Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-18 | 345/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.91 (658.2) | 26.15 (664.2) | 0.24 (6) 0.9% |
| Width inches (mm) | 13.19 (335) | 13.58 (345) | 0.39 (10) 3% |
| Circum. inches (mm) | 81.41 (2067.8) | 82.15 (2086.65) | 0.74 (18.85) 0.9% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.07 (103.5) | 0.12 (3) 3% |
| Revolutions per mile (km) | 778.29 (483.61) | 771.26 (479.24) | -7.03 (-4.37) -0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.18 mph (32.48 km/h) |
| 25 mph (40.23 km/h) | 25.23 mph (40.6 km/h) |
| 30 mph (48.28 km/h) | 30.27 mph (48.72 km/h) |
| 35 mph (56.33 km/h) | 35.32 mph (56.84 km/h) |
| 40 mph (64.37 km/h) | 40.36 mph (64.96 km/h) |
| 45 mph (72.42 km/h) | 45.41 mph (73.08 km/h) |
| 50 mph (80.47 km/h) | 50.46 mph (81.2 km/h) |
| 55 mph (88.51 km/h) | 55.5 mph (89.32 km/h) |
| 60 mph (96.56 km/h) | 60.55 mph (97.44 km/h) |
| 65 mph (104.61 km/h) | 65.59 mph (105.56 km/h) |
| 70 mph (112.65 km/h) | 70.64 mph (113.68 km/h) |
| 75 mph (120.7 km/h) | 75.68 mph (121.8 km/h) |
| 80 mph (128.75 km/h) | 80.73 mph (129.92 km/h) |
| 85 mph (136.79 km/h) | 85.77 mph (138.04 km/h) |
| 90 mph (144.84 km/h) | 90.82 mph (146.16 km/h) |
| 95 mph (152.89 km/h) | 95.87 mph (154.28 km/h) |
| 100 mph (160.93 km/h) | 100.91 mph (162.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1963 | 2280 | 2455 | 2564 | 2681 | 2764 | 2856 | 2965 | 3115 | 3266 | 3433 | 3566 | 3808 | 4076 | 4285 | 4418 | 4493 | 4769 | 5153 | 5988 |
Better Fuel Economy Factory Ratios Increased Power
