Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-19 | 365/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.51 (724.1) | 39.56 (1004.7) | 11.05 (280.6) 38.8% |
| Width inches (mm) | 13.58 (345) | 14.37 (365) | 0.79 (20) 5.8% |
| Circum. inches (mm) | 89.56 (2274.83) | 124.27 (3156.36) | 34.71 (881.53) 38.8% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 10.78 (273.75) | 6.02 (153) 126.7% |
| Revolutions per mile (km) | 707.46 (439.59) | 509.87 (316.82) | -197.58 (-122.77) -27.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.75 mph (44.66 km/h) |
| 25 mph (40.23 km/h) | 34.69 mph (55.82 km/h) |
| 30 mph (48.28 km/h) | 41.63 mph (66.99 km/h) |
| 35 mph (56.33 km/h) | 48.56 mph (78.15 km/h) |
| 40 mph (64.37 km/h) | 55.5 mph (89.32 km/h) |
| 45 mph (72.42 km/h) | 62.44 mph (100.48 km/h) |
| 50 mph (80.47 km/h) | 69.38 mph (111.65 km/h) |
| 55 mph (88.51 km/h) | 76.31 mph (122.81 km/h) |
| 60 mph (96.56 km/h) | 83.25 mph (133.98 km/h) |
| 65 mph (104.61 km/h) | 90.19 mph (145.14 km/h) |
| 70 mph (112.65 km/h) | 97.13 mph (156.31 km/h) |
| 75 mph (120.7 km/h) | 104.06 mph (167.47 km/h) |
| 80 mph (128.75 km/h) | 111 mph (178.64 km/h) |
| 85 mph (136.79 km/h) | 117.94 mph (189.8 km/h) |
| 90 mph (144.84 km/h) | 124.88 mph (200.97 km/h) |
| 95 mph (152.89 km/h) | 131.81 mph (212.13 km/h) |
| 100 mph (160.93 km/h) | 138.75 mph (223.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1298 | 1507 | 1623 | 1695 | 1772 | 1828 | 1888 | 1960 | 2059 | 2159 | 2269 | 2358 | 2518 | 2694 | 2832 | 2921 | 2971 | 3153 | 3407 | 3959 |
Better Fuel Economy Factory Ratios Increased Power
