The 550i has been compared to the Lexus GS450h in the July issue of R&T.
550i (six speed):
0-60: 5.0
0-100: 12.1
1/4 mile: 13.5 @ 105.0 mph
skidpad: 0.92g
slalom: 65.3 mph
GS450h
0-60: 5.3
0-100: 12.5
1/4 mile: 13.8 @ 105.4
skidpad: 0.83g
slalom: 60.7 mph
The BMW has slightly faster times due to the 6-speed vs. CVT (probably gave a better launch) , but you can see with the 450h that the 1/4 mile trap speed is slightly higher, so real-world thrust should be about the same for both. The 550i is significantly better handling. The test car had a sport package, but not the M-sport.
The 550i is also a little heavier than I thought at 3945 lbs curb weight...thought it was 3800.
Either way, these are very impressive numbers for 4000 pound sedans!
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| Reply » Road and Track - 550i Tested |
Quote: | The test car had a sport package, but not the M-sport. | What is the M-sport? I assume you are not talking about an M5.
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| Reply » Road and Track - 550i Tested |
Although the numbers were quite similar in many ways, talk about apples to plums. I could have come up with several different cars to put up against the 550. The Lexus was not one of them. Must be slow around the R&T offices lately.
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| Reply » Road and Track - 550i Tested |
Lexus 
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| Reply » Road and Track - 550i Tested |
Quote: | Although the numbers were quite similar in many ways, talk about apples to plums. I could have come up with several different cars to put up against the 550. The Lexus was not one of them. Must be slow around the R&T offices lately. |
Nah, they just know who's spending the advertising dollars.
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| Reply » Road and Track - 550i Tested |
Quote: | What is the M-sport? I assume you are not talking about an M5. | It has the M5 (or at least a similar) body kit with side skirts and diffuser, and the 19" M5 wheels. Also stiffer suspension, M door sill plates and an M steering wheel. Chrome trim is also blacked out ("high gloss shadow line").
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Road and Track - 550i Tested