Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/55-15 | 275/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.18 (639.5) | 26.91 (683.5) | 1.73 (44) 6.9% |
| Width inches (mm) | 9.25 (235) | 10.83 (275) | 1.57 (40) 17% |
| Circum. inches (mm) | 79.1 (2009.05) | 84.54 (2147.28) | 5.44 (138.23) 6.9% |
| Sidewall Height inches (mm) | 5.09 (129.25) | 5.95 (151.25) | 0.87 (22) 17% |
| Revolutions per mile (km) | 801.05 (497.75) | 749.48 (465.7) | -51.57 (-32.04) -6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.4 km/h) |
| 25 mph (40.23 km/h) | 26.72 mph (43 km/h) |
| 30 mph (48.28 km/h) | 32.06 mph (51.6 km/h) |
| 35 mph (56.33 km/h) | 37.41 mph (60.2 km/h) |
| 40 mph (64.37 km/h) | 42.75 mph (68.8 km/h) |
| 45 mph (72.42 km/h) | 48.1 mph (77.4 km/h) |
| 50 mph (80.47 km/h) | 53.44 mph (86 km/h) |
| 55 mph (88.51 km/h) | 58.78 mph (94.6 km/h) |
| 60 mph (96.56 km/h) | 64.13 mph (103.2 km/h) |
| 65 mph (104.61 km/h) | 69.47 mph (111.8 km/h) |
| 70 mph (112.65 km/h) | 74.82 mph (120.41 km/h) |
| 75 mph (120.7 km/h) | 80.16 mph (129.01 km/h) |
| 80 mph (128.75 km/h) | 85.5 mph (137.61 km/h) |
| 85 mph (136.79 km/h) | 90.85 mph (146.21 km/h) |
| 90 mph (144.84 km/h) | 96.19 mph (154.81 km/h) |
| 95 mph (152.89 km/h) | 101.54 mph (163.41 km/h) |
| 100 mph (160.93 km/h) | 106.88 mph (172.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1907 | 2216 | 2386 | 2492 | 2605 | 2686 | 2776 | 2881 | 3027 | 3173 | 3336 | 3466 | 3701 | 3961 | 4164 | 4293 | 4366 | 4634 | 5008 | 5819 |
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