Compare 2021 Audi A7 vs 2021 BMW 8-Series vs 2021 Mercedes-Benz CLS Class

2021 Audi A7
X
2021 BMW 8-Series
X
2021 Mercedes-Benz CLS Class
X
Select style
Premium 55 TFSI quattro
Style MPG City MPG Hwy Invoice MSRP
A7 Premium 55 TFSI quattro 22 29 $65,048 $69,200
A7 Premium Plus 55 TFSI e quattro N/A N/A $70,408 $74,900
A7 Premium Plus 55 TFSI quattro 22 29 $65,048 $69,200
A7 Prestige 55 TFSI e quattro N/A N/A $70,408 $74,900
A7 Prestige 55 TFSI quattro 22 29 $65,048 $69,200
RS 7 4.0 TFSI quattro 15 22 $107,160 $114,000
S7 2.9 TFSI Premium Plus 18 28 $79,336 $84,400
S7 2.9 TFSI Prestige 18 28 $79,336 $84,400
Select style
840i Convertible
Style MPG City MPG Hwy Invoice MSRP
8 Series 840i Convertible 22 29 $91,080 $97,400
8 Series 840i Coupe 23 30 $82,340 $88,000
8 Series 840i Gran Coupe 22 29 $79,550 $85,000
8 Series 840i xDrive Convertible 20 27 $93,780 $100,300
8 Series 840i xDrive Coupe 20 27 $85,035 $90,900
8 Series 840i xDrive Gran Coupe 20 27 $82,245 $87,900
8 Series M850i xDrive Convertible 17 24 $113,400 $121,400
8 Series M850i xDrive Coupe 17 25 $104,565 $111,900
8 Series M850i xDrive Gran Coupe 17 24 $101,775 $108,900
M8 Gran Coupe 15 21 $121,400 $130,000
AMG CLS 53 4MATIC+ Coupe
Pricing
Invoice Price
$65,048
$91,080
$76,657
Manufacturer Suggested Retail Price
$69,200
$97,400
$81,550
Monthly Payment Estimate
$1153 / month
$1623 / month
$1359 / month
The Car Connection's Take
TCC Rating
7.2
7.0
7.2
TCC’s Bottom Line
The 2021 Audi A7 heaps luxury into a svelte shape like a great tuxedo. The 2021 BMW 8-Series is a gorgeous statement piece that strikes an enviable balance between performance and usability. The 2021 Mercedes-Benz CLS-Class delivers power and performance to go with its elegance.
TCC Likes
TCC Dislikes
Fuel Economy
City
22 mpg 22 mpg 21 mpg
Highway
29 mpg 29 mpg 26 mpg
Vehicle
EPA Classification
Midsize Cars Subcompact Cars Compact Cars
Interior Dimensions
Second Leg Room (in)
37 29.5 35
Front Leg Room (in)
41.3 42.1 41.9
Passenger Capacity
5 4 5
Second Head Room (in)
37.1 34.7 35.9
Second Shoulder Room (in)
55.9 45.7 56.5
Front Head Room (in)
37 38.9 36.9
Front Shoulder Room (in)
57.2 57.2 57.8
Front Hip Room (in)
- - 58.9
Second Hip Room (in)
- - 58.6
Exterior Dimensions
Height, Overall (in)
56 52.7 56
Track Width, Rear (in)
64.4 64.6 64.4
Wheelbase (in)
115.2 111.1 115.7
Width, Max w/o mirrors (in)
75.1 74.9 74.6
Track Width, Front (in)
65.1 64.1 64.8
Length, Overall (in)
195.6 191.1 199.1
Min Ground Clearance (in)
- 4.6 3.7
Cargo Area Dimensions
Cargo Volume with Rear Seat Up (ft³)
24.9 - -
Trunk Volume (ft³)
- 12.4 11.9
Brakes
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 - 14.2
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA - NA
Disc - Front (Yes or )
Yes Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.3 - 14.6
Fuel Tank
Fuel Tank Capacity, Approx (gal)
19.3 18 17.4
Steering
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
36.4 38.2 39.1
Tires
Spare Tire Size
Compact NA NA
Front Tire Order Code
NA 258 R66
Spare Tire Order Code
NA NA NA
Rear Tire Size
P255/40HR20 P275/40VR18 P275/35ZR19
Rear Tire Order Code
NA 258 R66
Front Tire Size
P255/40HR20 P245/45VR18 P245/40ZR19
Weight Information
Base Curb Weight (lbs)
4332 4211 4456
Wheels
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
20 X 8.5 18 X 9 19 X 9
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
Steel NA NA
Front Wheel Size (in)
20 X 8.5 18 X 8 19 X 8
Spare Wheel Size (in)
Compact NA NA
Engine
Engine Type
Intercooled Turbo Gas/Electric V-6 Intercooled Turbo Premium Unleaded I-6 Intercooled Turbo Gas/Electric I-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
369 @ 1370 368 @ 1600 384 @ 1800
Engine Order Code
NA NA NA
Displacement
3.0 L/183 3.0 L/183 3.0 L/183
SAE Net Horsepower @ RPM
335 @ 5000 335 @ 5000 429 @ 6100
Mileage
EPA Fuel Economy Est - City (MPG)
22 22 21
Fuel Economy Est-Combined (MPG)
24 25 23
EPA Fuel Economy Est - Hwy (MPG)
29 29 26
Transmission
Second Gear Ratio (:1)
2.19 3.36 3.24
Trans Order Code
2Y 2TB 421
Fourth Gear Ratio (:1)
1.06 1.72 1.64
Trans Description Cont.
Auto-Shift Manual w/OD Automatic w/OD Automatic w/OD
Drivetrain
All Wheel Drive Rear Wheel Drive All Wheel Drive
Sixth Gear Ratio (:1)
0.51 1.00 1.00
First Gear Ratio (:1)
3.19 5.25 5.35
Seventh Gear Ratio (:1)
0.39 0.82 0.86
Final Drive Axle Ratio (:1)
4.41 2.93 2.82
Third Gear Ratio (:1)
1.16 2.17 2.25
Trans Type
7 8 9
Fifth Gear Ratio (:1)
0.74 1.32 1.21
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
2.75 3.71 4.80
Eighth Gear Ratio (:1)
- 0.64 0.72
Summary
Vehicle Name
Audi A7 BMW 8 Series Mercedes-Benz CLS
Body Style
quattro Sportback Convertible 4MATIC+
Suspension
Suspension Type - Rear
Multi-Link Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Multi-Link
Suspension Type - Front
Multi-Link Double Wishbone Multi-Link
Suspension Type - Front (Cont.)
Multi-Link Double Wishbone Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
7.3 7.1 7.6
Crash Test Ratings
Overall Rating
-- - -
Overall Frontal Barrier Crash Rating
-- - -
Frontal Barrier Crash Rating Driver
-- - -
Frontal Barrier Crash Rating Passenger
-- - -
Overall Side Crash Rating
- -
Side Barrier Rating
- -
Side Barrier Rating Driver
- -
Side Barrier Rating Passenger Rear Seat
- -
Side Pole Rating Driver Front Seat
- -
Combined Side Rating Front Seat
- -
Combined Side Rating Rear Seat
- -
Rollover Rating
-- - -

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