Compare 2021 Audi A6 vs 2021 Mercedes-Benz E Class

2021 Audi A6
2021 Mercedes-Benz E Class
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Premium 45 TFSI quattro
Style MPG City MPG Hwy Invoice MSRP
A6 Premium 45 TFSI quattro 23 31 $51,608 $54,900
A6 Premium 55 TFSI quattro 22 29 $56,212 $59,800
A6 Premium Plus 45 TFSI quattro 23 31 $51,608 $54,900
A6 Premium Plus 55 TFSI quattro 22 29 $56,212 $59,800
A6 Prestige 45 TFSI quattro 23 31 $51,608 $54,900
A6 Prestige 55 TFSI quattro 22 29 $56,212 $59,800
A6 Sport Premium 45 TFSI quattro N/A N/A N/A $54,900
A6 Sport Premium Plus 45 TFSI quattro N/A N/A N/A $54,900
RS 6 Avant 4.0 TFSI quattro 15 22 $102,460 $109,000
S6 2.9 TFSI Premium Plus 18 28 $69,936 $74,400
S6 2.9 TFSI Prestige 18 28 $69,936 $74,400
Select style
AMG E 53 4MATIC+ Convertible
Style MPG City MPG Hwy Invoice MSRP
E-Class AMG E 53 4MATIC+ Convertible 21 27 $77,879 $82,850
E-Class AMG E 53 4MATIC+ Coupe 21 28 $71,675 $76,250
E-Class AMG E 53 4MATIC+ Sedan 22 29 $69,466 $73,900
E-Class AMG E 63 S 4MATIC+ Sedan 15 23 $101,050 $107,500
E-Class AMG E 63 S 4MATIC+ Wagon 16 23 $105,703 $112,450
E-Class E 350 4MATIC Sedan 22 30 $53,345 $56,750
E-Class E 350 RWD Sedan 22 31 $50,995 $54,250
E-Class E 450 4MATIC All-Terrain Wagon 22 28 $63,544 $67,600
E-Class E 450 4MATIC Convertible 23 29 $69,983 $74,450
E-Class E 450 4MATIC Coupe 23 30 $63,403 $67,450
E-Class E 450 4MATIC Sedan 23 30 $58,280 $62,000
E-Class E 450 RWD Convertible 23 30 $67,633 $71,950
E-Class E 450 RWD Coupe 23 31 $61,053 $64,950

2021 Audi A6 Allroad vs 2021 Mercedes-Benz E450 All-Terrain: Compare Wagons

Wagon versions of the 2021 Audi A6 and 2021 Mercedes-Benz E-Class mid-size luxury sedans provide the cargo versatility of an SUV with fold-flat seats, but retain the sharper driving characteristics of lower-riding sedans. 

If adulthood is all about compromise, then the A6 Allroad and E450 All-Terrain are the happiest compromise to drive. We don’t separately rate each variant of every model, instead we rate the most popular variant purchased by consumers, which are the sedans. (Read more about how we rate cars.) Despite high relative ratings, the 2021 Mercedes-Benz E-Class outperforms the 2021 Audi A6 with a TCC Rating of 7.8 out of 10 compared to 7.2 for the A6. 

 
Pricing
Invoice Price
$51,608
$77,879
Manufacturer Suggested Retail Price
$54,900
$82,850
Monthly Payment Estimate
$915 / month
$1381 / month
The Car Connection's Take
TCC Rating
7.2
7.8
TCC’s Bottom Line
The 2021 Audi A6 mid-size luxury sedan or wagon is reserved but flexible in its powertrain offerings and body styles. Made as a sedan, wagon, coupe, and convertible with four different powertrains, the 2021 Mercedes E-Class has wide appeal.
TCC Likes
TCC Dislikes
Fuel Economy
City
23 mpg 21 mpg
Highway
31 mpg 27 mpg
Vehicle
EPA Classification
Mid-Size Cars Subcompact Cars
Interior Dimensions
Second Shoulder Room (in)
56.5 48.3
Front Head Room (in)
38 40.7
Front Shoulder Room (in)
57.8 56.1
Second Leg Room (in)
37.4 -
Front Leg Room (in)
41.3 -
Passenger Capacity
5 4
Second Head Room (in)
38.1 36.4
Second Hip Room (in)
- 51.5
Front Hip Room (in)
- 58.7
Exterior Dimensions
Track Width, Front (in)
64.2 64.1
Min Ground Clearance (in)
4.2 4.7
Length, Overall (in)
194.4 190.6
Height, Overall (in)
57.4 56.2
Track Width, Rear (in)
63.7 62.8
Wheelbase (in)
115.1 113.1
Width, Max w/o mirrors (in)
74.3 73.2
Cargo Area Dimensions
Trunk Volume (ft³)
13.7 9.5
Brakes
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.3 14.6
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)
13 14.2
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Fuel Tank
Fuel Tank Capacity, Approx (gal)
19.3 17.4
Steering
Turning Diameter - Curb to Curb (ft)
36.4 39.7
Steering Type
Rack-Pinion Rack-Pinion
Tires
Rear Tire Order Code
NA R02
Front Tire Size
P245/45HR19 P245/40ZR19
Spare Tire Size
Compact NA
Front Tire Order Code
NA R02
Spare Tire Order Code
NA NA
Rear Tire Size
P245/45HR19 P275/35ZR19
Weight Information
Base Curb Weight (lbs)
4101 4566
Wheels
Spare Wheel Material
Steel NA
Front Wheel Size (in)
19 X 8.5 19 X 8
Spare Wheel Size (in)
Compact NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
19 X 8.5 19 X 9
Front Wheel Material
Aluminum Aluminum
Engine
Displacement
2.0 L/121 3.0 L/183
SAE Net Horsepower @ RPM
248 @ 4300 429 @ 6100
Engine Type
Intercooled Turbo Gas/Electric I-4 Intercooled Turbo Gas/Electric I-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
273 @ 1600 384 @ 1800
Engine Order Code
NA NA
Mileage
Fuel Economy Est-Combined (MPG)
26 23
EPA Fuel Economy Est - Hwy (MPG)
31 27
EPA Fuel Economy Est - City (MPG)
23 21
Transmission
Trans Type
7 9
Fifth Gear Ratio (:1)
0.74 1.21
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
2.75 4.80
Second Gear Ratio (:1)
2.19 3.24
Trans Order Code
8Y 421
Seventh Gear Ratio (:1)
0.39 0.86
Fourth Gear Ratio (:1)
1.06 1.64
Trans Description Cont.
Auto-Shift Manual w/OD Automatic w/OD
Drivetrain
All Wheel All Wheel
Sixth Gear Ratio (:1)
0.51 1.00
First Gear Ratio (:1)
3.19 5.35
Final Drive Axle Ratio (:1)
4.41 3.07
Third Gear Ratio (:1)
1.52 2.25
Eighth Gear Ratio (:1)
- 0.72
Summary
Body Style
quattro Sedan 4MATIC+ Cabriolet
Vehicle Name
Audi A6 Mercedes-Benz E-Class
Suspension
Suspension Type - Front
Multi-Link Multi-Link
Suspension Type - Front (Cont.)
Multi-Link Multi-Link
Suspension Type - Rear
Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.8 7.6
Electrical
Cold Cranking Amps @ 0° F (Primary)
- 850
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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