Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-18 | 375/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.91 (658.2) | 26.86 (682.2) | 0.94 (24) 3.6% |
| Width inches (mm) | 13.19 (335) | 14.76 (375) | 1.57 (40) 11.9% |
| Circum. inches (mm) | 81.41 (2067.8) | 84.38 (2143.19) | 2.97 (75.4) 3.6% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.43 (112.5) | 0.47 (12) 11.9% |
| Revolutions per mile (km) | 778.29 (483.61) | 750.91 (466.59) | -27.38 (-17.01) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.73 mph (33.36 km/h) |
| 25 mph (40.23 km/h) | 25.91 mph (41.7 km/h) |
| 30 mph (48.28 km/h) | 31.09 mph (50.04 km/h) |
| 35 mph (56.33 km/h) | 36.28 mph (58.38 km/h) |
| 40 mph (64.37 km/h) | 41.46 mph (66.72 km/h) |
| 45 mph (72.42 km/h) | 46.64 mph (75.06 km/h) |
| 50 mph (80.47 km/h) | 51.82 mph (83.4 km/h) |
| 55 mph (88.51 km/h) | 57.01 mph (91.74 km/h) |
| 60 mph (96.56 km/h) | 62.19 mph (100.08 km/h) |
| 65 mph (104.61 km/h) | 67.37 mph (108.42 km/h) |
| 70 mph (112.65 km/h) | 72.55 mph (116.76 km/h) |
| 75 mph (120.7 km/h) | 77.73 mph (125.1 km/h) |
| 80 mph (128.75 km/h) | 82.92 mph (133.44 km/h) |
| 85 mph (136.79 km/h) | 88.1 mph (141.78 km/h) |
| 90 mph (144.84 km/h) | 93.28 mph (150.12 km/h) |
| 95 mph (152.89 km/h) | 98.46 mph (158.46 km/h) |
| 100 mph (160.93 km/h) | 103.65 mph (166.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2220 | 2391 | 2496 | 2610 | 2692 | 2781 | 2887 | 3033 | 3179 | 3342 | 3472 | 3708 | 3968 | 4171 | 4302 | 4375 | 4643 | 5017 | 5830 |
Better Fuel Economy Factory Ratios Increased Power
