2019 Bentley Mulsanne vs. 2019 Audi A8

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

Both the Mulsanne and the A8 have standard driver and passenger frontal airbags, front and rear side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.

The Bentley Mulsanne weighs 1226 to 1313 pounds more than the Audi A8. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.

Warranty

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

The Mulsanne comes with a full 3-year/unlimited-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The A8’s 50,000-mile basic warranty expires sooner.

Reliability

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The A8’s redline is at 6700 RPM, which causes more engine wear, and a greater chance of a catastrophic engine failure. The Mulsanne has a 4500 RPM redline.

Engine

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The Mulsanne’s standard 6.8 turbo V8 produces 170 more horsepower (505 vs. 335) and 383 lbs.-ft. more torque (752 vs. 369) than the A8’s 3.0 turbo V6 hybrid. The Mulsanne Speed’s standard 6.8 turbo V8 produces 195 more horsepower (530 vs. 335) and 442 lbs.-ft. more torque (811 vs. 369) than the A8’s 3.0 turbo V6 hybrid.

As tested in Car and Driver the Bentley Mulsanne (base engine) is faster than the Audi A8:

 

Mulsanne

A8

Zero to 60 MPH

4.9 sec

5.3 sec

Zero to 100 MPH

12 sec

13.6 sec

5 to 60 MPH Rolling Start

5.9 sec

6.4 sec

Quarter Mile

13.4 sec

13.9 sec

Speed in 1/4 Mile

105 MPH

101 MPH

Top Speed

187 MPH

128 MPH

Fuel Economy and Range

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

An engine control system that can shut down half of the engine’s cylinders helps improve the Mulsanne’s fuel efficiency. The A8 doesn’t offer a system that can shut down part of the engine.

The Mulsanne has 3.7 gallons more fuel capacity than the A8 (25.4 vs. 21.7 gallons), for longer range between fill-ups.

Brakes and Stopping

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For better stopping power the Mulsanne’s brake rotors are larger than those on the A8:

 

Mulsanne

A8

Front Rotors

15.7 inches

14.8 inches

Rear Rotors

14.6 inches

13.8 inches

Tires and Wheels

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

For better traction, the Mulsanne has larger tires than the A8 (265/45R20 vs. 255/45R19).

For better ride, handling and brake cooling the Mulsanne has standard 20-inch wheels. Smaller 19-inch wheels are standard on the A8. The Mulsanne’s optional 21-inch wheels are larger than the 20-inch wheels optional on the A8.

Suspension and Handling

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For a smoother ride and more stable handling, the Mulsanne’s wheelbase is 5.5 inches longer than on the A8 (128.6 inches vs. 123.1 inches). The Mulsanne Extended Wheelbase’s wheelbase is 15.3 inches longer than on the A8 (138.4 inches vs. 123.1 inches).

Chassis

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The Mulsanne uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The A8 doesn’t offer active noise cancellation.

Passenger Space

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

The Mulsanne has 1.8 inches more front headroom and .4 inches more front legroom than the A8.

Cargo Capacity

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

The Mulsanne has a much larger trunk than the A8 (15.75 vs. 12.5 cubic feet).

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