Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-15 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.83 (656) | 25.66 (651.8) | -0.17 (-4.2) -0.6% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 81.14 (2060.88) | 80.62 (2047.69) | -0.52 (-13.19) -0.6% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 4.33 (110) | -1.08 (-27.5) -20% |
| Revolutions per mile (km) | 780.9 (485.23) | 785.93 (488.35) | 5.03 (3.13) 0.6% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.98 km/h) |
| 25 mph (40.23 km/h) | 24.84 mph (39.98 km/h) |
| 30 mph (48.28 km/h) | 29.81 mph (47.97 km/h) |
| 35 mph (56.33 km/h) | 34.78 mph (55.97 km/h) |
| 40 mph (64.37 km/h) | 39.74 mph (63.96 km/h) |
| 45 mph (72.42 km/h) | 44.71 mph (71.96 km/h) |
| 50 mph (80.47 km/h) | 49.68 mph (79.95 km/h) |
| 55 mph (88.51 km/h) | 54.65 mph (87.95 km/h) |
| 60 mph (96.56 km/h) | 59.62 mph (95.94 km/h) |
| 65 mph (104.61 km/h) | 64.58 mph (103.94 km/h) |
| 70 mph (112.65 km/h) | 69.55 mph (111.93 km/h) |
| 75 mph (120.7 km/h) | 74.52 mph (119.93 km/h) |
| 80 mph (128.75 km/h) | 79.49 mph (127.92 km/h) |
| 85 mph (136.79 km/h) | 84.46 mph (135.92 km/h) |
| 90 mph (144.84 km/h) | 89.42 mph (143.91 km/h) |
| 95 mph (152.89 km/h) | 94.39 mph (151.91 km/h) |
| 100 mph (160.93 km/h) | 99.36 mph (159.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | 2323 | 2502 | 2613 | 2732 | 2817 | 2911 | 3021 | 3175 | 3328 | 3498 | 3634 | 3881 | 4153 | 4366 | 4502 | 4579 | 4860 | 5251 | 6102 |
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