Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 185/30-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 18.37 (466.6) | -7.57 (-192.4) -29.2% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 81.51 (2070.31) | 57.71 (1465.87) | -23.8 (-604.44) -29.2% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 2.19 (55.5) | -3.79 (-96.2) -63.4% |
| Revolutions per mile (km) | 777.34 (483.02) | 1097.88 (682.19) | 320.53 (199.17) 41.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.16 mph (22.79 km/h) |
| 25 mph (40.23 km/h) | 17.7 mph (28.49 km/h) |
| 30 mph (48.28 km/h) | 21.24 mph (34.18 km/h) |
| 35 mph (56.33 km/h) | 24.78 mph (39.88 km/h) |
| 40 mph (64.37 km/h) | 28.32 mph (45.58 km/h) |
| 45 mph (72.42 km/h) | 31.86 mph (51.28 km/h) |
| 50 mph (80.47 km/h) | 35.4 mph (56.97 km/h) |
| 55 mph (88.51 km/h) | 38.94 mph (62.67 km/h) |
| 60 mph (96.56 km/h) | 42.48 mph (68.37 km/h) |
| 65 mph (104.61 km/h) | 46.02 mph (74.07 km/h) |
| 70 mph (112.65 km/h) | 49.56 mph (79.76 km/h) |
| 75 mph (120.7 km/h) | 53.1 mph (85.46 km/h) |
| 80 mph (128.75 km/h) | 56.64 mph (91.16 km/h) |
| 85 mph (136.79 km/h) | 60.18 mph (96.86 km/h) |
| 90 mph (144.84 km/h) | 63.72 mph (102.55 km/h) |
| 95 mph (152.89 km/h) | 67.26 mph (108.25 km/h) |
| 100 mph (160.93 km/h) | 70.8 mph (113.95 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
