Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-16 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.68 (626.9) | 25.66 (651.8) | 0.98 (24.9) 4% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 77.54 (1969.46) | 80.62 (2047.69) | 3.08 (78.23) 4% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 4.33 (110) | -0.01 (-0.25) -0.2% |
| Revolutions per mile (km) | 817.15 (507.75) | 785.93 (488.35) | -31.22 (-19.4) -3.8% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.79 mph (33.47 km/h) |
| 25 mph (40.23 km/h) | 25.99 mph (41.83 km/h) |
| 30 mph (48.28 km/h) | 31.19 mph (50.2 km/h) |
| 35 mph (56.33 km/h) | 36.39 mph (58.56 km/h) |
| 40 mph (64.37 km/h) | 41.59 mph (66.93 km/h) |
| 45 mph (72.42 km/h) | 46.79 mph (75.3 km/h) |
| 50 mph (80.47 km/h) | 51.99 mph (83.66 km/h) |
| 55 mph (88.51 km/h) | 57.18 mph (92.03 km/h) |
| 60 mph (96.56 km/h) | 62.38 mph (100.4 km/h) |
| 65 mph (104.61 km/h) | 67.58 mph (108.76 km/h) |
| 70 mph (112.65 km/h) | 72.78 mph (117.13 km/h) |
| 75 mph (120.7 km/h) | 77.98 mph (125.5 km/h) |
| 80 mph (128.75 km/h) | 83.18 mph (133.86 km/h) |
| 85 mph (136.79 km/h) | 88.38 mph (142.23 km/h) |
| 90 mph (144.84 km/h) | 93.57 mph (150.59 km/h) |
| 95 mph (152.89 km/h) | 98.77 mph (158.96 km/h) |
| 100 mph (160.93 km/h) | 103.97 mph (167.33 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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