Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/25-19 | 155/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635.1) | 21.93 (557.1) | -3.07 (-78) -12.3% |
| Width inches (mm) | 12.01 (305) | 6.1 (155) | -5.91 (-150) -49.2% |
| Circum. inches (mm) | 78.55 (1995.23) | 68.9 (1750.18) | -9.65 (-245.04) -12.3% |
| Sidewall Height inches (mm) | 3 (76.25) | 3.97 (100.75) | 0.96 (24.5) 32.1% |
| Revolutions per mile (km) | 806.6 (501.2) | 919.53 (571.37) | 112.93 (70.17) 14% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.54 mph (28.23 km/h) |
| 25 mph (40.23 km/h) | 21.93 mph (35.29 km/h) |
| 30 mph (48.28 km/h) | 26.32 mph (42.35 km/h) |
| 35 mph (56.33 km/h) | 30.7 mph (49.41 km/h) |
| 40 mph (64.37 km/h) | 35.09 mph (56.47 km/h) |
| 45 mph (72.42 km/h) | 39.47 mph (63.53 km/h) |
| 50 mph (80.47 km/h) | 43.86 mph (70.58 km/h) |
| 55 mph (88.51 km/h) | 48.25 mph (77.64 km/h) |
| 60 mph (96.56 km/h) | 52.63 mph (84.7 km/h) |
| 65 mph (104.61 km/h) | 57.02 mph (91.76 km/h) |
| 70 mph (112.65 km/h) | 61.4 mph (98.82 km/h) |
| 75 mph (120.7 km/h) | 65.79 mph (105.88 km/h) |
| 80 mph (128.75 km/h) | 70.17 mph (112.94 km/h) |
| 85 mph (136.79 km/h) | 74.56 mph (119.99 km/h) |
| 90 mph (144.84 km/h) | 78.95 mph (127.05 km/h) |
| 95 mph (152.89 km/h) | 83.33 mph (134.11 km/h) |
| 100 mph (160.93 km/h) | 87.72 mph (141.17 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
