Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-19 | 275/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.1 (739.1) | 28.74 (730.1) | -0.35 (-9) -1.2% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 91.42 (2321.95) | 90.3 (2293.68) | -1.11 (-28.27) -1.2% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 4.87 (123.75) | -0.18 (-4.5) -3.5% |
| Revolutions per mile (km) | 693.1 (430.67) | 701.64 (435.98) | 8.54 (5.31) 1.2% |
275/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.76 mph (31.8 km/h) |
| 25 mph (40.23 km/h) | 24.7 mph (39.74 km/h) |
| 30 mph (48.28 km/h) | 29.63 mph (47.69 km/h) |
| 35 mph (56.33 km/h) | 34.57 mph (55.64 km/h) |
| 40 mph (64.37 km/h) | 39.51 mph (63.59 km/h) |
| 45 mph (72.42 km/h) | 44.45 mph (71.54 km/h) |
| 50 mph (80.47 km/h) | 49.39 mph (79.49 km/h) |
| 55 mph (88.51 km/h) | 54.33 mph (87.44 km/h) |
| 60 mph (96.56 km/h) | 59.27 mph (95.39 km/h) |
| 65 mph (104.61 km/h) | 64.21 mph (103.33 km/h) |
| 70 mph (112.65 km/h) | 69.15 mph (111.28 km/h) |
| 75 mph (120.7 km/h) | 74.09 mph (119.23 km/h) |
| 80 mph (128.75 km/h) | 79.03 mph (127.18 km/h) |
| 85 mph (136.79 km/h) | 83.96 mph (135.13 km/h) |
| 90 mph (144.84 km/h) | 88.9 mph (143.08 km/h) |
| 95 mph (152.89 km/h) | 93.84 mph (151.03 km/h) |
| 100 mph (160.93 km/h) | 98.78 mph (158.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1786 | 2074 | 2234 | 2333 | 2439 | 2515 | 2599 | 2697 | 2834 | 2971 | 3123 | 3244 | 3465 | 3708 | 3898 | 4019 | 4088 | 4339 | 4688 | 5448 |
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