Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-19 | 365/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.51 (724.1) | 38.12 (968.2) | 9.61 (244.1) 33.7% |
| Width inches (mm) | 13.58 (345) | 14.37 (365) | 0.79 (20) 5.8% |
| Circum. inches (mm) | 89.56 (2274.83) | 119.75 (3041.69) | 30.19 (766.86) 33.7% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 10.06 (255.5) | 5.31 (134.75) 111.6% |
| Revolutions per mile (km) | 707.46 (439.59) | 529.1 (328.76) | -178.36 (-110.83) -25.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.74 mph (43.04 km/h) |
| 25 mph (40.23 km/h) | 33.43 mph (53.8 km/h) |
| 30 mph (48.28 km/h) | 40.11 mph (64.56 km/h) |
| 35 mph (56.33 km/h) | 46.8 mph (75.32 km/h) |
| 40 mph (64.37 km/h) | 53.48 mph (86.07 km/h) |
| 45 mph (72.42 km/h) | 60.17 mph (96.83 km/h) |
| 50 mph (80.47 km/h) | 66.86 mph (107.59 km/h) |
| 55 mph (88.51 km/h) | 73.54 mph (118.35 km/h) |
| 60 mph (96.56 km/h) | 80.23 mph (129.11 km/h) |
| 65 mph (104.61 km/h) | 86.91 mph (139.87 km/h) |
| 70 mph (112.65 km/h) | 93.6 mph (150.63 km/h) |
| 75 mph (120.7 km/h) | 100.28 mph (161.39 km/h) |
| 80 mph (128.75 km/h) | 106.97 mph (172.15 km/h) |
| 85 mph (136.79 km/h) | 113.65 mph (182.91 km/h) |
| 90 mph (144.84 km/h) | 120.34 mph (193.67 km/h) |
| 95 mph (152.89 km/h) | 127.03 mph (204.43 km/h) |
| 100 mph (160.93 km/h) | 133.71 mph (215.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1346 | 1564 | 1684 | 1759 | 1839 | 1896 | 1960 | 2034 | 2137 | 2240 | 2355 | 2447 | 2613 | 2796 | 2939 | 3031 | 3083 | 3272 | 3535 | 4108 |
Better Fuel Economy Factory Ratios Increased Power
