Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/75-16 | 285/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.01 (863.9) | 32.83 (833.9) | -1.18 (-30) -3.5% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 106.85 (2714.02) | 103.14 (2619.77) | -3.71 (-94.25) -3.5% |
| Sidewall Height inches (mm) | 9.01 (228.75) | 8.42 (213.75) | -0.59 (-15) -6.6% |
| Revolutions per mile (km) | 592.97 (368.46) | 614.31 (381.71) | 21.33 (13.26) 3.6% |
285/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.84 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.6 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.37 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.14 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.91 km/h) |
| 50 mph (80.47 km/h) | 48.26 mph (77.67 km/h) |
| 55 mph (88.51 km/h) | 53.09 mph (85.44 km/h) |
| 60 mph (96.56 km/h) | 57.92 mph (93.21 km/h) |
| 65 mph (104.61 km/h) | 62.74 mph (100.97 km/h) |
| 70 mph (112.65 km/h) | 67.57 mph (108.74 km/h) |
| 75 mph (120.7 km/h) | 72.4 mph (116.51 km/h) |
| 80 mph (128.75 km/h) | 77.22 mph (124.28 km/h) |
| 85 mph (136.79 km/h) | 82.05 mph (132.04 km/h) |
| 90 mph (144.84 km/h) | 86.87 mph (139.81 km/h) |
| 95 mph (152.89 km/h) | 91.7 mph (147.58 km/h) |
| 100 mph (160.93 km/h) | 96.53 mph (155.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1563 | 1816 | 1956 | 2042 | 2135 | 2202 | 2275 | 2362 | 2481 | 2601 | 2734 | 2841 | 3033 | 3246 | 3413 | 3519 | 3579 | 3798 | 4104 | 4770 |
Better Fuel Economy Factory Ratios Increased Power
