BMW 650i vs. Porsche 911 Carrera? And what's the biggest difference of a V6 and V8?

I'm looking to buy a new car and these are my top choices are roughly the same price. I know most people prefer V8's over V6 but I don't know why. I'm not really a car fanatic so please be clear and specific. I have test drove the BMW but not the Porsche yet. The BMW seems... Read More

  • 2010 BMW 650i: 4.8 litre V8 developing 360 HP; 6-speed auto trans ( http://autos.yahoo.com/bmw_6_series_650i_coupe-specs/ ) Weight - 3814 pounds 2010 Porsche 911S: 3.8 litre flat 6 developing 385 HP; 6-speed manual or PDK (say "amazing") 6-speed auto trans (... Read More
  • A 650i is a sporty car but a 911 is on a completely different level of performance. To put this into terms that the average person would understand, it's like you're comparing a Camry SE with a Corvette. They're completely different cars. Once you drive the Carrera it will be very obvious that the cars aren't similar... Read More
  • Both are great cars. The Porsche is more of a sports car, and the BMW is more of a grand tourer. The Porsche uses a B6 (boxer 6-cylinder) horizontally opposed engine. It is very powerful and has a great and unique sound. The Porsche has a better power to weight ratio, and interesting dynamics. The Porsche will be much... Read More
  • the 911 isnt a v6, its a flat 6 therefore giving the unique engine note, the 650 cant really be compared can it ? a big heavy coupe against a well sorted much lighter and faster 911... no contest... get a ferrari
  • biggest V6 has 6 cylindes and a V8 has the Carrera is not a V6, it is an opposed 6 cylinder yes they do ride a little rough...one thing you give up(alomg w/ space) but it is a true sports car how much horse power do you need??

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Other Choices:

Few cars can match the 2008 Porsche 911's terrific performance and looks. The Jaguar XKR comes close--with larger rear seats, an even sexier profile, and a much more lavish interior. The AMG version of Mercedes-Benz's SL roadster retains the folding hardtop and stuffs in a V-8 with 538 horsepower. The most powerful Chevrolet Corvette ever, the 638-horsepower ZR1, arrives this year as a 2009 model.

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