Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-18 | 345/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.91 (658.2) | 27.15 (689.6) | 1.24 (31.4) 4.8% |
| Width inches (mm) | 13.19 (335) | 13.58 (345) | 0.39 (10) 3% |
| Circum. inches (mm) | 81.41 (2067.8) | 85.29 (2166.44) | 3.88 (98.65) 4.8% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.07 (103.5) | 0.12 (3) 3% |
| Revolutions per mile (km) | 778.29 (483.61) | 742.85 (461.59) | -35.44 (-22.02) -4.6% |
345/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.15 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.58 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.01 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.44 km/h) |
| 45 mph (72.42 km/h) | 47.15 mph (75.88 km/h) |
| 50 mph (80.47 km/h) | 52.39 mph (84.31 km/h) |
| 55 mph (88.51 km/h) | 57.62 mph (92.74 km/h) |
| 60 mph (96.56 km/h) | 62.86 mph (101.17 km/h) |
| 65 mph (104.61 km/h) | 68.1 mph (109.6 km/h) |
| 70 mph (112.65 km/h) | 73.34 mph (118.03 km/h) |
| 75 mph (120.7 km/h) | 78.58 mph (126.46 km/h) |
| 80 mph (128.75 km/h) | 83.82 mph (134.89 km/h) |
| 85 mph (136.79 km/h) | 89.05 mph (143.32 km/h) |
| 90 mph (144.84 km/h) | 94.29 mph (151.75 km/h) |
| 95 mph (152.89 km/h) | 99.53 mph (160.18 km/h) |
| 100 mph (160.93 km/h) | 104.77 mph (168.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1890 | 2196 | 2365 | 2470 | 2582 | 2663 | 2751 | 2856 | 3001 | 3145 | 3306 | 3435 | 3668 | 3926 | 4127 | 4255 | 4328 | 4593 | 4963 | 5768 |
Better Fuel Economy Factory Ratios Increased Power
