Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 33.83 (859.3) | 3.06 (77.7) 9.9% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 96.67 (2455.47) | 106.28 (2699.57) | 9.61 (244.1) 9.9% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 8.42 (213.75) | 1.53 (38.85) 22.2% |
| Revolutions per mile (km) | 655.41 (407.25) | 596.15 (370.43) | -59.26 (-36.82) -9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.99 mph (35.39 km/h) |
| 25 mph (40.23 km/h) | 27.49 mph (44.23 km/h) |
| 30 mph (48.28 km/h) | 32.98 mph (53.08 km/h) |
| 35 mph (56.33 km/h) | 38.48 mph (61.93 km/h) |
| 40 mph (64.37 km/h) | 43.98 mph (70.77 km/h) |
| 45 mph (72.42 km/h) | 49.47 mph (79.62 km/h) |
| 50 mph (80.47 km/h) | 54.97 mph (88.47 km/h) |
| 55 mph (88.51 km/h) | 60.47 mph (97.31 km/h) |
| 60 mph (96.56 km/h) | 65.96 mph (106.16 km/h) |
| 65 mph (104.61 km/h) | 71.46 mph (115.01 km/h) |
| 70 mph (112.65 km/h) | 76.96 mph (123.85 km/h) |
| 75 mph (120.7 km/h) | 82.46 mph (132.7 km/h) |
| 80 mph (128.75 km/h) | 87.95 mph (141.55 km/h) |
| 85 mph (136.79 km/h) | 93.45 mph (150.39 km/h) |
| 90 mph (144.84 km/h) | 98.95 mph (159.24 km/h) |
| 95 mph (152.89 km/h) | 104.44 mph (168.09 km/h) |
| 100 mph (160.93 km/h) | 109.94 mph (176.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
