The M550i xDrive slotted a twin-turbo 4.4L V8 into the G30 5 Series with all-wheel drive and none of the M5's visual volume. In later 523-hp form it was one of the great sleeper sedans of its era — within a step of the M5's pace at a fraction of the attention.
Specifications
| Year | 2018 |
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| Make | BMW |
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| Model | M550i xDrive |
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| Engine | 4.4L 8-cylinder |
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| Top Speed | 155 mph |
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| Transmission | Automatic (S8) |
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| Drivetrain | AWD |
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| Fuel | Premium Gasoline |
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| EPA MPG (City/Hwy) | 16 / 25 |
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The 2018 model year
The M550i badge debuted in the U.S. for 2018 with a 456-hp N63 V8.
BMW M550i xDrive by year
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