Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/90-17 | 100/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.38 (593.8) | 23.3 (591.8) | -0.08 (-2) -0.3% |
| Width inches (mm) | 3.54 (90) | 3.94 (100) | 0.39 (10) 11.1% |
| Circum. inches (mm) | 73.44 (1865.48) | 73.2 (1859.19) | -0.25 (-6.28) -0.3% |
| Sidewall Height inches (mm) | 3.19 (81) | 3.15 (80) | -0.04 (-1) -1.2% |
| Revolutions per mile (km) | 862.7 (536.05) | 865.61 (537.87) | 2.92 (1.81) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.93 mph (32.08 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.1 km/h) |
| 30 mph (48.28 km/h) | 29.9 mph (48.12 km/h) |
| 35 mph (56.33 km/h) | 34.88 mph (56.14 km/h) |
| 40 mph (64.37 km/h) | 39.87 mph (64.16 km/h) |
| 45 mph (72.42 km/h) | 44.85 mph (72.18 km/h) |
| 50 mph (80.47 km/h) | 49.83 mph (80.2 km/h) |
| 55 mph (88.51 km/h) | 54.81 mph (88.22 km/h) |
| 60 mph (96.56 km/h) | 59.8 mph (96.24 km/h) |
| 65 mph (104.61 km/h) | 64.78 mph (104.26 km/h) |
| 70 mph (112.65 km/h) | 69.76 mph (112.27 km/h) |
| 75 mph (120.7 km/h) | 74.75 mph (120.29 km/h) |
| 80 mph (128.75 km/h) | 79.73 mph (128.31 km/h) |
| 85 mph (136.79 km/h) | 84.71 mph (136.33 km/h) |
| 90 mph (144.84 km/h) | 89.7 mph (144.35 km/h) |
| 95 mph (152.89 km/h) | 94.68 mph (152.37 km/h) |
| 100 mph (160.93 km/h) | 99.66 mph (160.39 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
