Compare the2025 Genesis G80VS 2024 Audi A6

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Ergonomics
Economic Advantages
Recommendations

Safety

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In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the G80 are reminded to check the back seat if they opened the rear door before starting out. The A6 doesn’t offer a back seat reminder.

The G80 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 A6 doesn’t offer front seat center airbags.

The G80 has standard Anti-Whiplash Front Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Anti-Whiplash Front Head Restraints system moves the headrests forward to prevent neck and spine injuries. The A6 doesn’t offer a whiplash protection system.

The G80 has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. A system to reveal vehicles in the A6’s blind spot costs extra.

To help make backing out of a parking space safer, the G80 has standard Rear Cross-Traffic Collision-Avoidance Assist and automatically engage the brakes. Audi charges extra for Rear Cross-Traffic Assist on the A6.

The G80’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The A6 doesn’t offer a driver alert monitor.

Both the G80 and the A6 have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras and available around view monitors.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Genesis G80 is safer than the Audi A6:

	G80	A6
OVERALL STARS	5 Stars	4 Stars
	Passenger
STARS	5 Stars	4 Stars
HIC	137	354
Neck Injury Risk	34%	41%
Neck Compression	43 lbs.	98 lbs.
Leg Forces (l/r)	28/23 lbs.	263/331 lbs.

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

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 Genesis G80 is safer than the Audi A6:

	G80	A6
	Front Seat
STARS	5 Stars	5 Stars
HIC	101	135
Chest Movement	.7 inches	.9 inches
Abdominal Force	174 lbs.	174 lbs.
	Rear Seat
STARS	5 Stars	5 Stars
HIC	94	135
Spine Acceleration	24 G’s	43 G’s
Hip Force	242 lbs.	716 lbs.
	Into Pole
STARS	5 Stars	5 Stars
HIC	198	395
Spine Acceleration	34 G’s	39 G’s

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

The Genesis G80 has achieved the Insurance Institute for Highway Safety’s (IIHS) highest rating of “Top Safety Pick Plus” for the 2024 model year. This distinction is based on its exceptional performance in IIHS’ rigorous battery of safety tests. Specifically, it earned an “Acceptable” rating in the latest, more stringent moderate overlap front crash test, a “Good” result in the updated side impact test, and an “Acceptable” score in the revised pedestrian crash prevention test. The A6 has not yet been fully evaluated by the IIHS for 2024.

Warranty

The G80 comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes free 24-hour roadside assistance. The A6’s 4-year/50,000-mile basic warranty expires 1 year or 10,000 miles sooner.

Genesis’ powertrain warranty covers the G80 6 years and 50,000 miles longer than Audi covers the A6. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the A6 ends after only 4 years or 50,000 miles.

Genesis pays for scheduled maintenance on the G80 for 3 years and 36,000 miles. Genesis will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Audi only pays for the first scheduled maintenance visit on the A6.

Reliability

J.D. Power and Associates rated the G80 first among upper midsize premium cars in their 2024 Initial Quality Study. The A6 isn’t in the top three in its category.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Genesis vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Genesis above average in initial quality. With 58 more problems per 100 vehicles, Audi is rated below average.

J.D. Power and Associates’ 2024 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Genesis vehicles are more reliable than Audi With 75 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Genesis higher than Audi.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Genesis vehicles are more reliable than Audi vehicles. Consumer Reports ranks Genesis 1 place higher in reliability than Audi.

Engine

The G80 2.5T’s standard 2.5 turbo 4-cylinder produces 39 more horsepower (300 vs. 261) and 38 lbs.-ft. more torque (311 vs. 273) than the A6 45 TFSI’s standard 2.0 turbo 4-cylinder hybrid. The G80 3.5T’s standard 3.5 turbo V6 produces 40 more horsepower (375 vs. 335) and 22 lbs.-ft. more torque (391 vs. 369) than the A6 55 TFSI’s standard 3.0 turbo V6 hybrid.

Fuel Economy and Range

The G80 2.5T’s standard fuel tank has 2.6 gallons more fuel capacity than the A6 (21.9 vs. 19.3 gallons).

Transmission

An eight-speed automatic is standard on the Genesis G80, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the A6.

Brakes and Stopping

For better stopping power the G80’s front brake rotors are larger than those on the A6:

	G80 2.5T	G80 3.5T	A6
Front Rotors	13.6 inches	14.2 inches	13.3 inches
Rear Rotors	12.8 inches	13.6 inches	13 inches

The G80 stops shorter than the A6:

	G80	A6
60 to 0 MPH	128 feet	129 feet	Consumer Reports
60 to 0 MPH (Wet)	134 feet	137 feet	Consumer Reports

Tires and Wheels

The G80 Sport Prestige’s 275/35R20 rear tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the A6’s optional 40 series tires.

Suspension and Handling

The G80 offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The A6’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the G80’s wheelbase is 3.4 inches longer than on the A6 (118.5 inches vs. 115.1 inches).

For better handling and stability, the average track (width between the wheels) on the G80 is 1.2 inches wider in the rear than the track on the A6.

The G80’s front to rear weight distribution is more even (52% to 48%) than the A6’s (55% to 45%). This gives the G80 more stable handling and braking.

For better maneuverability, the G80’s turning circle is 1.6 feet tighter than the A6’s (38.1 feet vs. 39.7 feet).

Chassis

The design of the Genesis G80 amounts to more than styling. The G80 has an aerodynamic coefficient of drag of .27 Cd. That is lower than the A6 (.29) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the G80 get better fuel mileage.

The front grille of the G80 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The A6 doesn’t offer active grille shutters.

Passenger Space

The G80 has 3.1 inches more front headroom, .9 inches more front legroom, .5 inches more front shoulder room, .1 inches more rear headroom, 1.3 inches more rear legroom and .6 inches more rear shoulder room than the A6.

Ergonomics

Consumer Reports rated the G80’s headlight performance “Very Good,” a higher rating than the A6’s headlights, which were rated “Fair.”

The G80 has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the A6.

Economic Advantages

The G80 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the G80 will retain 46.32% to 47.24% of its original price after five years, while the A6 only retains 41.11% to 42.12%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Genesis G80 will be $2704 to $9378 less than for the Audi A6.

Recommendations

Consumer Reports® recommends both the Genesis G80 and the Audi A6, based on reliability, safety and performance.

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