Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/40-18 | 275/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 25.58 (649.7) | -1.08 (-27.5) -4.1% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 83.76 (2127.49) | 80.36 (2041.09) | -3.4 (-86.39) -4.1% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.79 (96.25) | -0.54 (-13.75) -12.5% |
| Revolutions per mile (km) | 756.45 (470.04) | 788.47 (489.93) | 32.02 (19.9) 4.2% |
275/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.19 mph (30.88 km/h) |
| 25 mph (40.23 km/h) | 23.98 mph (38.6 km/h) |
| 30 mph (48.28 km/h) | 28.78 mph (46.32 km/h) |
| 35 mph (56.33 km/h) | 33.58 mph (54.04 km/h) |
| 40 mph (64.37 km/h) | 38.38 mph (61.76 km/h) |
| 45 mph (72.42 km/h) | 43.17 mph (69.48 km/h) |
| 50 mph (80.47 km/h) | 47.97 mph (77.2 km/h) |
| 55 mph (88.51 km/h) | 52.77 mph (84.92 km/h) |
| 60 mph (96.56 km/h) | 57.56 mph (92.64 km/h) |
| 65 mph (104.61 km/h) | 62.36 mph (100.36 km/h) |
| 70 mph (112.65 km/h) | 67.16 mph (108.08 km/h) |
| 75 mph (120.7 km/h) | 71.95 mph (115.8 km/h) |
| 80 mph (128.75 km/h) | 76.75 mph (123.52 km/h) |
| 85 mph (136.79 km/h) | 81.55 mph (131.24 km/h) |
| 90 mph (144.84 km/h) | 86.35 mph (138.96 km/h) |
| 95 mph (152.89 km/h) | 91.14 mph (146.68 km/h) |
| 100 mph (160.93 km/h) | 95.94 mph (154.4 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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