Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/35-18 | 275/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.41 (670.7) | 25.58 (649.7) | -0.83 (-21) -3.1% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 82.96 (2107.07) | 80.36 (2041.09) | -2.6 (-65.97) -3.1% |
| Sidewall Height inches (mm) | 4.2 (106.75) | 3.79 (96.25) | -0.41 (-10.5) -9.8% |
| Revolutions per mile (km) | 763.78 (474.59) | 788.47 (489.93) | 24.69 (15.34) 3.2% |
275/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.37 mph (31.18 km/h) |
| 25 mph (40.23 km/h) | 24.22 mph (38.97 km/h) |
| 30 mph (48.28 km/h) | 29.06 mph (46.77 km/h) |
| 35 mph (56.33 km/h) | 33.9 mph (54.56 km/h) |
| 40 mph (64.37 km/h) | 38.75 mph (62.36 km/h) |
| 45 mph (72.42 km/h) | 43.59 mph (70.15 km/h) |
| 50 mph (80.47 km/h) | 48.43 mph (77.95 km/h) |
| 55 mph (88.51 km/h) | 53.28 mph (85.74 km/h) |
| 60 mph (96.56 km/h) | 58.12 mph (93.54 km/h) |
| 65 mph (104.61 km/h) | 62.96 mph (101.33 km/h) |
| 70 mph (112.65 km/h) | 67.81 mph (109.13 km/h) |
| 75 mph (120.7 km/h) | 72.65 mph (116.92 km/h) |
| 80 mph (128.75 km/h) | 77.5 mph (124.72 km/h) |
| 85 mph (136.79 km/h) | 82.34 mph (132.51 km/h) |
| 90 mph (144.84 km/h) | 87.18 mph (140.31 km/h) |
| 95 mph (152.89 km/h) | 92.03 mph (148.1 km/h) |
| 100 mph (160.93 km/h) | 96.87 mph (155.9 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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