Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/90-17 | 90/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.67 (575.8) | 23.38 (593.8) | 0.71 (18) 3.1% |
| Width inches (mm) | 3.15 (80) | 3.54 (90) | 0.39 (10) 12.5% |
| Circum. inches (mm) | 71.22 (1808.93) | 73.44 (1865.48) | 2.23 (56.55) 3.1% |
| Sidewall Height inches (mm) | 2.83 (72) | 3.19 (81) | 0.35 (9) 12.5% |
| Revolutions per mile (km) | 889.67 (552.81) | 862.7 (536.05) | -26.97 (-16.76) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.63 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.49 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.79 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.09 km/h) |
| 40 mph (64.37 km/h) | 41.25 mph (66.39 km/h) |
| 45 mph (72.42 km/h) | 46.41 mph (74.68 km/h) |
| 50 mph (80.47 km/h) | 51.56 mph (82.98 km/h) |
| 55 mph (88.51 km/h) | 56.72 mph (91.28 km/h) |
| 60 mph (96.56 km/h) | 61.88 mph (99.58 km/h) |
| 65 mph (104.61 km/h) | 67.03 mph (107.88 km/h) |
| 70 mph (112.65 km/h) | 72.19 mph (116.18 km/h) |
| 75 mph (120.7 km/h) | 77.34 mph (124.47 km/h) |
| 80 mph (128.75 km/h) | 82.5 mph (132.77 km/h) |
| 85 mph (136.79 km/h) | 87.66 mph (141.07 km/h) |
| 90 mph (144.84 km/h) | 92.81 mph (149.37 km/h) |
| 95 mph (152.89 km/h) | 97.97 mph (157.67 km/h) |
| 100 mph (160.93 km/h) | 103.13 mph (165.97 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
