2019 Audi S5 Sportback vs. 2019 Genesis G80

Detailed Review, Specifications & Comparison

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Safety

The S5 Sportback has standard Secondary Collision Brake Assist, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The G80 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.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the S5 Sportback. But it costs extra on the G80.

The S5 Sportback Prestige has a standard Top and Corner View Cameras to allow the driver to see objects all around the vehicle on a screen. The G80 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.

Compared to metal, the S5 Sportback’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Genesis G80 has a metal gas tank.

Both the S5 Sportback and the G80 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, height-adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems and rear cross-path warning.

Warranty

The S5 Sportback’s corrosion warranty is 5 years longer than the G80’s (12 vs. 7 years).

Reliability

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Audi vehicles are more reliable than Genesis vehicles. Consumer Reports ranks Audi 5 places higher in reliability than Genesis.

Engine

The S5 Sportback’s 3.0 turbo V6 produces 38 more horsepower (349 vs. 311) and 76 lbs.-ft. more torque (369 vs. 293) than the G80 3.8’s standard 3.8 DOHC V6.

As tested in Motor Trend the Audi S5 Sportback is faster than the G80 3.8 DOHC V6:

 

S5 Sportback

G80

Zero to 60 MPH

4.5 sec

6.3 sec

Quarter Mile

13.1 sec

14.6 sec

Speed in 1/4 Mile

106 MPH

97 MPH

Fuel Economy and Range

On the EPA test cycle the S5 Sportback gets better fuel mileage than the G80 3.3T Sport AWD turbo V6 (21 city/30 hwy vs. 17 city/24 hwy).

Regenerative brakes improve the S5 Sportback’s fuel efficiency by converting inertia back into energy instead of wasting it. The G80 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the S5 Sportback’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 G80 doesn’t offer an automatic engine start/stop system.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Audi S5 Sportback higher (5 out of 10) than the Genesis G80 (3 to 5). This means the S5 Sportback produces up to 16.5 pounds less smog-producing pollutants than the G80 every 15,000 miles.

Brakes and Stopping

For better stopping power the S5 Sportback’s standard brake rotors are larger than those on the G80:

 

S5 Sportback

G80

Front Rotors

13.8 inches

13.6 inches

Rear Rotors

13 inches

12.4 inches

The S5 Sportback’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the G80 3.8 are solid, not vented.

The S5 Sportback stops much shorter than the G80:

 

S5 Sportback

G80

 

70 to 0 MPH

158 feet

180 feet

Car and Driver

60 to 0 MPH

105 feet

116 feet

Motor Trend

Tires and Wheels

For better traction, the S5 Sportback’s optional tires are larger than the largest tires available on the G80 (265/30R20 vs. 245/40R19).

The S5 Sportback’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the G80 3.8’s standard 45 series tires. The S5 Sportback’s optional tires have a lower 30 series profile than the G80’s optional 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the S5 Sportback offers optional 20-inch wheels. The G80’s largest wheels are only 19-inches.

Suspension and Handling

The S5 Sportback Prestige handles at .95 G’s, while the G80 AWD pulls only .84 G’s of cornering force in a Car and Driver skidpad test.

The S5 Sportback Prestige executes Motor Trend’s “Figure Eight” maneuver 1.7 seconds quicker than the G80 5.0 (25 seconds @ .76 average G’s vs. 26.7 seconds @ .7 average G’s).

Chassis

The Audi S5 Sportback may be more efficient, handle and accelerate better because it weighs about 250 to 800 pounds less than the Genesis G80.

The S5 Sportback is 9.4 inches shorter than the G80, making the S5 Sportback easier to handle, maneuver and park in tight spaces.

Cargo Capacity

The S5 Sportback’s standard rear seats fold to accommodate long and bulky cargo. The G80 doesn’t offer folding rear seats, only a ski pass-through.

Ergonomics

If the windows are left open on the S5 Sportback the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the G80 can only operate the windows from inside the vehicle, with the ignition on.

Heated windshield washer nozzles are standard on the S5 Sportback to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The G80 doesn’t offer heated windshield washer nozzles.

Optional air conditioned seats in the S5 Sportback keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The G80 only offers an air-conditioned driver’s seat.

The S5 Sportback Prestige’s Park Steering Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The G80 doesn’t offer an automated parking system.

Model Availability

The Audi S5 comes in coupe, convertible and four door hatchback bodystyles; the Genesis G80 isn’t available as a coupe or convertible.

Economic Advantages

The S5 Sportback will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the S5 Sportback will retain 51.38% to 51.57% of its original price after five years, while the G80 only retains 40.26% to 44.12%.

Recommendations

The Audi A5/S5/RS 5 outsold the Genesis G80 by almost three to one during the 2018 model year.

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

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