Compare 2018 Audi A8 vs 2018 Mercedes-Benz S Class

2018 Audi A8
2018 Mercedes-Benz S Class
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3.0 TFSI
Style MPG City MPG Hwy Invoice MSRP
A8 L 3.0 TFSI 19 29 $76,726 $82,500
A8 L 4.0 TFSI Sport 16 26 $85,560 $92,000
S8 plus 4.0 TFSI 14 24 $107,788 $115,900
Select style
AMG S 63 4MATIC Convertible
Style MPG City MPG Hwy Invoice MSRP
S-Class AMG S 63 4MATIC Convertible 15 24 $166,935 $179,500
S-Class AMG S 63 4MATIC Coupe 17 27 $155,961 $167,700
S-Class AMG S 63 4MATIC Sedan 17 26 $137,175 $147,500
S-Class AMG S 65 Convertible 14 21 $233,337 $250,900
S-Class AMG S 65 Coupe 13 21 $222,177 $238,900
S-Class AMG S 65 Sedan 13 22 $213,435 $229,500
S-Class Maybach S 560 4MATIC Sedan 16 25 $156,798 $168,600
S-Class Maybach S 650 Sedan 13 21 $184,791 $198,700
S-Class S 450 4MATIC Sedan 18 28 $86,397 $92,900
S-Class S 450 Sedan 19 28 $83,607 $89,900
S-Class S 560 4MATIC Coupe 17 27 $115,785 $124,500
S-Class S 560 4MATIC Sedan 17 27 $95,697 $102,900
S-Class S 560 Convertible 17 26 $123,969 $133,300
S-Class S 560 Sedan 17 27 $92,907 $99,900
Pricing
Invoice Price
$76,726
$166,935
Manufacturer Suggested Retail Price
$82,500
$179,500
Monthly Payment Estimate
$1375 / month
$2992 / month
The Car Connection's Take
TCC Rating
7.8
8.4
TCC’s Bottom Line
The 2018 Audi S8 is a speed machine that's the ultimate sleeper. Spot one and stare—it'll likely be gone just as quickly. The 2018 Mercedes-Benz continues to push the envelope for comfort. safety, and autonomous driving aids, while improving upon its effortless power and dignified road manners.
TCC Likes
TCC Dislikes
Fuel Economy
City
19 mpg 15 mpg
Highway
29 mpg 24 mpg
Vehicle
EPA Classification
Large Cars Compact Cars
Interior Dimensions
Front Shoulder Room (in)
59.1 57
Second Leg Room (in)
42.9 -
Passenger Capacity
5 4
Front Leg Room (in)
41.4 -
Second Head Room (in)
39.1 37.6
Second Shoulder Room (in)
57.8 49.5
Front Head Room (in)
37.2 37.7
Passenger Volume (ft³)
121.9 -
Second Hip Room (in)
- 53.1
Front Hip Room (in)
- 60.6
Exterior Dimensions
Length, Overall (in)
207.4 198.9
Height, Overall (in)
57.9 56
Track Width, Rear (in)
64.4 64.7
Wheelbase (in)
122.9 115.9
Width, Max w/o mirrors (in)
76.7 75.3
Track Width, Front (in)
64.7 64.7
Min Ground Clearance (in)
- 4.5
Cargo Area Dimensions
Trunk Volume (ft³)
14.2 7
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)
14 14.2
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
15 15.4
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.7 24.3
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
41.7 -
Tires
Spare Tire Size
Compact NA
Front Tire Order Code
NA R01
Spare Tire Order Code
NA NA
Rear Tire Size
P255/45HR19 P285/35YR20
Rear Tire Order Code
NA R01
Front Tire Size
P255/45HR19 P255/40YR20
Weight Information
Base Curb Weight (lbs)
4464 4817
Wheels
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
19 X 9 20 X 9.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
Aluminum NA
Front Wheel Size (in)
19 X 9 20 X 8.5
Spare Wheel Size (in)
Compact NA
Electrical
Maximum Alternator Capacity (amps)
190 150
Cold Cranking Amps @ 0° F (Primary)
- 520
Engine
Displacement
3.0 L/183 4.0 L/243
SAE Net Horsepower @ RPM
333 @ 5500 603 @ 5500
Engine Type
Intercooled Supercharger Premium Unleaded V-6 Twin Turbo Premium Unleaded V-8
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
325 @ 2900 664 @ 2750
Engine Order Code
NA NA
Mileage
Fuel Economy Est-Combined (MPG)
22 18
EPA Fuel Economy Est - Hwy (MPG)
29 24
EPA Fuel Economy Est - City (MPG)
19 15
Transmission
Final Drive Axle Ratio (:1)
3.20 2.47
Third Gear Ratio (:1)
2.11 2.31
Trans Type
8 9
Eighth Gear Ratio (:1)
0.67 0.72
Drivetrain
All Wheel Drive All Wheel Drive
Fifth Gear Ratio (:1)
1.28 1.21
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.32 4.93
Second Gear Ratio (:1)
3.14 3.33
Trans Order Code
NA 421
Seventh Gear Ratio (:1)
0.84 0.86
Fourth Gear Ratio (:1)
1.67 1.66
Trans Description Cont.
Automatic w/OD Automatic w/OD
Sixth Gear Ratio (:1)
1.00 1.00
First Gear Ratio (:1)
4.71 5.50
Summary
Vehicle Name
Audi A8 L Mercedes-Benz S-Class
Body Style
quattro LWB Sedan 4MATIC Cabriolet
Suspension
Suspension Type - Front (Cont.)
Multi-Link Multi-Link
Suspension Type - Rear
Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link
Suspension Type - Front
Multi-Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
8.1 9.8

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