Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 185/40-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 19.83 (503.6) | -6.12 (-155.4) -23.6% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 81.51 (2070.31) | 62.29 (1582.11) | -19.22 (-488.2) -23.6% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 2.91 (74) | -3.06 (-77.7) -51.2% |
| Revolutions per mile (km) | 777.34 (483.02) | 1017.22 (632.07) | 239.87 (149.05) 30.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.28 mph (24.6 km/h) |
| 25 mph (40.23 km/h) | 19.1 mph (30.75 km/h) |
| 30 mph (48.28 km/h) | 22.93 mph (36.9 km/h) |
| 35 mph (56.33 km/h) | 26.75 mph (43.04 km/h) |
| 40 mph (64.37 km/h) | 30.57 mph (49.19 km/h) |
| 45 mph (72.42 km/h) | 34.39 mph (55.34 km/h) |
| 50 mph (80.47 km/h) | 38.21 mph (61.49 km/h) |
| 55 mph (88.51 km/h) | 42.03 mph (67.64 km/h) |
| 60 mph (96.56 km/h) | 45.85 mph (73.79 km/h) |
| 65 mph (104.61 km/h) | 49.67 mph (79.94 km/h) |
| 70 mph (112.65 km/h) | 53.49 mph (86.09 km/h) |
| 75 mph (120.7 km/h) | 57.31 mph (92.24 km/h) |
| 80 mph (128.75 km/h) | 61.14 mph (98.39 km/h) |
| 85 mph (136.79 km/h) | 64.96 mph (104.54 km/h) |
| 90 mph (144.84 km/h) | 68.78 mph (110.69 km/h) |
| 95 mph (152.89 km/h) | 72.6 mph (116.84 km/h) |
| 100 mph (160.93 km/h) | 76.42 mph (122.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
