Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-17 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.04 (661.3) | 25.66 (651.8) | -0.37 (-9.5) -1.4% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 81.79 (2077.54) | 80.62 (2047.69) | -1.18 (-29.85) -1.4% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 4.33 (110) | -0.19 (-4.75) -4.1% |
| Revolutions per mile (km) | 774.64 (481.34) | 785.93 (488.35) | 11.29 (7.02) 1.5% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.64 mph (39.66 km/h) |
| 30 mph (48.28 km/h) | 29.57 mph (47.59 km/h) |
| 35 mph (56.33 km/h) | 34.5 mph (55.52 km/h) |
| 40 mph (64.37 km/h) | 39.43 mph (63.45 km/h) |
| 45 mph (72.42 km/h) | 44.35 mph (71.38 km/h) |
| 50 mph (80.47 km/h) | 49.28 mph (79.31 km/h) |
| 55 mph (88.51 km/h) | 54.21 mph (87.24 km/h) |
| 60 mph (96.56 km/h) | 59.14 mph (95.17 km/h) |
| 65 mph (104.61 km/h) | 64.07 mph (103.1 km/h) |
| 70 mph (112.65 km/h) | 68.99 mph (111.04 km/h) |
| 75 mph (120.7 km/h) | 73.92 mph (118.97 km/h) |
| 80 mph (128.75 km/h) | 78.85 mph (126.9 km/h) |
| 85 mph (136.79 km/h) | 83.78 mph (134.83 km/h) |
| 90 mph (144.84 km/h) | 88.71 mph (142.76 km/h) |
| 95 mph (152.89 km/h) | 93.64 mph (150.69 km/h) |
| 100 mph (160.93 km/h) | 98.56 mph (158.62 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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