Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-19 | 285/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.68 (703.1) | 29.1 (739.1) | 1.42 (36) 5.1% |
| Width inches (mm) | 9.65 (245) | 11.22 (285) | 1.57 (40) 16.3% |
| Circum. inches (mm) | 86.96 (2208.85) | 91.42 (2321.95) | 4.45 (113.1) 5.1% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 5.05 (128.25) | 0.71 (18) 16.3% |
| Revolutions per mile (km) | 728.59 (452.72) | 693.1 (430.67) | -35.49 (-22.05) -4.9% |
285/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.02 mph (33.83 km/h) |
| 25 mph (40.23 km/h) | 26.28 mph (42.29 km/h) |
| 30 mph (48.28 km/h) | 31.54 mph (50.75 km/h) |
| 35 mph (56.33 km/h) | 36.79 mph (59.21 km/h) |
| 40 mph (64.37 km/h) | 42.05 mph (67.67 km/h) |
| 45 mph (72.42 km/h) | 47.3 mph (76.13 km/h) |
| 50 mph (80.47 km/h) | 52.56 mph (84.59 km/h) |
| 55 mph (88.51 km/h) | 57.82 mph (93.05 km/h) |
| 60 mph (96.56 km/h) | 63.07 mph (101.5 km/h) |
| 65 mph (104.61 km/h) | 68.33 mph (109.96 km/h) |
| 70 mph (112.65 km/h) | 73.58 mph (118.42 km/h) |
| 75 mph (120.7 km/h) | 78.84 mph (126.88 km/h) |
| 80 mph (128.75 km/h) | 84.1 mph (135.34 km/h) |
| 85 mph (136.79 km/h) | 89.35 mph (143.8 km/h) |
| 90 mph (144.84 km/h) | 94.61 mph (152.26 km/h) |
| 95 mph (152.89 km/h) | 99.86 mph (160.72 km/h) |
| 100 mph (160.93 km/h) | 105.12 mph (169.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1764 | 2049 | 2207 | 2304 | 2409 | 2484 | 2567 | 2664 | 2800 | 2935 | 3085 | 3205 | 3423 | 3663 | 3850 | 3970 | 4038 | 4286 | 4631 | 5381 |
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