Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 265/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 35.78 (908.8) | 5.01 (127.2) 16.3% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 96.67 (2455.47) | 112.4 (2855.08) | 15.73 (399.61) 16.3% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 9.39 (238.5) | 2.5 (63.6) 36.4% |
| Revolutions per mile (km) | 655.41 (407.25) | 563.68 (350.25) | -91.73 (-57) -14% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.25 mph (37.43 km/h) |
| 25 mph (40.23 km/h) | 29.07 mph (46.78 km/h) |
| 30 mph (48.28 km/h) | 34.88 mph (56.14 km/h) |
| 35 mph (56.33 km/h) | 40.7 mph (65.49 km/h) |
| 40 mph (64.37 km/h) | 46.51 mph (74.85 km/h) |
| 45 mph (72.42 km/h) | 52.32 mph (84.21 km/h) |
| 50 mph (80.47 km/h) | 58.14 mph (93.56 km/h) |
| 55 mph (88.51 km/h) | 63.95 mph (102.92 km/h) |
| 60 mph (96.56 km/h) | 69.76 mph (112.28 km/h) |
| 65 mph (104.61 km/h) | 75.58 mph (121.63 km/h) |
| 70 mph (112.65 km/h) | 81.39 mph (130.99 km/h) |
| 75 mph (120.7 km/h) | 87.21 mph (140.34 km/h) |
| 80 mph (128.75 km/h) | 93.02 mph (149.7 km/h) |
| 85 mph (136.79 km/h) | 98.83 mph (159.06 km/h) |
| 90 mph (144.84 km/h) | 104.65 mph (168.41 km/h) |
| 95 mph (152.89 km/h) | 110.46 mph (177.77 km/h) |
| 100 mph (160.93 km/h) | 116.27 mph (187.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1434 | 1666 | 1795 | 1874 | 1959 | 2020 | 2088 | 2167 | 2277 | 2387 | 2509 | 2606 | 2783 | 2979 | 3131 | 3229 | 3284 | 3485 | 3766 | 4377 |
Better Fuel Economy Factory Ratios Increased Power
