Overview & Reviews

The S4 now has brushed aluminum for its interior trim highlights; gray birch and carbon-fiber trim are optional. The torque split for the quattro system has been revised to 40 front/60 rear on manual transmission cars. A special edition, called the 25quattro, is released to celebrate a quarter century of Audi's superb all-wheel-drive system.

• Broad power band, confident handling, high-quality materials and attractive cabin design, available as a sedan, wagon or convertible.

• Small backseat.

User Reviews:

Showing 11 through 20 of 21.00

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  This car is so fun to drive!!! - 2006 Audi S4
  By Matt H - March 8 - 12:48 am

  Ive owned my 06 S4 for 3 months now and I never thought driving a car could be this fun. The AWD, V8, and 4 doors are mostly why I chose it over the BMW M3. The 40/60 torque differential is also a big plus, but note that the S4s w/tiptronic do not have this feature. This car loves gasoline and I average about 17-18mpg overall, but if you can afford this car and you crave performance then gas mileage should not be an issue. The cornering is amazing and the AWD really keeps the car glued to the road. Ive even driven on snow covered roads with performance tires and had no drama at all. This car does everything.

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  Impressive - Sure footed - 2006 Audi S4
  By Frequent Buyer - March 6 - 12:54 pm

  I am a frequent car buyer that is infatuated with performance and style. My previous cars include, 3-Series BMWs, Sabb 9-3 Viggen, Lexus IS300 - all bought new. I seem to always a reason why I need a new car. So this time I spent a lot of attention to Audi S4, BMW M3, Lexus IS 350, and Infiniti G35 coupe. After considerable test drive, the German choices were obvious for their fun to drive feel and style. Considering the off track use of the car and actual fun to drive feeling for us non-professional mere mortals, the Audi S4 proved to be the best choice. It has been 3 months and has definitely proven to be the best choice from the dealership experience, to its outstanding driving pleasure.

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  Best car Ive ever owned - 2006 Audi S4
  By John L - March 2 - 11:21 am

  I have owned Caddys Lexus Lincolns BMW and Mercedes. This car, especially since it is a convertible, is the best car I have ever owned. Fast response. Tons of power. Great on highway and especially fun going through the mountains. Im 6 1" and I cant believe the spacious feeling even when the top is up.

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  Never Loved a Car Until the S4 - 2006 Audi S4
  By Adam05.5 S4 - November 27 - 8:41 pm

  Fantastic car! Ive had Porsches, BMW Ms, and this 05.5 S4 is really the first car I really love. Its a great balance of understatement with raw power and fun. Fuel economy and lack of a few technical toys available on some 30k cars are my only complaints. Car handles fantastically. With winter tires, its unbelievable in the snow. No complaints! The exhaust note is just PERFECT.

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  Simply the finest car on the road - 2006 Audi S4
  By S4Ken - October 31 - 5:44 pm

  I dont care what anybody says, Audi has blown away MBZ and BMW in the worst way with this car. There is nothing this car cannot do... I can go in the snow without chains, but smoke Mustang Cobras all day long at the same time. Mileage is poor, but if you are worried about MPG, you have no business owning a car of this caliber. This is my 3rd Audi, and definately not my last. I have owned MBZs, Lexus, and had much experience with Beemers, but this car embarrasses them.

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  Luxury Speedster - 2006 Audi S4
  By Eugene - October 1 - 12:43 pm

  Awesome car! Performance, styling and comfort make this car so much better then the previous S4.

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  rocketship - 2006 Audi S4
  By chuck williams - August 16 - 10:59 am

  I have owned a lot of vehicle and would have to say that my s4 is by far the best I have ever owned. the accerlation is mind boggling. The car handles at high speed better than my old m3. The sound of the motor is music to anyones ears. especially over 5k on the tach.

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  Actually a 2006 Cabriolet - 2006 Audi S4
  By dreward - July 31 - 3:54 pm

  I have just received my 2006 S4 Cabriolet (Silver with red leather seats) and so far it is great. The driving has been smooth with a slight edge and I can honestly say I have never had so much fun behind the wheel of a car. It has the bluetooth prep which works well but does not transfer the phone book or control the phone directly this is in my view a bug and needs to be corrected. If phone book transfer directly from the phone is tough why not at least allow phone book transfer from the SD card? The sound system is stellar even my wife (who is notoriously picky and sensitive to volume) tells me to crank it up