Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 255/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 32.07 (814.6) | 6.13 (155.6) 23.6% |
| Width inches (mm) | 7.28 (185) | 10.04 (255) | 2.76 (70) 37.8% |
| Circum. inches (mm) | 81.51 (2070.31) | 100.75 (2559.14) | 19.25 (488.83) 23.6% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 9.04 (229.5) | 3.06 (77.8) 51.3% |
| Revolutions per mile (km) | 777.34 (483.02) | 628.86 (390.76) | -148.48 (-92.26) -19.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.72 mph (39.79 km/h) |
| 25 mph (40.23 km/h) | 30.9 mph (49.73 km/h) |
| 30 mph (48.28 km/h) | 37.08 mph (59.68 km/h) |
| 35 mph (56.33 km/h) | 43.26 mph (69.63 km/h) |
| 40 mph (64.37 km/h) | 49.44 mph (79.57 km/h) |
| 45 mph (72.42 km/h) | 55.63 mph (89.52 km/h) |
| 50 mph (80.47 km/h) | 61.81 mph (99.47 km/h) |
| 55 mph (88.51 km/h) | 67.99 mph (109.41 km/h) |
| 60 mph (96.56 km/h) | 74.17 mph (119.36 km/h) |
| 65 mph (104.61 km/h) | 80.35 mph (129.31 km/h) |
| 70 mph (112.65 km/h) | 86.53 mph (139.25 km/h) |
| 75 mph (120.7 km/h) | 92.71 mph (149.2 km/h) |
| 80 mph (128.75 km/h) | 98.89 mph (159.15 km/h) |
| 85 mph (136.79 km/h) | 105.07 mph (169.09 km/h) |
| 90 mph (144.84 km/h) | 111.25 mph (179.04 km/h) |
| 95 mph (152.89 km/h) | 117.43 mph (188.99 km/h) |
| 100 mph (160.93 km/h) | 123.61 mph (198.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1600 | 1859 | 2002 | 2091 | 2186 | 2254 | 2329 | 2418 | 2540 | 2663 | 2799 | 2908 | 3105 | 3323 | 3493 | 3602 | 3664 | 3888 | 4202 | 4883 |
Better Fuel Economy Factory Ratios Increased Power
