Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 140/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 22.82 (579.6) | -3.13 (-79.4) -12% |
| Width inches (mm) | 7.28 (185) | 5.51 (140) | -1.77 (-45) -24.3% |
| Circum. inches (mm) | 81.51 (2070.31) | 71.69 (1820.87) | -9.82 (-249.44) -12% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 4.41 (112) | -1.56 (-39.7) -26.2% |
| Revolutions per mile (km) | 777.34 (483.02) | 883.83 (549.19) | 106.49 (66.17) 13.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.59 mph (28.31 km/h) |
| 25 mph (40.23 km/h) | 21.99 mph (35.39 km/h) |
| 30 mph (48.28 km/h) | 26.39 mph (42.46 km/h) |
| 35 mph (56.33 km/h) | 30.78 mph (49.54 km/h) |
| 40 mph (64.37 km/h) | 35.18 mph (56.62 km/h) |
| 45 mph (72.42 km/h) | 39.58 mph (63.69 km/h) |
| 50 mph (80.47 km/h) | 43.98 mph (70.77 km/h) |
| 55 mph (88.51 km/h) | 48.37 mph (77.85 km/h) |
| 60 mph (96.56 km/h) | 52.77 mph (84.93 km/h) |
| 65 mph (104.61 km/h) | 57.17 mph (92 km/h) |
| 70 mph (112.65 km/h) | 61.57 mph (99.08 km/h) |
| 75 mph (120.7 km/h) | 65.96 mph (106.16 km/h) |
| 80 mph (128.75 km/h) | 70.36 mph (113.24 km/h) |
| 85 mph (136.79 km/h) | 74.76 mph (120.31 km/h) |
| 90 mph (144.84 km/h) | 79.16 mph (127.39 km/h) |
| 95 mph (152.89 km/h) | 83.55 mph (134.47 km/h) |
| 100 mph (160.93 km/h) | 87.95 mph (141.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2249 | 2613 | 2814 | 2938 | 3072 | 3168 | 3273 | 3398 | 3570 | 3742 | 3934 | 4087 | 4364 | 4671 | 4910 | 5063 | 5149 | 5465 | 5905 | 6862 |
Better Fuel Economy Factory Ratios Increased Power
