Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-17 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.03 (635.8) | 25.66 (651.8) | 0.63 (16) 2.5% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 78.64 (1997.42) | 80.62 (2047.69) | 1.98 (50.27) 2.5% |
| Sidewall Height inches (mm) | 4.02 (102) | 4.33 (110) | 0.31 (8) 7.8% |
| Revolutions per mile (km) | 805.71 (500.64) | 785.93 (488.35) | -19.78 (-12.29) -2.5% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.5 mph (33 km/h) |
| 25 mph (40.23 km/h) | 25.63 mph (41.25 km/h) |
| 30 mph (48.28 km/h) | 30.75 mph (49.5 km/h) |
| 35 mph (56.33 km/h) | 35.88 mph (57.74 km/h) |
| 40 mph (64.37 km/h) | 41.01 mph (65.99 km/h) |
| 45 mph (72.42 km/h) | 46.13 mph (74.24 km/h) |
| 50 mph (80.47 km/h) | 51.26 mph (82.49 km/h) |
| 55 mph (88.51 km/h) | 56.38 mph (90.74 km/h) |
| 60 mph (96.56 km/h) | 61.51 mph (98.99 km/h) |
| 65 mph (104.61 km/h) | 66.64 mph (107.24 km/h) |
| 70 mph (112.65 km/h) | 71.76 mph (115.49 km/h) |
| 75 mph (120.7 km/h) | 76.89 mph (123.74 km/h) |
| 80 mph (128.75 km/h) | 82.01 mph (131.99 km/h) |
| 85 mph (136.79 km/h) | 87.14 mph (140.24 km/h) |
| 90 mph (144.84 km/h) | 92.26 mph (148.49 km/h) |
| 95 mph (152.89 km/h) | 97.39 mph (156.74 km/h) |
| 100 mph (160.93 km/h) | 102.52 mph (164.98 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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