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Compare 2021 Audi A8 vs 2021 BMW 7-Series vs 2020 Mercedes-Benz S Class

2021 Audi A8
X
2021 BMW 7-Series
X
2020 Mercedes-Benz S Class
#1 in Coupes
X
Get Your Price Get Your Price Get Your Price
Select style
55 TFSI quattro
Style MPG City MPG Hwy Invoice MSRP
A8 L 55 TFSI quattro 17 26 N/A $86,500
A8 L 60 TFSI e quattro N/A N/A N/A N/A
A8 L 60 TFSI quattro 15 23 N/A $98,900
S8 4.0 TFSI 13 22 N/A $130,900
Select style
740i Sedan
Style MPG City MPG Hwy Invoice MSRP
7 Series 740i Sedan 22 29 $81,225 $86,800
7 Series 740i xDrive Sedan 20 28 $84,015 $89,800
7 Series 745e xDrive Plug-In Hybrid N/A N/A $89,685 $95,900
7 Series 750i xDrive Sedan 17 24 $96,290 $103,000
7 Series ALPINA B7 xDrive Sedan 17 24 $133,675 $143,200
7 Series M760i xDrive Sedan 13 20 $147,255 $157,800
Select style
AMG S 63 4MATIC+ Convertible
Style MPG City MPG Hwy Invoice MSRP
S-Class AMG S 63 4MATIC+ Convertible 15 24 $172,490 $183,500
S-Class AMG S 63 4MATIC+ Coupe 17 27 $161,116 $171,400
S-Class AMG S 63 4MATIC+ Sedan 17 26 $142,504 $151,600
S-Class AMG S 65 Sedan 13 22 $221,464 $235,600
S-Class Maybach S 560 4MATIC Sedan 16 25 $162,620 $173,000
S-Class Maybach S 650 Sedan 13 21 $190,397 $202,550
S-Class S 450 4MATIC Sedan 18 28 $91,415 $97,250
S-Class S 450 Sedan 19 28 $88,595 $94,250
S-Class S 560 4MATIC Coupe 17 26 $122,341 $130,150
S-Class S 560 4MATIC Sedan 17 27 $101,003 $107,450
S-Class S 560 Convertible 17 26 $130,284 $138,600
S-Class S 560 Sedan 17 27 $98,183 $104,450
S-Class S 560e Sedan N/A N/A $103,165 $109,750
Pricing
Invoice Price
N/A
$81,225
$172,490
Manufacturer Suggested Retail Price
$86,500
$86,800
$183,500
Monthly Payment Estimate
$1442 / month
$1447 / month
$3058 / month
The Car Connection's Take
TCC Rating
7.2
7.8
TCC’s Bottom Line
A worthy flagship, the 2021 Audi A8 is thoroughly modern and eminently comfortable. The 2020 Mercedes-Benz S-Class is the benchmark for large luxury sedans.
TCC Likes
TCC Dislikes
Fuel Economy
City
17 mpg 22 mpg 15 mpg
Highway
26 mpg 29 mpg 24 mpg
Vehicle
EPA Classification
Large Cars Large Cars Compact Cars
Interior Dimensions
Second Shoulder Room (in)
57.6 57.7 49.5
Front Head Room (in)
38.3 39.9 37.7
Front Shoulder Room (in)
59.1 59.2 57
Second Leg Room (in)
44.3 44.4 -
Front Leg Room (in)
41.5 41.4 -
Passenger Capacity
5 5 4
Second Head Room (in)
38.5 38.9 37.6
Second Hip Room (in)
- - 53.1
Front Hip Room (in)
- - 60.6
Exterior Dimensions
Track Width, Front (in)
64.7 63.4 64.7
Length, Overall (in)
208.7 207.4 198.9
Height, Overall (in)
58.5 58.2 56
Track Width, Rear (in)
64.3 64.6 64.7
Wheelbase (in)
123.1 126.4 115.9
Width, Max w/o mirrors (in)
76.6 74.9 75.3
Min Ground Clearance (in)
- - 4.5
Cargo Area Dimensions
Trunk Volume (ft³)
12.5 18.2 7
Brakes
Disc - Front (Yes or )
Yes Yes Yes
Front Brake Rotor Diam x Thickness (in)
14.8 14.7 15.4
Drum - Rear (Yes or )
NA NA NA
Brake ABS System
4-Wheel 4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13.8 14.5 14.2
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA NA
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.7 20.6 24.3
Steering
Turning Diameter - Curb to Curb (ft)
42.2 42 -
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Tires
Rear Tire Order Code
NA NA STDTR
Front Tire Size
P255/45HR19 P245/50VR18 P255/40YR20
Spare Tire Size
Compact NA NA
Front Tire Order Code
NA NA STDTR
Spare Tire Order Code
NA NA NA
Rear Tire Size
P255/45HR19 P245/50VR18 P285/35YR20
Weight Information
Base Curb Weight (lbs)
4773 4244 4817
Wheels
Spare Wheel Material
Aluminum NA NA
Front Wheel Size (in)
19 X 9 18 X 8 20 X 8.5
Spare Wheel Size (in)
Compact NA NA
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
19 X 9 18 X 8 20 X 9.5
Front Wheel Material
Aluminum Aluminum Aluminum
Engine
Displacement
3.0 L/183 3.0 L/183 4.0 L/243
SAE Net Horsepower @ RPM
335 @ 5000 335 @ 5500 603 @ 5500
Engine Type
Intercooled Turbo Gas/Electric V-6 Intercooled Turbo Premium Unleaded I-6 Twin Turbo Premium Unleaded V-8
Fuel System
Gasoline Direct Injection Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
369 @ 1370 330 @ 1500 664 @ 2750
Engine Order Code
NA NA NA
Mileage
Fuel Economy Est-Combined (MPG)
21 (2020) 24 (Est) 18
EPA Fuel Economy Est - Hwy (MPG)
26 (2020) 29 (Est) 24
EPA Fuel Economy Est - City (MPG)
17 (2020) 22 (Est) 15
Transmission
Trans Type
8 8 9
Fifth Gear Ratio (:1)
1.28 1.32 1.21
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
3.32 3.71 4.93
Second Gear Ratio (:1)
3.14 3.36 3.33
Trans Order Code
DA 2TB 421
Eighth Gear Ratio (:1)
0.67 0.64 0.72
Fourth Gear Ratio (:1)
1.67 1.72 1.66
Trans Description Cont.
Automatic w/OD Automatic w/OD Automatic w/OD
Drivetrain
All Wheel Rear Wheel Drive All Wheel
Sixth Gear Ratio (:1)
1.00 1.00 1.00
First Gear Ratio (:1)
4.71 5.25 5.50
Seventh Gear Ratio (:1)
0.84 0.82 0.86
Final Drive Axle Ratio (:1)
3.08 3.08 2.47
Third Gear Ratio (:1)
2.11 2.17 2.31
Summary
Body Style
quattro LWB Sedan Sedan 4MATIC+ Cabriolet
Vehicle Name
Audi A8 L BMW 7 Series Mercedes-Benz S-Class
Suspension
Suspension Type - Front
Multi-Link Double Wishbone Multi-Link
Suspension Type - Front (Cont.)
Multi-Link Double Wishbone Multi-Link
Suspension Type - Rear
Multi-Link Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
8.5 (2020) 7.5 (Est) 10.0
Electrical
Maximum Alternator Capacity (amps)
- 180 150
Cold Cranking Amps @ 0° F (Primary)
- - 520
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2021 Audi A8
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2021 BMW 7-Series
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2020 Mercedes-Benz S Class
  • 2020 S-Class is in stock
  • Get up to $5,000 off (Sedan)
  • Lease: From $959/month
  • Financing: 2.99% APR + Cash
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