Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 255/85-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 31.07 (789.1) | 5.12 (130.1) 19.7% |
| Width inches (mm) | 7.28 (185) | 10.04 (255) | 2.76 (70) 37.8% |
| Circum. inches (mm) | 81.51 (2070.31) | 97.6 (2479.03) | 16.09 (408.72) 19.7% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 8.53 (216.75) | 2.56 (65.05) 42.9% |
| Revolutions per mile (km) | 777.34 (483.02) | 649.18 (403.38) | -128.16 (-79.64) -16.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.95 mph (38.54 km/h) |
| 25 mph (40.23 km/h) | 29.94 mph (48.18 km/h) |
| 30 mph (48.28 km/h) | 35.92 mph (57.81 km/h) |
| 35 mph (56.33 km/h) | 41.91 mph (67.45 km/h) |
| 40 mph (64.37 km/h) | 47.9 mph (77.08 km/h) |
| 45 mph (72.42 km/h) | 53.88 mph (86.72 km/h) |
| 50 mph (80.47 km/h) | 59.87 mph (96.35 km/h) |
| 55 mph (88.51 km/h) | 65.86 mph (105.99 km/h) |
| 60 mph (96.56 km/h) | 71.85 mph (115.62 km/h) |
| 65 mph (104.61 km/h) | 77.83 mph (125.26 km/h) |
| 70 mph (112.65 km/h) | 83.82 mph (134.89 km/h) |
| 75 mph (120.7 km/h) | 89.81 mph (144.53 km/h) |
| 80 mph (128.75 km/h) | 95.79 mph (154.17 km/h) |
| 85 mph (136.79 km/h) | 101.78 mph (163.8 km/h) |
| 90 mph (144.84 km/h) | 107.77 mph (173.44 km/h) |
| 95 mph (152.89 km/h) | 113.75 mph (183.07 km/h) |
| 100 mph (160.93 km/h) | 119.74 mph (192.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1652 | 1919 | 2067 | 2158 | 2257 | 2327 | 2404 | 2496 | 2622 | 2749 | 2889 | 3002 | 3206 | 3431 | 3606 | 3719 | 3782 | 4014 | 4337 | 5040 |
Better Fuel Economy Factory Ratios Increased Power
