Compare 2008 Mercedes-Benz S Class vs 2008 Audi A8

2008 Mercedes-Benz S Class
2008 Audi A8
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4-Door Sedan RWD 5.5L V8
Style MPG City MPG Hwy Invoice MSRP
4-Door Sedan RWD 5.5L V8 14 21 $80,631 $86,700
4-Door Sedan 4MATIC 5.5L V8 14 20 $83,421 $89,700
4-Door Sedan RWD 6.3L V8 AMG 11 17 $118,110 $127,000
4-Door Sedan RWD 5.5L V12 11 17 $134,106 $144,200
4-Door Sedan RWD 6.0L V12 AMG 11 17 $180,420 $194,000
Select style
4-Door Sedan
Style MPG City MPG Hwy Invoice MSRP
4-Door Sedan 16 23 $65,741 $70,690
Pricing
Invoice Price
$80,631
$65,741
Manufacturer Suggested Retail Price
$86,700
$70,690
Monthly Payment Estimate
$1445 / month
$1178 / month
The Car Connection's Take
TCC Rating
8.8
8.4
TCC’s Bottom Line
Hark! The 2008 Mercedes-Benz S-Class is loaded with top safety and comfort-oriented technologies and is one of the best luxury sedans in the world. Perky, nimble handling and frisky, refined performance is what separates the 2008 Audi A8 from the rest of the super-sedans.
TCC Likes
TCC Dislikes
Fuel Economy
City
14 mpg 16 mpg
Highway
21 mpg 23 mpg
Vehicle
EPA Classification
Large Large
Interior Dimensions
Front Hip Room (in)
- TBD - - TBD -
Second Leg Room (in)
42.3 37.6
Passenger Volume (ft³)
109.0 114.9
Front Head Room (in)
37.8 37.3
Second Hip Room (in)
- TBD - - TBD -
Front Shoulder Room (in)
59.1 59.1
Second Head Room (in)
38.5 38.0
Passenger Capacity
5 5
Second Shoulder Room (in)
58.7 57.5
Front Leg Room (in)
41.9 41.4
Exterior Dimensions
Track Width, Rear (in)
63.2 63.3
Wheelbase (in)
124.6 115.9
Liftover Height (in)
- TBD - - TBD -
Width, Max w/o mirrors (in)
73.7 74.6
Track Width, Front (in)
63.2 63.9
Min Ground Clearance (in)
- TBD - 4.72
Length, Overall (in)
205.0 199.3
Height, Overall (in)
58.0 56.9
Cargo Area Dimensions
Trunk Volume (ft³)
16.3 14.6
Brakes
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.2 x - TBD - 14.2 x 1.34
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)
11.8 x - TBD - 12.2 x 0.87
Brake Type
Power Pwr
Fuel Tank
Fuel Tank Capacity, Approx (gal)
23.8 23.8
Steering
Lock to Lock Turns (Steering)
- TBD - 2.8
Turning Diameter - Wall to Wall (ft)
- TBD - - TBD -
Steering Ratio (:1), Overall
- TBD - - TBD -
Turning Diameter - Curb to Curb (ft)
40.0 41.0
Steering Type
Vehicle-Speed-Sensitive Pwr Rack & Pinion
Tires
Spare Tire Order Code
NA NA
Rear Tire Size
P255/45R18 P245/40R18
Rear Tire Order Code
NA NA
Front Tire Size
P255/45R18 P245/40R18
Spare Tire Size
- TBD - P245/40R18
Front Tire Order Code
NA NA
Trailering
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA - TBD -
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs)
NA - TBD -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA - TBD -
Weight Information
Base Curb Weight (lbs)
4465 4321
Wheels
Rear Wheel Size (in)
18 x 8.5 18 x 8.5
Front Wheel Material
Aluminum Alloy
Spare Wheel Material
- TBD - Alloy
Front Wheel Size (in)
18 x 8.5 18 x 8.5
Spare Wheel Size (in)
- TBD - 18 x 8.5
Rear Wheel Material
Aluminum Alloy
Cooling System
Total Cooling System Capacity (qts)
- TBD - 12.2
Electrical
Cold Cranking Amps @ 0° F (Primary)
- TBD - - TBD -
Maximum Alternator Capacity (amps)
- TBD - 190
Engine
SAE Net Torque @ RPM
391 @ 2800 - 4800 325 @ 3500
Engine Order Code
NA NA
Displacement
5.5L/333 4.2L/254
SAE Net Horsepower @ RPM
382 @ 6000 350 @ 6800
Engine Type
Gas V8 Gas V8
Fuel System
SFI FSI
Mileage
EPA Fuel Economy Est - Hwy (MPG)
21 23
EPA Fuel Economy Est - City (MPG)
14 16
Transmission
Clutch Size (in)
NA NA
Third Gear Ratio (:1)
1.92 1.52
Trans Type
7 6
Fifth Gear Ratio (:1)
1.00 0.87
Seventh Gear Ratio (:1)
0.73 -
Trans Description Cont. Again
NA NA
Drivetrain
Rear Wheel Drive All-Wheel Drive
Reverse Ratio (:1)
3.42 (R2 2.23) 3.40
Second Gear Ratio (:1)
2.86 2.34
Trans Order Code
NA NA
Final Drive Axle Ratio (:1)
2.65 3.32
Fourth Gear Ratio (:1)
1.37 1.14
Trans Description Cont.
Automatic Automatic
Sixth Gear Ratio (:1)
0.82 0.69
First Gear Ratio (:1)
4.38 4.17
Summary
Vehicle Name
Mercedes-Benz S-Class Audi A8
Body Style
4 Door Sedan 4 Door Sedan
Suspension
Shock Absorber Diameter - Rear (mm)
- TBD - - TBD -
Suspension Type - Front
Independent Adaptive Air
Stabilizer Bar Diameter - Rear (in)
NA - TBD -
Suspension Type - Front (Cont.)
w/4-Link NA
Shock Absorber Diameter - Front (mm)
- TBD - - TBD -
Stabilizer Bar Diameter - Front (in)
- TBD - - TBD -
Suspension Type - Rear
Independent Adaptive Air
Suspension Type - Rear (Cont.)
w/5-Arm NA

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