Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-19 | 345/55-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.51 (724.1) | 32.94 (836.7) | 4.43 (112.6) 15.6% |
| Width inches (mm) | 13.58 (345) | 13.58 (345) | 0 (0) 0% |
| Circum. inches (mm) | 89.56 (2274.83) | 103.49 (2628.57) | 13.93 (353.74) 15.6% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 7.47 (189.75) | 2.72 (69) 57.1% |
| Revolutions per mile (km) | 707.46 (439.59) | 612.25 (380.43) | -95.21 (-59.16) -13.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.11 mph (37.19 km/h) |
| 25 mph (40.23 km/h) | 28.89 mph (46.49 km/h) |
| 30 mph (48.28 km/h) | 34.67 mph (55.79 km/h) |
| 35 mph (56.33 km/h) | 40.44 mph (65.09 km/h) |
| 40 mph (64.37 km/h) | 46.22 mph (74.38 km/h) |
| 45 mph (72.42 km/h) | 52 mph (83.68 km/h) |
| 50 mph (80.47 km/h) | 57.78 mph (92.98 km/h) |
| 55 mph (88.51 km/h) | 63.55 mph (102.28 km/h) |
| 60 mph (96.56 km/h) | 69.33 mph (111.58 km/h) |
| 65 mph (104.61 km/h) | 75.11 mph (120.87 km/h) |
| 70 mph (112.65 km/h) | 80.89 mph (130.17 km/h) |
| 75 mph (120.7 km/h) | 86.66 mph (139.47 km/h) |
| 80 mph (128.75 km/h) | 92.44 mph (148.77 km/h) |
| 85 mph (136.79 km/h) | 98.22 mph (158.07 km/h) |
| 90 mph (144.84 km/h) | 104 mph (167.36 km/h) |
| 95 mph (152.89 km/h) | 109.77 mph (176.66 km/h) |
| 100 mph (160.93 km/h) | 115.55 mph (185.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1558 | 1810 | 1949 | 2035 | 2128 | 2195 | 2267 | 2354 | 2473 | 2592 | 2725 | 2831 | 3023 | 3235 | 3401 | 3507 | 3567 | 3786 | 4091 | 4754 |
Better Fuel Economy Factory Ratios Increased Power
