Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-19 | 345/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.51 (724.1) | 39.02 (991) | 10.51 (266.9) 36.9% |
| Width inches (mm) | 13.58 (345) | 13.58 (345) | 0 (0) 0% |
| Circum. inches (mm) | 89.56 (2274.83) | 122.57 (3113.32) | 33.01 (838.49) 36.9% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 9.51 (241.5) | 4.75 (120.75) 100% |
| Revolutions per mile (km) | 707.46 (439.59) | 516.92 (321.2) | -190.54 (-118.39) -26.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.37 mph (44.05 km/h) |
| 25 mph (40.23 km/h) | 34.21 mph (55.06 km/h) |
| 30 mph (48.28 km/h) | 41.06 mph (66.08 km/h) |
| 35 mph (56.33 km/h) | 47.9 mph (77.09 km/h) |
| 40 mph (64.37 km/h) | 54.74 mph (88.1 km/h) |
| 45 mph (72.42 km/h) | 61.59 mph (99.11 km/h) |
| 50 mph (80.47 km/h) | 68.43 mph (110.13 km/h) |
| 55 mph (88.51 km/h) | 75.27 mph (121.14 km/h) |
| 60 mph (96.56 km/h) | 82.12 mph (132.15 km/h) |
| 65 mph (104.61 km/h) | 88.96 mph (143.17 km/h) |
| 70 mph (112.65 km/h) | 95.8 mph (154.18 km/h) |
| 75 mph (120.7 km/h) | 102.64 mph (165.19 km/h) |
| 80 mph (128.75 km/h) | 109.49 mph (176.2 km/h) |
| 85 mph (136.79 km/h) | 116.33 mph (187.22 km/h) |
| 90 mph (144.84 km/h) | 123.17 mph (198.23 km/h) |
| 95 mph (152.89 km/h) | 130.02 mph (209.24 km/h) |
| 100 mph (160.93 km/h) | 136.86 mph (220.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1315 | 1528 | 1646 | 1719 | 1797 | 1853 | 1914 | 1987 | 2088 | 2189 | 2301 | 2390 | 2553 | 2732 | 2872 | 2961 | 3012 | 3196 | 3454 | 4014 |
Better Fuel Economy Factory Ratios Increased Power
