Certified Benz & Beemer Compares 2016 Audi A6 VS 2016 Lexus GS Near Phoenix, AZ

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2016 Audi A6

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2016 Lexus GS

Safety Comparison

The A6’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The GS Series doesn’t offer pre-crash pretensioners.

Both the A6 and GS Series have child safety locks to prevent children from opening the rear doors. The A6 has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The GS Series’ child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

The Insurance Institute for Highway Safety tests front crash prevention systems. With a score of 3 points, IIHS rates the Pre Sense Plus optional in the A6 as “Advanced.” The GS Series scores only 1 point and is rated only “Basic.”

The A6 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 GS Series 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.

The A6 Premium Plus/Prestige offers an optional Top and Corner View Cameras to allow the driver to see objects all around the vehicle on a screen. The GS Series 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.

Both the A6 and the GS Series have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee 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, available night vision systems, lane departure warning systems and blind spot warning systems.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the A6 its highest rating: “Top Pick Plus” for 2016, a rating granted to only 61 vehicles tested by the IIHS. The GS Series has not been fully tested, yet.

Warranty Comparison

The A6’s corrosion warranty is 6 years longer than the GS Series’ (12 vs. 6 years).

There are over 33 percent more Audi dealers than there are Lexus dealers, which makes it easier should you ever need service under the A6’s warranty.

Reliability Comparison

The camshafts in the A6’s engine are driven by a hardened steel chain, with no maintenance needs. The GS 200t’s camshafts are driven by a rubber belt that needs periodic replacement. If the GS Series’ cam drive belt breaks the engine could be severely damaged when the pistons hit the opened valves.

The battery on the A6 is in the trunk, which protects it from hot underhood temperatures which can degrade battery life. By keeping the A6’s battery 20 to 30 degrees cooler, its life is increased by years. The GS Series’ battery is in the hot engine compartment.

Engine Comparison

The A6 has more powerful engines than the GS Series:



A6 2.0T 2.0 turbo 4 cyl.

252 HP

273 lbs.-ft.

A6 3.0T 3.0 supercharged V6

333 HP

325 lbs.-ft.

GS 200t 2.0 turbo 4 cyl.

241 HP

258 lbs.-ft.

GS 350 3.5 DOHC V6

311 HP

280 lbs.-ft.

GS 450h 3.5 DOHC V6 hybrid

338 HP

The A6’s 3.0 turbo V6 diesel produces 170 lbs.-ft. more torque (428 vs. 258) than the GS 200t’s standard 2.0 turbo 4 cyl. The A6’s 3.0 turbo V6 diesel produces 148 lbs.-ft. more torque (428 vs. 280) than the GS 350’s standard 3.5 DOHC V6.

As tested in Motor Trend the A6 3.0T is faster than the Lexus GS Series:


GS 350

GS 450h

Zero to 60 MPH

4.4 sec

5.5 sec

6 sec

Quarter Mile

13 sec

14 sec

14.4 sec

Speed in 1/4 Mile

107 MPH

100.9 MPH

101.8 MPH

Fuel Economy and Range Comparison

On the EPA test cycle the A6 gets better fuel mileage than the GS Series:


GS Series



24 city/35 hwy

22 city/33 hwy



20 city/30 hwy

200t F Sport/Auto


19 city/29 hwy



19 city/28 hwy

350 F Sport/Auto



22 city/32 hwy



20 city/30 hwy

19 city/27 hwy


Regardless of its engine, the A6’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) Lexus only offers an automatic engine start/stop system on the GS Series Hybrid.

The A6 TDI’s standard fuel tank has 1.8 gallons more fuel capacity than the GS Series (19.2 vs. 17.4 gallons), for longer range between fill-ups. The A6’s standard fuel tank has 2.4 gallons more fuel capacity than the GS Series (19.8 vs. 17.4 gallons).

Brakes and Stopping Comparison

For better stopping power the A6’s brake rotors are larger than those on the GS Series:


GS Series

Front Rotors

13.6 inches

13.1 inches

Rear Rotors

13 inches

12.2 inches

The A6 stops much shorter than the GS Series:


GS Series

70 to 0 MPH

169 feet

174 feet

Car and Driver

60 to 0 MPH

106 feet

119 feet

Motor Trend

60 to 0 MPH (Wet)

138 feet

147 feet

Consumer Reports

Tires and Wheels Comparison

For better traction, the A6 has larger standard tires than the GS Series (245/45R18 vs. 235/45R18). The A6’s optional tires are larger than the largest tires available on the GS Series (255/40R19 vs. 235/40R19).

The A6’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the GS 200t’s standard 50 series tires. The A6’s optional tires have a lower 35 series profile than the GS Series’ optional 40 series front tires.

For better ride, handling and brake cooling the A6 has standard 18-inch wheels. Smaller 17-inch wheels are standard on the GS 200t. The A6’s optional 20-inch wheels are larger than the 19-inch wheels on the GS Series AWD.

Suspension and Handling Comparison

For a smoother ride and more stable handling, the A6’s wheelbase is 2.4 inches longer than on the GS Series (114.6 inches vs. 112.2 inches).

For better handling and stability, the track (width between the wheels) on the A6 is 2.1 inches wider in the front and 1.1 inches wider in the rear than on the GS Series.

The A6 3.0T Quattro handles at .95 G’s, while the GS 450h pulls only .89 G’s of cornering force in a Motor Trend skidpad test.

The A6 3.0T Quattro executes Motor Trend’s “Figure Eight” maneuver 1.8 seconds quicker than the GS 450h (25.1 seconds @ .74 average G’s vs. 26.9 seconds @ .68 average G’s).

Chassis Comparison

As tested by Car and Driver, the interior of the A6 3.0T Quattro is quieter than the GS 350:


GS Series


72 dB

79 dB

70 MPH Cruising

64 dB

64 dB

Passenger Space Comparison

The A6 has .2 inches more front shoulder room, .6 inches more rear legroom and .6 inches more rear shoulder room than the GS Series.

Cargo Capacity Comparison

To allow full utilization of available cargo room, the A6’s trunk lid uses concealed beam hinges that don’t intrude into the trunk. The GS Series’ useful trunk space is reduced by its intrusive beam hinge.

The A6’s standard rear seats fold to accommodate long and bulky cargo. The GS Series doesn’t offer folding rear seats, only a ski pass-through.

To make loading and unloading groceries and cargo easier, especially for short adults or children, the A6 Prestige has a standard power trunk, which opens and closes automatically by pressing a button. The GS Series doesn’t offer a power trunk.

Ergonomics Comparison

If the windows are left down on the A6 the driver can raise them all using the key in the outside lock cylinder; on a hot day the driver can lower the windows. The driver of the GS Series can only operate the windows from inside the vehicle, with the ignition on.

The A6’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The GS Series’ standard manually variable intermittent wipers have to be constantly adjusted.

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 GS Series doesn’t offer heated windshield washer nozzles.

Economic Advantages Comparison

According to The Car Book by Jack Gillis, the A6 is less expensive to operate than the GS Series because typical repairs cost much less on the A6 than the GS Series, including $98 less for an alternator, $13 less for fuel injection and $1156 less for a power steering pump.

Intellichoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Audi A6 will be $1727 to $4424 less than for the Lexus GS Series.

Recommendations Comparison

Consumer Reports® recommends both the Audi A6 and the Lexus GS Series, based on reliability, safety and performance.

Car and Driver performed a comparison test in its March 2012 issue and the Audi A6 3.0T Quattro won out over the Lexus GS 350.

The A6 was chosen as one of Car and Driver’s “Top Ten” for 5 of the last 17 years. The GS Series has never been a Car and Driver “Top Ten” pick.

The Audi A6/S6 outsold the Lexus GS Series by over two to one during 2015.

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