Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 260/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 34.4 (873.8) | 5.71 (145) 19.9% |
| Width inches (mm) | 6.5 (165) | 10.24 (260) | 3.74 (95) 57.6% |
| Circum. inches (mm) | 90.14 (2289.59) | 108.08 (2745.12) | 17.93 (455.53) 19.9% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 8.7 (221) | 2.85 (72.5) 48.8% |
| Revolutions per mile (km) | 702.9 (436.76) | 586.26 (364.28) | -116.64 (-72.48) -16.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.98 mph (38.59 km/h) |
| 25 mph (40.23 km/h) | 29.97 mph (48.24 km/h) |
| 30 mph (48.28 km/h) | 35.97 mph (57.89 km/h) |
| 35 mph (56.33 km/h) | 41.96 mph (67.53 km/h) |
| 40 mph (64.37 km/h) | 47.96 mph (77.18 km/h) |
| 45 mph (72.42 km/h) | 53.95 mph (86.83 km/h) |
| 50 mph (80.47 km/h) | 59.95 mph (96.48 km/h) |
| 55 mph (88.51 km/h) | 65.94 mph (106.12 km/h) |
| 60 mph (96.56 km/h) | 71.94 mph (115.77 km/h) |
| 65 mph (104.61 km/h) | 77.93 mph (125.42 km/h) |
| 70 mph (112.65 km/h) | 83.93 mph (135.07 km/h) |
| 75 mph (120.7 km/h) | 89.92 mph (144.72 km/h) |
| 80 mph (128.75 km/h) | 95.92 mph (154.36 km/h) |
| 85 mph (136.79 km/h) | 101.91 mph (164.01 km/h) |
| 90 mph (144.84 km/h) | 107.91 mph (173.66 km/h) |
| 95 mph (152.89 km/h) | 113.9 mph (183.31 km/h) |
| 100 mph (160.93 km/h) | 119.9 mph (192.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1492 | 1733 | 1866 | 1949 | 2038 | 2101 | 2171 | 2254 | 2368 | 2482 | 2609 | 2711 | 2895 | 3098 | 3257 | 3358 | 3416 | 3625 | 3917 | 4552 |
Better Fuel Economy Factory Ratios Increased Power
