Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-18 | 325/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.91 (658.2) | 25.68 (652.2) | -0.24 (-6) -0.9% |
| Width inches (mm) | 13.19 (335) | 12.8 (325) | -0.39 (-10) -3% |
| Circum. inches (mm) | 81.41 (2067.8) | 80.67 (2048.95) | -0.74 (-18.85) -0.9% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 3.84 (97.5) | -0.12 (-3) -3% |
| Revolutions per mile (km) | 778.29 (483.61) | 785.45 (488.05) | 7.16 (4.45) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.82 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.87 km/h) |
| 30 mph (48.28 km/h) | 29.73 mph (47.84 km/h) |
| 35 mph (56.33 km/h) | 34.68 mph (55.81 km/h) |
| 40 mph (64.37 km/h) | 39.64 mph (63.79 km/h) |
| 45 mph (72.42 km/h) | 44.59 mph (71.76 km/h) |
| 50 mph (80.47 km/h) | 49.54 mph (79.73 km/h) |
| 55 mph (88.51 km/h) | 54.5 mph (87.71 km/h) |
| 60 mph (96.56 km/h) | 59.45 mph (95.68 km/h) |
| 65 mph (104.61 km/h) | 64.41 mph (103.65 km/h) |
| 70 mph (112.65 km/h) | 69.36 mph (111.63 km/h) |
| 75 mph (120.7 km/h) | 74.32 mph (119.6 km/h) |
| 80 mph (128.75 km/h) | 79.27 mph (127.57 km/h) |
| 85 mph (136.79 km/h) | 84.23 mph (135.55 km/h) |
| 90 mph (144.84 km/h) | 89.18 mph (143.52 km/h) |
| 95 mph (152.89 km/h) | 94.13 mph (151.49 km/h) |
| 100 mph (160.93 km/h) | 99.09 mph (159.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2322 | 2501 | 2611 | 2730 | 2815 | 2909 | 3019 | 3173 | 3326 | 3496 | 3632 | 3879 | 4151 | 4363 | 4499 | 4576 | 4857 | 5248 | 6099 |
Better Fuel Economy Factory Ratios Increased Power
