Certified Benz & Beemer Compares 2014 Audi A6 VS 2014 Mercedes E-Class Near Scottsdale, AZ

Responsive image

2014 Audi A6

Responsive image

2014 Mercedes E-Class

Safety Comparison

An active infrared night vision system optional on the A6 Prestige helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera and near-infrared lights to detect heat, the system then projects the image on the windshield, near the driver’s line of sight. The E-Class Sedan doesn’t offer a night vision system.

Both the A6 and the E-Class Sedan have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, height-adjustable front shoulder belts, plastic fuel tanks, traction control and electronic stability systems to prevent skidding.

Warranty Comparison

The A6’s corrosion warranty is 8 years and unlimited miles longer than the E-Class Sedan’s (12/unlimited vs. 4/50,000).

Reliability Comparison

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without their vehicle while it’s being repaired. Consumer Reports predicts that the Audi A6 2.0T’s reliability will be 32% better than the E-Class Sedan with the best reliability rating.

Engine Comparison

The A6’s 3.0 turbo V6 diesel produces 45 more horsepower (240 vs. 195) and 59 lbs.-ft. more torque (428 vs. 369) than the E-Class Sedan’s 2.1 turbo diesel.

As tested in Car and Driver the A6 3.0T is faster than the E350 Sedan:


E-Class Sedan

Zero to 30 MPH

1.7 sec

2.2 sec

Zero to 60 MPH

5.1 sec

6 sec

Zero to 100 MPH

12.8 sec

15.3 sec

5 to 60 MPH Rolling Start

5.4 sec

6.4 sec

Passing 30 to 50 MPH

2.5 sec

3.5 sec

Passing 50 to 70 MPH

3.6 sec

5 sec

Quarter Mile

13.7 sec

14.6 sec

Speed in 1/4 Mile

103 MPH

98 MPH

Fuel Economy and Range Comparison

On the EPA test cycle the A6 gets better fuel mileage than the E-Class Sedan:


E-Class Sedan


Turbo 4 cyl./Auto

25 city/33 hwy

21 city/30 hwy



Supercharged V6/Auto

18 city/27 hwy

17 city/26 hwy


Brakes and Stopping Comparison

For better stopping power the A6’s standard brake rotors are larger than those on the E-Class Sedan:


E-Class Sedan

Front Rotors

13.6 inches

12.7 inches

Rear Rotors

13 inches

11.8 inches

The A6 stops shorter than the E-Class Sedan:


E-Class Sedan

70 to 0 MPH

169 feet

175 feet

Car and Driver

60 to 0 MPH

106 feet

114 feet

Motor Trend

60 to 0 MPH (Wet)

138 feet

143 feet

Consumer Reports

Tires and Wheels Comparison

For better traction, the A6’s optional tires are larger than the largest tires available on the E-Class Sedan (255/40R19 vs. 245/35R19).

For better ride, handling and brake cooling the A6 Prestige offers optional 20-inch wheels. The E-Class Sedan’s largest wheels are only 19-inches.

Suspension and Handling Comparison

For a smoother ride and more stable handling, the A6’s wheelbase is 1.5 inches longer than on the E-Class Sedan (114.7 inches vs. 113.2 inches).

For better handling and stability, the track (width between the wheels) on the A6 is 1.1 inches wider in the front than on the E-Class Sedan.

The A6 3.0T Quattro handles at .93 G’s, while the E350 Sedan pulls only .83 G’s of cornering force in a Car and Driver skidpad test.

The A6 3.0T Quattro executes Motor Trend’s “Figure Eight” maneuver 2 seconds quicker than the E250 BlueTEC Sedan 4MATIC (25.1 seconds @ .74 average G’s vs. 27.1 seconds @ .63 average G’s).

Chassis Comparison

The Audi A6 may be more efficient, handle and accelerate better because it weighs about 250 pounds less than the Mercedes E-Class Sedan.

As tested by Car and Driver, the interior of the A6 3.0T Quattro is quieter than the E350 Sedan:


E-Class Sedan


72 dB

76 dB

70 MPH Cruising

64 dB

68 dB

Ergonomics Comparison

The A6 Prestige offers an optional heads-up display which projects speed and navigation instruction readouts onto the windshield, allowing drivers to view information without diverting their eyes from the road. The E-Class Sedan doesn’t offer a heads-up display.

Heated windshield washer nozzles are standard on the A6 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The E-Class Sedan doesn’t offer heated windshield washer nozzles.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the A6 has standard extendable sun visors. The E-Class Sedan doesn’t offer extendable visors.

The A6 has standard heated front seats. Heated front seats cost extra on the E-Class Sedan. The A6 also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the E-Class Sedan.

Economic Advantages Comparison

Insurance will cost less for the A6 owner. The Complete Car Cost Guide estimates that insurance for the A6 will cost $885 less than the E-Class Sedan over a five-year period.

Intellichoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Audi A6 will be $4620 to $5275 less than for the Mercedes E-Class Sedan.

Recommendations Comparison

The Audi A6 has won recognition from these important consumer publications:


E-Class Sedan

Consumer Reports® Recommends

Top Pick


Kiplinger’s Awards



Car and Driver performed a comparison test in its December 2013 issue and they ranked the Audi A6 3.0T Quattro first. They ranked the Mercedes E350 Sedan third.

The A6 was chosen as one of Car and Driver’s “Top Ten” for 4 of the last 15 years. The E Class has never been a Car and Driver “Top Ten” pick.

© 1991-2016 Advanta-STAR Automotive Research. All rights reserved. Who We Are
Click here to view the disclaimers, limitations and notices about EPA fuel mileage, crash tests, coprights, trademarks, and other issues.