.15 mph (72.67 km/h) |
| 50 mph (80.47 km/h) | 50.17 mph (80.74 km/h) |
| 55 mph (88.51 km/h) | 55.19 mph (88.81 km/h) |
| 60 mph (96.56 km/h) | 60.2 mph (96.89 km/h) |
| 65 mph (104.61 km/h) | 65.22 mph (104.96 km/h) |
| 70 mph (112.65 km/h) | 70.24 mph (113.04 km/h) |
| 75 mph (120.7 km/h) | 75.25 mph (121.11 km/h) |
| 80 mph (128.75 km/h) | 80.27 mph (129.18 km/h) |
| 85 mph (136.79 km/h) | 85.29 mph (137.26 km/h) |
| 90 mph (144.84 km/h) | 90.3 mph (145.33 km/h) |
| 95 mph (152.89 km/h) | 95.32 mph (153.4 km/h) |
| 100 mph (160.93 km/h) | 100.34 mph (161.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2195 | 2550 | 2747 | 2868 | 2999 | 3092 | 3195 | 3316 | 3485 | 3653 | 3840 | 3989 | 4260 | 4559 | 4793 | 4942 | 5026 | 5334 | 5764 | 6698 |
Better Fuel Economy Factory Ratios Increased Power
