Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/85-16 | 285/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.07 (839.9) | 35.07 (890.9) | 2.01 (51) 6.1% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 103.88 (2638.62) | 110.19 (2798.84) | 6.31 (160.22) 6.1% |
| Sidewall Height inches (mm) | 8.53 (216.75) | 9.54 (242.25) | 1 (25.5) 11.8% |
| Revolutions per mile (km) | 609.92 (378.98) | 575 (357.29) | -34.92 (-21.7) -5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.21 mph (34.14 km/h) |
| 25 mph (40.23 km/h) | 26.52 mph (42.68 km/h) |
| 30 mph (48.28 km/h) | 31.82 mph (51.21 km/h) |
| 35 mph (56.33 km/h) | 37.13 mph (59.75 km/h) |
| 40 mph (64.37 km/h) | 42.43 mph (68.28 km/h) |
| 45 mph (72.42 km/h) | 47.73 mph (76.82 km/h) |
| 50 mph (80.47 km/h) | 53.04 mph (85.35 km/h) |
| 55 mph (88.51 km/h) | 58.34 mph (93.89 km/h) |
| 60 mph (96.56 km/h) | 63.64 mph (102.42 km/h) |
| 65 mph (104.61 km/h) | 68.95 mph (110.96 km/h) |
| 70 mph (112.65 km/h) | 74.25 mph (119.49 km/h) |
| 75 mph (120.7 km/h) | 79.55 mph (128.03 km/h) |
| 80 mph (128.75 km/h) | 84.86 mph (136.57 km/h) |
| 85 mph (136.79 km/h) | 90.16 mph (145.1 km/h) |
| 90 mph (144.84 km/h) | 95.46 mph (153.64 km/h) |
| 95 mph (152.89 km/h) | 100.77 mph (162.17 km/h) |
| 100 mph (160.93 km/h) | 106.07 mph (170.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1463 | 1700 | 1831 | 1912 | 1999 | 2061 | 2130 | 2210 | 2323 | 2435 | 2559 | 2659 | 2839 | 3039 | 3194 | 3294 | 3350 | 3555 | 3842 | 4465 |
Better Fuel Economy Factory Ratios Increased Power
