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Compare 2008 Audi A6 vs 2009 Cadillac STS

2008 Audi A6
2009 Cadillac STS
Add Vehicle
Select style
4-Door Avant Wgn 3.2L quattro
Style MPG City MPG Hwy Invoice MSRP
A6 4-Door Avant Wgn 3.2L quattro 17 25 $45,570 $49,000
A6 4-Door Sedan 3.2L FrontTrak 18 27 $39,943 $42,950
A6 4-Door Sedan 3.2L quattro 17 25 $42,873 $46,100
A6 4-Door Sedan 4.2L quattro 16 23 $52,361 $56,300
S6 4-Door Sedan 14 19 $67,285 $72,350
Select style
4-Door Sedan V6 AWD w/1SA
Style MPG City MPG Hwy Invoice MSRP
STS 4-Door Sedan V6 AWD w/1SA 17 26 $44,034 $46,845
STS 4-Door Sedan V6 AWD w/1SB 17 26 $44,034 $46,845
STS 4-Door Sedan V6 RWD w/1SA 17 26 $44,034 $46,845
STS 4-Door Sedan V6 RWD w/1SB 17 26 $44,034 $46,845
STS 4-Door Sedan V6 RWD w/1SC 17 26 $44,034 $46,845
STS 4-Door Sedan V8 AWD w/1SG 15 22 $52,964 $56,345
STS 4-Door Sedan V8 RWD w/1SE 15 24 $52,964 $56,345
STS 4-Door Sedan V8 RWD w/1SG 15 24 $52,964 $56,345
STS-V 4-Door Sedan 13 19 $76,069 $81,795
Pricing
Invoice Price
$45,570
$44,034
Manufacturer Suggested Retail Price
$49,000
$46,845
Monthly Payment Estimate
$817 / month
$781 / month
The Car Connection's Take
TCC Rating
8.6
7.6
TCC’s Bottom Line
The 2008 Audi A6 has plenty of competition, but its graceful look and feel set it apart from more brutal German and more clinical Japanese iron. The 2009 Cadillac STS isn’t a standout for looks, but you’ll appreciate the way it drives.
TCC Likes
TCC Dislikes
Fuel Economy
City
17 mpg 17 mpg
Highway
25 mpg 26 mpg
Vehicle
EPA Classification
Midsize Station Wagon Mid-Size
Interior Dimensions
Front Leg Room (in)
41.3 42.6
Front Hip Room (in)
- TBD - 54.6
Second Leg Room (in)
36.9 38.3
Front Head Room (in)
37.6 38.7
Passenger Volume (ft³)
96.7 102.9
Second Hip Room (in)
- TBD - 55.6
Front Shoulder Room (in)
57.1 58.6
Second Head Room (in)
38.0 37.9
Passenger Capacity
5 5
Second Shoulder Room (in)
55.9 57.4
Exterior Dimensions
Liftover Height (in)
- TBD - - TBD -
Track Width, Rear (in)
62.9 62.3
Wheelbase (in)
111.9 116.4
Rear Door Opening Height (in)
- TBD - -
Width, Max w/o mirrors (in)
79.2 72.6
Track Width, Front (in)
62.7 61.8
Min Ground Clearance (in)
4.6 - TBD -
Length, Overall (in)
194.2 196.7
Rear Door Opening Width (in)
- TBD - -
Height, Overall (in)
58.2 57.6
Cargo Area Dimensions
Cargo Area Length @ Floor to Seat 2 (in)
- TBD - -
Cargo Volume to Seat 2 (ft³)
33.9 -
Cargo Area Width @ Beltline (in)
- TBD - -
Cargo Box (Area) Height (in)
- TBD - -
Cargo Area Length @ Floor to Seat 1 (in)
- TBD - -
Cargo Volume to Seat 1 (ft³)
- TBD - -
Cargo Area Length @ Floor to Seat 3 (in)
NA -
Cargo Volume to Seat 3 (ft³)
NA -
Cargo Box Width @ Wheelhousings (in)
- TBD - -
Trunk Volume (ft³)
- 13.8
Brakes
Rear Brake Rotor Diam x Thickness (in)
11.9 x 0.47 11.7 x 1.0
Brake Type
Pwr Pwr
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
12.6 x 1.18 11.9 x 1.3
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-wheel
Disc - Rear (Yes or )
Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.1 17
Steering
Steering Type
Pwr Rack & Pinion Pwr rack & pinion
Lock to Lock Turns (Steering)
2.74 3.0
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), Overall
16.1 18.2
Turning Diameter - Curb to Curb (ft)
39.0 36.9
Tires
Spare Tire Order Code
- TBD - SGC
Rear Tire Size
- TBD - P235/50SR17
Rear Tire Order Code
- TBD - QKP
Front Tire Size
- TBD - P235/50SR17
Spare Tire Size
- TBD - NA
Front Tire Order Code
- TBD - QKP
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - 100
Wt Distributing Hitch - Max Tongue Wt. (lbs)
- TBD - NA
Dead Weight Hitch - Max Trailer Wt. (lbs)
- TBD - 1000
Wt Distributing Hitch - Max Trailer Wt. (lbs)
- TBD - NA
Weight Information
Base Curb Weight (lbs)
4211 4125
Wheels
Rear Wheel Size (in)
18 x 8.0 17 x 7.5
Front Wheel Material
Alloy Aluminum
Spare Wheel Material
Alloy NA
Front Wheel Size (in)
18 x 8.0 17 x 7.5
Spare Wheel Size (in)
- TBD - NA
Rear Wheel Material
Alloy Aluminum
Cooling System
Total Cooling System Capacity (qts)
10.1 10.9
Electrical
Maximum Alternator Capacity (amps)
180 - TBD -
Cold Cranking Amps @ 0° F (Primary)
380 - TBD -
Engine
SAE Net Torque @ RPM
243 @ 3250 272 @ 5200
Engine Order Code
NA LLT
Displacement
3.2L/191 3.6L/220
SAE Net Horsepower @ RPM
255 @ 6500 302 @ 6300
Engine Type
Gas V6 Gas V6
Fuel System
FSI DI
Mileage
EPA Fuel Economy Est - Hwy (MPG)
25 26
EPA Fuel Economy Est - City (MPG)
17 17
Fuel Economy Est-Combined (MPG)
- 20
Transmission
Sixth Gear Ratio (:1)
0.69 0.67
First Gear Ratio (:1)
4.17 4.06
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.52 1.55
Trans Type
6 6
Seventh Gear Ratio (:1)
NA -
Fifth Gear Ratio (:1)
0.87 0.85
Trans Description Cont. Again
NA NA
Drivetrain
All-Wheel Drive All Wheel Drive
Reverse Ratio (:1)
3.40 3.20
Second Gear Ratio (:1)
2.34 2.37
Trans Order Code
NA MX7
Final Drive Axle Ratio (:1)
3.54 3.23
Fourth Gear Ratio (:1)
1.14 1.16
Trans Description Cont.
Automatic w/OD Automatic
Summary
Body Style
4 Door Wagon 4 Door Sedan
Vehicle Name
Audi A6 Cadillac STS
Suspension
Suspension Type - Rear (Cont.)
NA NA
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Four-Link Independent
Stabilizer Bar Diameter - Rear (in)
- TBD - 0.94
Suspension Type - Front (Cont.)
NA NA
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - 1.3
Suspension Type - Rear
Trapezoidal-Link Independent
Emissions
EPA Greenhouse Gas Score
- 5

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