Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-14 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.6) | 25.66 (651.8) | 2.02 (51.2) 8.5% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 74.29 (1886.84) | 80.62 (2047.69) | 6.33 (160.85) 8.5% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 4.33 (110) | -0.49 (-12.5) -10.2% |
| Revolutions per mile (km) | 852.93 (529.99) | 785.93 (488.35) | -67 (-41.63) -7.9% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.7 mph (34.93 km/h) |
| 25 mph (40.23 km/h) | 27.13 mph (43.66 km/h) |
| 30 mph (48.28 km/h) | 32.56 mph (52.4 km/h) |
| 35 mph (56.33 km/h) | 37.98 mph (61.13 km/h) |
| 40 mph (64.37 km/h) | 43.41 mph (69.86 km/h) |
| 45 mph (72.42 km/h) | 48.84 mph (78.59 km/h) |
| 50 mph (80.47 km/h) | 54.26 mph (87.33 km/h) |
| 55 mph (88.51 km/h) | 59.69 mph (96.06 km/h) |
| 60 mph (96.56 km/h) | 65.11 mph (104.79 km/h) |
| 65 mph (104.61 km/h) | 70.54 mph (113.53 km/h) |
| 70 mph (112.65 km/h) | 75.97 mph (122.26 km/h) |
| 75 mph (120.7 km/h) | 81.39 mph (130.99 km/h) |
| 80 mph (128.75 km/h) | 86.82 mph (139.72 km/h) |
| 85 mph (136.79 km/h) | 92.25 mph (148.46 km/h) |
| 90 mph (144.84 km/h) | 97.67 mph (157.19 km/h) |
| 95 mph (152.89 km/h) | 103.1 mph (165.92 km/h) |
| 100 mph (160.93 km/h) | 108.52 mph (174.65 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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