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2006 Cadillac STS Overview


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Avg. Price: $12,159
Avg. Price: $13,851

Cadillac STS Experts

#1 tenspeed
Reputation 140
#2 Richard Schroer
Richard Schroer
Reputation 40
#2 Tom Demyan
Tom Demyan
Reputation 40
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Average User Score

4.55 stars

Based on 11 reviews

My Dream Car by Suzila
 — I own a 2006 Cadillac STS in white diamond with a cashmere interior. Just saying those words make me feel warm and fuzzy. This is my 'dream car'. I just recently got it, it was previously owned, and... Read More
Love This Car, Very Comfortable And Has Style And Rides Smooth And Quite. by Preston
 — With it being a keyless, I have left my car running several times and not know it until I go back to my car and the A/C is still on...I've had to have the battery changed out a couple of times because... Read More
Best Car I Have Owned, Hands Down! by Richard
 — 320 HP performance, sport/manual shift option The most fun I have had driving in 30 years Very Quiet (a little more exhaust growl would be nice) All Wheel Drive is awesome Magnetic Ride Control on t... Read More

2006 Cadillac STS Overview

Overall User Score

4.5 out of 5 stars4.5 out of 5 stars4.5 out of 5 stars4.5 out of 5 stars4.5 out of 5 stars4.55

Based on 11 reviews

2006 Cadillac STS

Besides an option for AWD on the V6 trim and a few new exterior colors, not too much changed for the luxury sedan in 2006.  The STS comes in two trims: V6 and V8.  The V6 uses a 3.6 L, 255 hp V6 powertrain with 5 speed automatic transmission while the V8 uses a 4.6 L, 320 hp V8 engine.  Both trims have 4 doors and seat 5.

On average, expect to get 16 mpg in the city and 24 on the highway.  Standard features include air conditioning, power windows, power door locks, power/leather seats, cd player, ABS brakes, traction control, and stability control.  Options include sunroof and navigation system.  You and your passengers will have 103 cubic feet of room to stretch and 13.8 cubic feet in the trunk.

Overall, drivers have a lot to like about the 2006 Cadillac STS.  The optional AWD in the V6 trim, optional Bose system in the V8, and low price for a full-size luxury sedan make the STS particularly appealing.  On the other hand, reviewers can tell that this domestic vehicle doesn't quite measure up to its foreign competition when it comes to interior materials.  The 2006 Cadillac STS gets a solid grade from its drivers as a capable successor to the acclaimed Seville.


What's your take on the 2006 Cadillac STS?

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Looking for a Used STS in your area?
CarGurus has 1,637 nationwide STS listings starting at $3,590.

Cadillac STS Questions

Alfredo Jones

Misfire In The #8 Cylinder

I have a misfire in the #8 cylinder. I changed the sparkplugs and the ignition coil and I still have the misfire. I checked the compression in the cylinder and it is up to par. Checked to ensure t...

155 views with 3 answers (last answer about a week ago)
Larry Bradley

What Is Considered High Miles On A Northstar V8 Engine And When Does Things...

7 views with no answers yet

How To Replace The Starter Motor On A 2006 Sts

what needs to be removed to get the starter out?

41 views with no answers yet
Chris Harris

What To Do About Hard Power Sterring? Is It Electronic And What Should I Do...

Feels as though the power steering is not working. I don't believe there is a pump.

47 views with no answers yet

Always Turns Over And Usually Starts Up Immediately But Occasionally Takes ...

VERY STRANGE: 2006 Cadillac STS - Normally a very stable very well maintained car. Has a battery a bit over a year old - never low cranking speed. Always turns over when you push the start button. M...

96 views with no answers yet