2019 Audi A8 vs. 2018 Bentley Flying Spur

Detailed Review, Specifications & Comparison

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The A8’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Flying Spur doesn’t offer pre-crash pretensioners.

The A8 has standard power remote child safety locks to prevent children from opening the rear doors (the driver can activate them and deactivate them from the front seat). The Flying Spur doesn’t offer child safety locks.

The A8 has a standard front seat center airbag, which deploys between the driver and front passenger, protecting them from injuries caused by striking each other in serious side impacts. The Flying Spur doesn’t offer front seat center airbags.

The A8 has standard Audi Pre Sense City, which use forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The Flying Spur doesn't offer collision warning or crash mitigation brakes.

The A8 has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Flying Spur doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

A passive infrared night vision system optional on the A8 helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard and even aims one of the vehicle’s headlights in the direction of the person or object. The Flying Spur doesn’t offer a night vision system.

The A8’s optional lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The Flying Spur doesn’t offer a lane departure warning system.

The A8 offers an optional Top View Camera System to allow the driver to see objects all around the vehicle on a screen. The Flying Spur only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

The A8’s optional blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The Flying Spur doesn’t offer a system to reveal objects in the driver’s blind spots.

To help make backing safer, the A8’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Flying Spur doesn’t offer a cross-path warning system.

The A8 has standard Audi Connect Care, which uses a global positioning satellite (GPS) receiver and a cellular system to help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Flying Spur doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the A8 and the Flying Spur have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights and front and rear parking sensors.


The A8 comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Flying Spur’s 3-year basic warranty expires 1 year sooner.

The A8’s corrosion warranty is 9 years longer than the Flying Spur’s (12 vs. 3 years).

There are almost 7 times as many Audi dealers as there are Bentley dealers, which makes it much easier should you ever need service under the A8’s warranty.

Fuel Economy and Range

On the EPA test cycle the A8 gets better fuel mileage than the Flying Spur V8 (19 city/27 hwy vs. 13 city/22 hwy).

In heavy traffic or at stoplights the A8’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Flying Spur doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Audi A8 uses regular unleaded gasoline (premium recommended for maximum performance). The Flying Spur requires premium, which can cost 20 to 55 cents more per gallon.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Audi A8 higher (3 out of 10) than the Bentley Flying Spur (1 to 3). This means the A8 produces up to 22.5 pounds less smog-producing pollutants than the Flying Spur every 15,000 miles.

Suspension and Handling

The A8 offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Bentley doesn’t offer an active suspension on the Flying Spur.

For a smoother ride and more stable handling, the A8’s wheelbase is 2.4 inches longer than on the Flying Spur (123.1 inches vs. 120.7 inches).


The Audi A8 may be more efficient, handle and accelerate better because it weighs about 600 to 700 pounds less than the Bentley Flying Spur.

For excellent aerodynamics, the A8 has standard flush composite headlights. The Flying Spur has recessed headlights that spoil its aerodynamic shape and create extra drag.

Passenger Space

The A8 has .2 inches more front headroom, .5 inches more rear headroom and 2.1 inches more rear legroom than the Flying Spur.

Cargo Capacity

To make loading groceries and cargo easier when your hands are full, the A8’s trunk can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Flying Spur doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Servicing Ease

A Service Interval Display is standard on the A8 to save the owner time and money by calculating maintenance intervals based on odometer mileage. This takes the guesswork out of keeping your vehicle in top condition and helps it last longer. Bentley doesn’t offer a maintenance reminder on the Flying Spur.


The A8 offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Flying Spur doesn’t offer a heads-up display.

While driving with high beams on, sensitive light sensors standard on the A8 detect other vehicles which could be blinded and automatically switch to low beams. The Flying Spur doesn’t offer automatic dimming high beams.

To help drivers see further while navigating curves, the A8 offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Flying Spur doesn’t offer cornering lights.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the A8 has standard extendable sun visors. The Flying Spur doesn’t offer extendable visors.

The A8’s power mirror controls are mounted on the armrest for easy access. The Flying Spur’s power mirror controls are on the center console where they can’t be seen without the driver completely removing his eyes from the road.

Standard smartphone integration for the A8 allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, playing internet radio stations and other connected activities without taking their eyes off the road or their hands from the wheel. The Flying Spur doesn’t offer factory integrated smartphone program access.

The A8 offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The Flying Spur doesn’t offer a house-current electrical outlet.


The Audi A8/S8 outsold the Bentley Flying Spur by over 12 to one during 2017.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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