Compare 2008 Audi A6 vs 2009 Cadillac STS

2008 Audi A6
2009 Cadillac STS
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4-Door Sedan 3.2L FrontTrak
Style MPG City MPG Hwy Invoice MSRP
4-Door Sedan 3.2L FrontTrak 18 27 $39,943 $42,950
4-Door Sedan 3.2L quattro 17 25 $42,873 $46,100
4-Door Avant Wagon 3.2L quattro 17 25 $45,570 $49,000
4-Door Sedan 4.2L quattro 16 23 $52,361 $56,300
Select style
4-Door Sedan V6 RWD w/1SC
Style MPG City MPG Hwy Invoice MSRP
4-Door Sedan V6 AWD w/1SA 17 26 $44,034 $46,845
4-Door Sedan V6 AWD w/1SB 17 26 $44,034 $46,845
4-Door Sedan V6 RWD w/1SA 17 26 $44,034 $46,845
4-Door Sedan V6 RWD w/1SB 17 26 $44,034 $46,845
4-Door Sedan V6 RWD w/1SC 17 26 $44,034 $46,845
4-Door Sedan V8 AWD w/1SG 15 22 $52,964 $56,345
4-Door Sedan V8 RWD w/1SE 15 24 $52,964 $56,345
4-Door Sedan V8 RWD w/1SG 15 24 $52,964 $56,345
Pricing
Invoice Price
$39,943
$44,034
Manufacturer Suggested Retail Price
$42,950
$46,845
Monthly Payment Estimate
$716 / 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
18 mpg 17 mpg
Highway
27 mpg 26 mpg
Vehicle
EPA Classification
Midsize Mid-Size
Interior Dimensions
Second Hip Room (in)
- TBD - 55.6
Front Shoulder Room (in)
57.1 58.6
Second Head Room (in)
37.8 37.9
Passenger Capacity
5 5
Second Shoulder Room (in)
55.9 57.4
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)
38.7 38.7
Passenger Volume (ft³)
97.9 102.9
Exterior Dimensions
Min Ground Clearance (in)
4.6 - TBD -
Length, Overall (in)
193.5 196.7
Height, Overall (in)
57.4 57.6
Track Width, Rear (in)
63.7 62.3
Wheelbase (in)
111.9 116.4
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
71.3 72.6
Track Width, Front (in)
63.5 61.8
Cargo Area Dimensions
Trunk Volume (ft³)
15.9 13.8
Brakes
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-wheel
Disc - Rear (Yes or )
Yes Yes
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
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.1 17
Steering
Steering Ratio (:1), Overall
16.1 18.2
Turning Diameter - Curb to Curb (ft)
39.0 38.8
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 -
Tires
Rear Tire Order Code
- TBD - Q12
Front Tire Size
- TBD - P235/50WR18
Spare Tire Size
- TBD - NA
Front Tire Order Code
- TBD - Q12
Spare Tire Order Code
- TBD - SGC
Rear Tire Size
- TBD - P255/45WR18
Trailering
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
Dead Weight Hitch - Max Tongue Wt. (lbs)
- TBD - 100
Weight Information
Base Curb Weight (lbs)
3825 3973
Wheels
Spare Wheel Size (in)
- TBD - NA
Rear Wheel Material
Alloy Aluminum
Rear Wheel Size (in)
18 x 8.0 18 x 8
Front Wheel Material
Alloy Aluminum
Spare Wheel Material
Alloy NA
Front Wheel Size (in)
18 x 8.0 18 x 8
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
Engine Type
Gas V6 Gas V6
Fuel System
FSI DI
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
Mileage
EPA Fuel Economy Est - City (MPG)
18 17
EPA Fuel Economy Est - Hwy (MPG)
27 26
Fuel Economy Est-Combined (MPG)
- 20
Transmission
Drivetrain
Front Wheel Drive Rear Wheel Drive
Reverse Ratio (:1)
2.51 3.06
Second Gear Ratio (:1)
1.48 2.36
Trans Order Code
NA MX0
Final Drive Axle Ratio (:1)
4.88 3.42
Fourth Gear Ratio (:1)
0.82 1.15
Trans Description Cont.
Automatic CVT Automatic
Sixth Gear Ratio (:1)
0.50 0.67
First Gear Ratio (:1)
2.51 4.03
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.10 1.53
Trans Type
7 6
Fifth Gear Ratio (:1)
0.64 0.85
Seventh Gear Ratio (:1)
0.38 -
Trans Description Cont. Again
NA NA
Summary
Body Style
4 Door Sedan 4 Door Sedan
Vehicle Name
Audi A6 Cadillac STS
Suspension
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - 1.3
Suspension Type - Rear
Trapezoidal-Link Independent
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 - 0.67
Suspension Type - Front (Cont.)
NA NA
Emissions
EPA Greenhouse Gas Score
- 5

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