Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/25-20 | 345/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.59 (675.5) | 27.15 (689.6) | 0.56 (14.1) 2.1% |
| Width inches (mm) | 13.19 (335) | 13.58 (345) | 0.39 (10) 3% |
| Circum. inches (mm) | 83.55 (2122.15) | 85.29 (2166.44) | 1.74 (44.3) 2.1% |
| Sidewall Height inches (mm) | 3.3 (83.75) | 4.07 (103.5) | 0.78 (19.75) 23.6% |
| Revolutions per mile (km) | 758.36 (471.22) | 742.85 (461.59) | -15.51 (-9.63) -2% |
345/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.42 mph (32.86 km/h) |
| 25 mph (40.23 km/h) | 25.52 mph (41.07 km/h) |
| 30 mph (48.28 km/h) | 30.63 mph (49.29 km/h) |
| 35 mph (56.33 km/h) | 35.73 mph (57.5 km/h) |
| 40 mph (64.37 km/h) | 40.83 mph (65.72 km/h) |
| 45 mph (72.42 km/h) | 45.94 mph (73.93 km/h) |
| 50 mph (80.47 km/h) | 51.04 mph (82.15 km/h) |
| 55 mph (88.51 km/h) | 56.15 mph (90.36 km/h) |
| 60 mph (96.56 km/h) | 61.25 mph (98.58 km/h) |
| 65 mph (104.61 km/h) | 66.36 mph (106.79 km/h) |
| 70 mph (112.65 km/h) | 71.46 mph (115.01 km/h) |
| 75 mph (120.7 km/h) | 76.57 mph (123.22 km/h) |
| 80 mph (128.75 km/h) | 81.67 mph (131.44 km/h) |
| 85 mph (136.79 km/h) | 86.77 mph (139.65 km/h) |
| 90 mph (144.84 km/h) | 91.88 mph (147.86 km/h) |
| 95 mph (152.89 km/h) | 96.98 mph (156.08 km/h) |
| 100 mph (160.93 km/h) | 102.09 mph (164.29 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
