Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/55-17 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.04 (712.3) | 25.66 (651.8) | -2.38 (-60.5) -8.5% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 88.1 (2237.76) | 80.62 (2047.69) | -7.48 (-190.07) -8.5% |
| Sidewall Height inches (mm) | 5.52 (140.25) | 4.33 (110) | -1.19 (-30.25) -21.6% |
| Revolutions per mile (km) | 719.18 (446.88) | 785.93 (488.35) | 66.75 (41.48) 9.3% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.3 mph (29.45 km/h) |
| 25 mph (40.23 km/h) | 22.88 mph (36.82 km/h) |
| 30 mph (48.28 km/h) | 27.45 mph (44.18 km/h) |
| 35 mph (56.33 km/h) | 32.03 mph (51.54 km/h) |
| 40 mph (64.37 km/h) | 36.6 mph (58.91 km/h) |
| 45 mph (72.42 km/h) | 41.18 mph (66.27 km/h) |
| 50 mph (80.47 km/h) | 45.75 mph (73.63 km/h) |
| 55 mph (88.51 km/h) | 50.33 mph (81 km/h) |
| 60 mph (96.56 km/h) | 54.9 mph (88.36 km/h) |
| 65 mph (104.61 km/h) | 59.48 mph (95.72 km/h) |
| 70 mph (112.65 km/h) | 64.05 mph (103.09 km/h) |
| 75 mph (120.7 km/h) | 68.63 mph (110.45 km/h) |
| 80 mph (128.75 km/h) | 73.21 mph (117.81 km/h) |
| 85 mph (136.79 km/h) | 77.78 mph (125.18 km/h) |
| 90 mph (144.84 km/h) | 82.36 mph (132.54 km/h) |
| 95 mph (152.89 km/h) | 86.93 mph (139.9 km/h) |
| 100 mph (160.93 km/h) | 91.51 mph (147.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | 2323 | 2502 | 2613 | 2732 | 2817 | 2911 | 3021 | 3175 | 3328 | 3498 | 3634 | 3881 | 4153 | 4366 | 4502 | 4579 | 4860 | 5251 | 6102 |
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