Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/30-19 | 335/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.15 (689.6) | 25.91 (658.2) | -1.24 (-31.4) -4.6% |
| Width inches (mm) | 13.58 (345) | 13.19 (335) | -0.39 (-10) -2.9% |
| Circum. inches (mm) | 85.29 (2166.44) | 81.41 (2067.8) | -3.88 (-98.65) -4.6% |
| Sidewall Height inches (mm) | 4.07 (103.5) | 3.96 (100.5) | -0.12 (-3) -2.9% |
| Revolutions per mile (km) | 742.85 (461.59) | 778.29 (483.61) | 35.44 (22.02) 4.8% |
335/30-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.09 mph (30.72 km/h) |
| 25 mph (40.23 km/h) | 23.86 mph (38.4 km/h) |
| 30 mph (48.28 km/h) | 28.63 mph (46.08 km/h) |
| 35 mph (56.33 km/h) | 33.41 mph (53.76 km/h) |
| 40 mph (64.37 km/h) | 38.18 mph (61.44 km/h) |
| 45 mph (72.42 km/h) | 42.95 mph (69.12 km/h) |
| 50 mph (80.47 km/h) | 47.72 mph (76.8 km/h) |
| 55 mph (88.51 km/h) | 52.5 mph (84.48 km/h) |
| 60 mph (96.56 km/h) | 57.27 mph (92.16 km/h) |
| 65 mph (104.61 km/h) | 62.04 mph (99.84 km/h) |
| 70 mph (112.65 km/h) | 66.81 mph (107.52 km/h) |
| 75 mph (120.7 km/h) | 71.58 mph (115.21 km/h) |
| 80 mph (128.75 km/h) | 76.36 mph (122.89 km/h) |
| 85 mph (136.79 km/h) | 81.13 mph (130.57 km/h) |
| 90 mph (144.84 km/h) | 85.9 mph (138.25 km/h) |
| 95 mph (152.89 km/h) | 90.67 mph (145.93 km/h) |
| 100 mph (160.93 km/h) | 95.45 mph (153.61 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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