Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/30-19 | 305/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.15 (689.6) | 27.41 (696.1) | 0.26 (6.5) 0.9% |
| Width inches (mm) | 13.58 (345) | 12.01 (305) | -1.57 (-40) -11.6% |
| Circum. inches (mm) | 85.29 (2166.44) | 86.1 (2186.86) | 0.8 (20.42) 0.9% |
| Sidewall Height inches (mm) | 4.07 (103.5) | 4.2 (106.75) | 0.13 (3.25) 3.1% |
| Revolutions per mile (km) | 742.85 (461.59) | 735.91 (457.28) | -6.94 (-4.31) -0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.49 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.61 km/h) |
| 30 mph (48.28 km/h) | 30.28 mph (48.74 km/h) |
| 35 mph (56.33 km/h) | 35.33 mph (56.86 km/h) |
| 40 mph (64.37 km/h) | 40.38 mph (64.98 km/h) |
| 45 mph (72.42 km/h) | 45.42 mph (73.1 km/h) |
| 50 mph (80.47 km/h) | 50.47 mph (81.23 km/h) |
| 55 mph (88.51 km/h) | 55.52 mph (89.35 km/h) |
| 60 mph (96.56 km/h) | 60.57 mph (97.47 km/h) |
| 65 mph (104.61 km/h) | 65.61 mph (105.59 km/h) |
| 70 mph (112.65 km/h) | 70.66 mph (113.72 km/h) |
| 75 mph (120.7 km/h) | 75.71 mph (121.84 km/h) |
| 80 mph (128.75 km/h) | 80.75 mph (129.96 km/h) |
| 85 mph (136.79 km/h) | 85.8 mph (138.08 km/h) |
| 90 mph (144.84 km/h) | 90.85 mph (146.21 km/h) |
| 95 mph (152.89 km/h) | 95.9 mph (154.33 km/h) |
| 100 mph (160.93 km/h) | 100.94 mph (162.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1873 | 2176 | 2343 | 2447 | 2558 | 2638 | 2725 | 2829 | 2973 | 3116 | 3275 | 3403 | 3634 | 3889 | 4088 | 4216 | 4287 | 4550 | 4917 | 5714 |
Better Fuel Economy Factory Ratios Increased Power
