Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-18 | 330/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.51 (698.7) | 27.09 (688.2) | -0.41 (-10.5) -1.5% |
| Width inches (mm) | 13.58 (345) | 12.99 (330) | -0.59 (-15) -4.3% |
| Circum. inches (mm) | 86.42 (2195.03) | 85.12 (2162.04) | -1.3 (-32.99) -1.5% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 4.55 (115.5) | -0.21 (-5.25) -4.3% |
| Revolutions per mile (km) | 733.18 (455.57) | 744.36 (462.52) | 11.19 (6.95) 1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.7 mph (31.7 km/h) |
| 25 mph (40.23 km/h) | 24.62 mph (39.63 km/h) |
| 30 mph (48.28 km/h) | 29.55 mph (47.55 km/h) |
| 35 mph (56.33 km/h) | 34.47 mph (55.48 km/h) |
| 40 mph (64.37 km/h) | 39.4 mph (63.41 km/h) |
| 45 mph (72.42 km/h) | 44.32 mph (71.33 km/h) |
| 50 mph (80.47 km/h) | 49.25 mph (79.26 km/h) |
| 55 mph (88.51 km/h) | 54.17 mph (87.18 km/h) |
| 60 mph (96.56 km/h) | 59.1 mph (95.11 km/h) |
| 65 mph (104.61 km/h) | 64.02 mph (103.04 km/h) |
| 70 mph (112.65 km/h) | 68.95 mph (110.96 km/h) |
| 75 mph (120.7 km/h) | 73.87 mph (118.89 km/h) |
| 80 mph (128.75 km/h) | 78.8 mph (126.81 km/h) |
| 85 mph (136.79 km/h) | 83.72 mph (134.74 km/h) |
| 90 mph (144.84 km/h) | 88.65 mph (142.66 km/h) |
| 95 mph (152.89 km/h) | 93.57 mph (150.59 km/h) |
| 100 mph (160.93 km/h) | 98.5 mph (158.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1894 | 2201 | 2370 | 2475 | 2587 | 2668 | 2757 | 2862 | 3007 | 3152 | 3313 | 3442 | 3676 | 3934 | 4135 | 4264 | 4337 | 4603 | 4973 | 5780 |
Better Fuel Economy Factory Ratios Increased Power
