Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/35-18 | 335/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.51 (698.7) | 25.91 (658.2) | -1.59 (-40.5) -5.8% |
| Width inches (mm) | 13.58 (345) | 13.19 (335) | -0.39 (-10) -2.9% |
| Circum. inches (mm) | 86.42 (2195.03) | 81.41 (2067.8) | -5.01 (-127.23) -5.8% |
| Sidewall Height inches (mm) | 4.75 (120.75) | 3.96 (100.5) | -0.8 (-20.25) -16.8% |
| Revolutions per mile (km) | 733.18 (455.57) | 778.29 (483.61) | 45.11 (28.03) 6.2% |
335/30-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.84 mph (30.32 km/h) |
| 25 mph (40.23 km/h) | 23.55 mph (37.9 km/h) |
| 30 mph (48.28 km/h) | 28.26 mph (45.48 km/h) |
| 35 mph (56.33 km/h) | 32.97 mph (53.06 km/h) |
| 40 mph (64.37 km/h) | 37.68 mph (60.64 km/h) |
| 45 mph (72.42 km/h) | 42.39 mph (68.22 km/h) |
| 50 mph (80.47 km/h) | 47.1 mph (75.8 km/h) |
| 55 mph (88.51 km/h) | 51.81 mph (83.38 km/h) |
| 60 mph (96.56 km/h) | 56.52 mph (90.96 km/h) |
| 65 mph (104.61 km/h) | 61.23 mph (98.54 km/h) |
| 70 mph (112.65 km/h) | 65.94 mph (106.12 km/h) |
| 75 mph (120.7 km/h) | 70.65 mph (113.7 km/h) |
| 80 mph (128.75 km/h) | 75.36 mph (121.28 km/h) |
| 85 mph (136.79 km/h) | 80.07 mph (128.87 km/h) |
| 90 mph (144.84 km/h) | 84.78 mph (136.45 km/h) |
| 95 mph (152.89 km/h) | 89.49 mph (144.03 km/h) |
| 100 mph (160.93 km/h) | 94.2 mph (151.61 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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