Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/50-18 | 275/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.25 (692.2) | 25.58 (649.7) | -1.67 (-42.5) -6.1% |
| Width inches (mm) | 9.25 (235) | 10.83 (275) | 1.57 (40) 17% |
| Circum. inches (mm) | 85.61 (2174.61) | 80.36 (2041.09) | -5.26 (-133.52) -6.1% |
| Sidewall Height inches (mm) | 4.63 (117.5) | 3.79 (96.25) | -0.84 (-21.25) -18.1% |
| Revolutions per mile (km) | 740.06 (459.85) | 788.47 (489.93) | 48.41 (30.08) 6.5% |
275/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.77 mph (30.21 km/h) |
| 25 mph (40.23 km/h) | 23.47 mph (37.76 km/h) |
| 30 mph (48.28 km/h) | 28.16 mph (45.32 km/h) |
| 35 mph (56.33 km/h) | 32.85 mph (52.87 km/h) |
| 40 mph (64.37 km/h) | 37.54 mph (60.42 km/h) |
| 45 mph (72.42 km/h) | 42.24 mph (67.97 km/h) |
| 50 mph (80.47 km/h) | 46.93 mph (75.53 km/h) |
| 55 mph (88.51 km/h) | 51.62 mph (83.08 km/h) |
| 60 mph (96.56 km/h) | 56.32 mph (90.63 km/h) |
| 65 mph (104.61 km/h) | 61.01 mph (98.18 km/h) |
| 70 mph (112.65 km/h) | 65.7 mph (105.74 km/h) |
| 75 mph (120.7 km/h) | 70.4 mph (113.29 km/h) |
| 80 mph (128.75 km/h) | 75.09 mph (120.84 km/h) |
| 85 mph (136.79 km/h) | 79.78 mph (128.4 km/h) |
| 90 mph (144.84 km/h) | 84.47 mph (135.95 km/h) |
| 95 mph (152.89 km/h) | 89.17 mph (143.5 km/h) |
| 100 mph (160.93 km/h) | 93.86 mph (151.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2331 | 2510 | 2621 | 2741 | 2826 | 2920 | 3031 | 3185 | 3338 | 3509 | 3646 | 3893 | 4167 | 4380 | 4517 | 4594 | 4875 | 5268 | 6122 |
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