Overview & Reviews

The 6 Series coupe is back after a 14-year hiatus from the BMW lineup. With eight-cylinder power and all the latest technology, it has the necessary ingredients to take on the world's finest luxury two-doors.

• Nimble handling for a big coupe, endless power from ultrasmooth V8, elegant interior design.

• IDrive controller is improved but still a nuisance, only one engine option.

User Reviews:

Showing 1 through 10 of 63.00

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  This is the best BMW I have ever driven - 2004 BMW 6-Series
  By Smoove - May 23 - 8:11 pm

  I purchased my first BMW in 1987, a BMW 325is. Since then I have owned a BMW 528i, 328i convertible, 1988 M6, 540i, 745Li and now I own a 2004 BMW 645ci Convertible. I will tell you this as a prior BMW owner this is the best BMW I have ever owned. I love this car so much I cant bring my self to even drive it in the rain. I only have 14,000 miles on the car. This car turns heads, causes other vehicles horns to blow and lights to flash when approaching. My Lady always wants to a company me in the passenger’s seat. Shes is nobodys fool. She knows wherever this car goes there is a lot of attention given and she enjoys being apart of it. This is truly an Ultimate Driving Machine.

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  This is my second 645 Ci ! I LOVE IT! - 2004 BMW 6-Series
  By BFLONY2 - April 29 - 11:15 am

  You should know youre going to have a timeless classic that is the best driving car you will ever own! Just drive one; any one. You will want it and make it happen if youre lucky. It is perfectly designed and balanced with flawless road manners. My mouth waters, thinking of it. I keep it in storage for the Buffalo Winters. My first one, I had on the road for occasional winter driving and it was fine.

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  Awesome - 2004 BMW 6-Series
  By plasticman99 - December 30 - 9:35 am

  Awesome is the only word to describe this vehicle. Engine performance, handling, braking, comfort, exterior, accessories-it has it all. The closest to perfection I have seen.

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  Beauty in motion - 2004 BMW 6-Series
  By Davem - November 13 - 6:20 pm

  A blast to drive - cant leave it in the garage and take the Lexus!

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  Outstanding - 2004 BMW 6-Series
  By 04/645ci - July 10 - 7:50 pm

  A dream come true. I am a car fanatic and I have had cars ranging from Fords to Mercedes to a Viper. The moniker "the ultimate driving experience" is so true. I love my 645ci with the sport package and 6 speed manual. Performance and handling is exceptional and the sport seats are so comfortable yet will hold you in place when you zip into the twisties. No complaints against the car not even the I drive which once you get used to becomes second nature.

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  Sporty yet practical. - 2004 BMW 6-Series
  By Dr. Karl - January 17 - 4:18 pm

  Just invested in a used 2004 645Ci convertible, Sapphire black on cream leather with a 6-speed manual transmission, with only 16000 miles... great vehicle!! Combining performance, fun-to-drive factor and practicality (can take some friends in comfort in back seat). Although the design is now nearly 3 years old, the 645s beauty will never age. Would recommend the car to anyone with car-fever.

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  Best Car I ever owned - 2004 BMW 6-Series
  By Rick B. - August 3 - 2:51 pm

  I have owned 6 BMWs in my life starting with the 2002tii in 1974 and continuing through a 530i, 633csi, 740iA, 745i and now the 645. It is by far the best car I have ever owned and still makes me smile after 2 years of driving.

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  The feel good factor is priced in! - 2004 BMW 6-Series
  By voldiver - March 1 - 9:49 pm

  The 645 is truly "sport" luxury. Not nimble and quick but muscular and responsive. The extra horses of the 650 should help. The iDrive is not difficult...if you cant figure it out you most likely cant afford the car anyway!

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  Porsche 911 Carrera meets practicality! - 2004 BMW 6-Series
  By puffysheep - February 11 - 12:40 am

  I would choose BMWs over Mercedes and other equivalent cars. Having said that only cars I would drool over this one are BMW M5 and M6. I got this car with full option and everything ranging from parking distance control to cold weather packages, all very useful. If you hear people complaining about the BMW iDrive system, dont believe them. Unless you are very old- fashioned and dont know how to use a computer, you wont have a problem with the iDrive function. This car has a surprisingly big trunk and back seats are plenty for people under six feet tall. This car drives like a Porsche 911 but it can also be driven like a luxury sedan so its lot more practical for everyday use.

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  Not an M6, but it is pretty.... - 2004 BMW 6-Series
  By carlb9 - January 20 - 1:40 pm

  The vehicle handles wonderfully and weight is perfect. One of the best 2 door convertible on the market... The Aston Martin Convertible DB9 is the only thing that can touch it...