Overview & Reviews

Not much changes on the 2006 Cadillac STS. Items of note include the availability of all-wheel drive on V6-equipped cars, a standard Bose audio and navigation system as part of the V8 luxury package, and optional 18-inch wheels.

• Full-size car at a midsize price, nimble road feel, powerful engine options, available all-wheel drive, optional Bose stereo is one of the best in its class.

• Sporty bucket seats might be a bit firm for some, plastic interior panels not quite up to German standards, only one transmission available.

User Reviews:

Showing 1 through 10 of 80.00

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  Best Car We Ever Drove - 2006 Cadillac STS
  By stser - August 11 - 3:13 pm

  Bought new in June 2006 for my wife and two middle school boys. Boys are grown and gone, but car is still excellent. 108,000 miles and counting. Lots of short cold winter starts which can really wear on an engine, but no problems. Used synthetic oil and changed only every 10,000 miles. Ash tray covers (f&b) both broke off, and the bushings in the front suspension have moved out of place so we do get some clunking noises over bumps. Both headlamps burned out within months of each other and were costly to replace because the whole front end had to come off. On third set of tires, otherwise no issues. If looking at used...I would buy my car again. Hope to keep it another 100,000 miles. Good GM!

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  Cadillac Delivers Excellence, GM does not. - 2006 Cadillac STS
  By darkmatter - May 28 - 6:53 pm

  I purchased my 3.6L v6 STS fully loaded for $10,000 after my previous Cadillac, a 2000 Deville DHS, was totaled from hail damage. I needed to get a new car quickly, and I had my first Cadillac for so long with no issues I wanted to stick to the brand. When I first sat in the vehicle the overwhelming number of "intuitive" features was extremely intimidating. Overtime, they grew on me, and the immense customization became a tool from the vehicle to optimize a perfect driving experience. However, with all the great number of features and beautiful styling of the car I found it was easy to overlook the mechanics. One week after I purchased the vehicle, I noticed a "clicking" noise. Continued:

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  No regrets - 2006 Cadillac STS
  By eracism - September 15 - 2:00 am

  I purchased the vehicle with 56,000 miles on it. I drive around 3,000 miles a month. I am 66" tall. The car is comfortable and rides great. It is a V6 and has enough power. I am partial to caddys. My first car was a 1970 sedan deville. I should have purchased the all wheel drive for I live up north and the car is terrible in the snow. I currently have 114,000 miles on it with no problems. i change the oil every 3,000 miles. I am looking forward to reaching 200,000 miles.

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  I love this car - 2006 Cadillac STS
  By Jeff lapsker - June 23 - 11:05 pm

  I drove Japanese cars my whole life. I am 52. This 2006 STS V-8 was purchased with 28,000 miles in June of 2010. Paid 21,000 and added a $3,000 bumper to bumper additional 50,000 mile warranty. This car is solid, No outside noise heard. Beautiful on the outside and inside. The most powerful engine Ive ever had and it moves effortlessly. The tach never has to go higher than 2200 rpm even at 80 mph. There is a penalty for all this power. I probably will spend $1500- 2000 more money in gas per year than my V-6 Maxima and avalon engines. I couldnt afford a new STS. So I got lucky getting an 06 with only 28,000 miles. And it doesnt have a scratch. Looks like new. Who uses the glove box

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  Simply the Best - 2006 Cadillac STS
  By c77ward - September 26 - 3:31 pm

  Bought a Cadillac STS after trying all car makers, BMW, Mercedes, Acura and Went back home to the General. I am a car enthusiast and have owned over 20 cars in a 25 year time span. Cadillac has matched or beat the competition with the new sigma platform & V8 VVTI Northstar. For too many years, Auto magazines have prejudiced Car Buyers from buying American Luxury, I dare anyone serious about buying a top end luxury car with tons of bells and whistles and high end power to test drive this car. It can rival or beat any E or 5 series German Made Car with no match. 5.9 0-60 on my 2wd STS is comparable to the german made,and the Spec V is faster. The ride far surpasses anything they can muster.

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  Great STS - 2006 Cadillac STS
  By The Maj - July 14 - 3:37 pm

  I have owned Lincolns, Pontiacs, and Buicks, but this STS is the best vehicle I have ever owned, from styling to the ride comfort, this car is the best and if you like bells and whistles, no car out there can match it. But I would definitely get a warranty, too many things could go wrong. I see why Cadillac owners are always Cadillac owners

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  Best caddy so far - 2006 Cadillac STS
  By cuda783 - June 26 - 11:40 pm

  This is my third Sts and I would say this is the best one yet. I have owned the last three style changes of the car. Mine is the fully loaded v-8 awd model, with nav, headsup, and mag ride control. I have a 03 CTS and a 05 ESV and I would have to say I like this the best. Price is a little steep at $72,000 with all the options but it sure beats giving the Japanese more money! If you are worried about the gas, you cant afford the car! The v-8 is just as good on gas as the Cts with the 6cyl

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  Cadillac STS Awd - 2006 Cadillac STS
  By Cadillac STS - September 15 - 12:39 pm

  Ive had my STS 14 months now.I dont know what problems other people are having, but my STS has not seen the dealer since I bought it. The only thing I have done is changed oil at 9400 miles and rotate the tires at the same time. I average 20 mpg , not bad could be better. The exterior design is beautiful, although standard wheels should be 18s. The interior is beautiful with exception of cheap hard plastics on the center stack. Seats are to firm. Overall I love the car, well that is until I saw the 08 CTS. I kind of feel like I am driving an old mans car next to the new CTS.

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  Cadillac Man! - 2006 Cadillac STS
  By Mark Anthony - July 27 - 1:45 pm

  This is my 5th new Cadillac and so far the best. People are in awe when I tell them the features. Windows down by voice, push button start, keyless access, just walk up to the car and the car door opens automatically. 15 speaker Bose stereo and navigation screen, it even plays DVDs and MP3s! The automatic transmission shifts without the clutch. I just love this car. I clean it everyday!

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  STS Purchase - 2006 Cadillac STS
  By JT - April 29 - 7:01 pm

  I traded in my CTS from an 2006 STS last year and have been very pleased with the purchase to date. Ive had no issues with this vehicle. It has been extremely reliable. I compared with a BMW 5-series before purchasing my STS, and in my opinion the Cadillac offers much more value for the money. The touchscreen interface is very intuitive and easy to use, and in my opinion far superior to the German systems.