2020 Audi A4 vs. 2020 Genesis G80

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 2020/07/10

For enhanced safety, the front and rear seat shoulder belts of the Audi A4 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Genesis G80 doesn’t offer pretensioners for the rear seat belts.

Both the A4 and G80 have child safety locks to prevent children from opening the rear doors. The A4 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 G80’s 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 A4 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 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.

Compared to metal, the A4’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 A4 and the G80 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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, around view monitors and rear cross-path warning.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Audi A4 is safer than the Genesis G80:

A4

G80

Front Seat

STARS

5 Stars

4 Stars

Chest Movement

1.1 inches

1.3 inches

Into Pole

STARS

5 Stars

5 Stars

Hip Force

666 lbs.

857 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

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 2020/07/10

The A4’s corrosion warranty is 5 years longer than the G80’s (12 vs. 7 years).

Reliability

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The Audi A4’s engines use a cast iron block for durability, while the G80’s engines use an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

Engine

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As tested in Motor Trend the A4 45 TFSI is faster than the G80 5.0 DOHC V8:

A4

G80

Zero to 60 MPH

5 sec

5.4 sec

Quarter Mile

13.7 sec

13.8 sec

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 2020/07/10

On the EPA test cycle the A4 gets better fuel mileage than the G80:

A4

G80

2WD

2.0 turbo 4 cyl./Auto

27 city/35 hwy

18 city/26 hwy

3.8 V6/Auto

AWD

2.0 turbo 4 cyl./Auto

24 city/32 hwy

18 city/24 hwy

3.8 V6/Auto

In heavy traffic or at stoplights the A4’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.

Transmission

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The A4 offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The G80 doesn’t offer an SMG or a conventional manual transmission.

The A4’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The G80 doesn’t offer launch control.

Brakes and Stopping

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The A4’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 A4 stops much shorter than the G80:

A4

G80

70 to 0 MPH

155 feet

180 feet

Car and Driver

60 to 0 MPH

105 feet

116 feet

Motor Trend

Tires and Wheels

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The A4’s optional tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the G80’s optional 40 series front tires.

Suspension and Handling

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The A4 Prestige Quattro handles at .90 G’s, while the G80 AWD pulls only .84 G’s of cornering force in a Car and Driver skidpad test.

The A4 Premium Plus Quattro executes Motor Trend’s “Figure Eight” maneuver 1.4 seconds quicker than the G80 5.0 (25.3 seconds @ .74 average G’s vs. 26.7 seconds @ .7 average G’s).

Chassis

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The Audi A4 may be more efficient, handle and accelerate better because it weighs about 750 to 1100 pounds less than the Genesis G80.

The A4 is 10.4 inches shorter than the G80, making the A4 easier to handle, maneuver and park in tight spaces.

As tested by Car and Driver, the interior of the A4 Prestige Quattro is quieter than the G80 5.0:

A4

G80

70 MPH Cruising

63 dB

70 dB

Cargo Capacity

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The A4’s standard rear seats fold to accommodate long and bulky cargo. The G80 doesn’t offer folding rear seats, only a ski pass-through.

Towing

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The A4 has a 3968 lbs. towing capacity. The G80 has no towing capacity.

Ergonomics

© 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 2020/07/10

If the windows are left open on the A4 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 A4 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 A4 Premium Plus/Prestige 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 A4 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.

Economic Advantages

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Insurance will cost less for the A4 owner. The Complete Car Cost Guide estimates that insurance for the A4 will cost $790 less than the G80 over a five-year period.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Audi A4 will be $2332 to $10727 less than for the Genesis G80.

Recommendations

© 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 2020/07/10

Consumer Reports® recommends both the Audi A4 and the Genesis G80, based on reliability, safety and performance.

The Audi A4/S4 outsold the Genesis G80 by almost four to one during 2019.

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