Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/30-19 | 335/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.68 (677.6) | 25.91 (658.2) | -0.76 (-19.4) -2.9% |
| Width inches (mm) | 12.8 (325) | 13.19 (335) | 0.39 (10) 3.1% |
| Circum. inches (mm) | 83.81 (2128.74) | 81.41 (2067.8) | -2.4 (-60.95) -2.9% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 3.96 (100.5) | 0.12 (3) 3.1% |
| Revolutions per mile (km) | 756.01 (469.76) | 778.29 (483.61) | 22.28 (13.85) 2.9% |
335/30-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.43 mph (31.27 km/h) |
| 25 mph (40.23 km/h) | 24.28 mph (39.08 km/h) |
| 30 mph (48.28 km/h) | 29.14 mph (46.9 km/h) |
| 35 mph (56.33 km/h) | 34 mph (54.71 km/h) |
| 40 mph (64.37 km/h) | 38.85 mph (62.53 km/h) |
| 45 mph (72.42 km/h) | 43.71 mph (70.35 km/h) |
| 50 mph (80.47 km/h) | 48.57 mph (78.16 km/h) |
| 55 mph (88.51 km/h) | 53.43 mph (85.98 km/h) |
| 60 mph (96.56 km/h) | 58.28 mph (93.8 km/h) |
| 65 mph (104.61 km/h) | 63.14 mph (101.61 km/h) |
| 70 mph (112.65 km/h) | 68 mph (109.43 km/h) |
| 75 mph (120.7 km/h) | 72.85 mph (117.25 km/h) |
| 80 mph (128.75 km/h) | 77.71 mph (125.06 km/h) |
| 85 mph (136.79 km/h) | 82.57 mph (132.88 km/h) |
| 90 mph (144.84 km/h) | 87.42 mph (140.69 km/h) |
| 95 mph (152.89 km/h) | 92.28 mph (148.51 km/h) |
| 100 mph (160.93 km/h) | 97.14 mph (156.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 2301 | 2478 | 2587 | 2705 | 2790 | 2882 | 2992 | 3144 | 3295 | 3464 | 3599 | 3843 | 4113 | 4324 | 4458 | 4534 | 4812 | 5200 | 6043 |
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