| Buy this Vehicle if | A 500-hp luxury coupe makes for the ideal personal reward; you prefer four seats to the mere two of some rival models; you love BMW’s exclusive M cars and all they represent. |
| Keep Looking if | A sport sedan like the M5 makes more practical sense; you prefer a purer sports car like the Aston Martin V8 Vantage, BMW Z4 M Coupe or Porsche 911 S; a $25,000 premium over the BMW 650i seems too high. |
| Who Fits? | Two adults up front, two children or average-size adults in back, but only for short trips — and only if folks up front are willing to slide their seats forward. |
| Options Worth Splurging on | Full-leather interior and alcantara headliner ($3,500); high-definition radio ($500); satellite radio, including one-year subscription ($595); carbon-fiber interior trim ($300). |
| Closest Competitors | • Cadillac XLR-V • Jaguar XKR • Mercedes-Benz SL55 AMG • Porsche 911 |
| Click here to compare competing models. |
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