Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 255/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 30.06 (763.6) | 4.12 (104.6) 15.9% |
| Width inches (mm) | 7.28 (185) | 10.04 (255) | 2.76 (70) 37.8% |
| Circum. inches (mm) | 81.51 (2070.31) | 94.45 (2398.92) | 12.94 (328.61) 15.9% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 8.03 (204) | 2.06 (52.3) 34.5% |
| Revolutions per mile (km) | 777.34 (483.02) | 670.86 (416.85) | -106.48 (-66.17) -13.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.17 mph (37.3 km/h) |
| 25 mph (40.23 km/h) | 28.97 mph (46.62 km/h) |
| 30 mph (48.28 km/h) | 34.76 mph (55.94 km/h) |
| 35 mph (56.33 km/h) | 40.56 mph (65.27 km/h) |
| 40 mph (64.37 km/h) | 46.35 mph (74.59 km/h) |
| 45 mph (72.42 km/h) | 52.14 mph (83.92 km/h) |
| 50 mph (80.47 km/h) | 57.94 mph (93.24 km/h) |
| 55 mph (88.51 km/h) | 63.73 mph (102.56 km/h) |
| 60 mph (96.56 km/h) | 69.52 mph (111.89 km/h) |
| 65 mph (104.61 km/h) | 75.32 mph (121.21 km/h) |
| 70 mph (112.65 km/h) | 81.11 mph (130.54 km/h) |
| 75 mph (120.7 km/h) | 86.9 mph (139.86 km/h) |
| 80 mph (128.75 km/h) | 92.7 mph (149.18 km/h) |
| 85 mph (136.79 km/h) | 98.49 mph (158.51 km/h) |
| 90 mph (144.84 km/h) | 104.29 mph (167.83 km/h) |
| 95 mph (152.89 km/h) | 110.08 mph (177.16 km/h) |
| 100 mph (160.93 km/h) | 115.87 mph (186.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1707 | 1983 | 2136 | 2230 | 2332 | 2405 | 2485 | 2579 | 2710 | 2841 | 2986 | 3102 | 3313 | 3545 | 3727 | 3843 | 3908 | 4148 | 4482 | 5209 |
Better Fuel Economy Factory Ratios Increased Power
