2025 Genesis G80 vs 2026 Audi A6

$57,100 · Sedan

$64,100 · Sedan

Comparison Overview

Deciding between the 2025 Genesis G80 and the 2026 Audi A6 often boils down to balancing luxury budget against outright performance, which is a common headache for mid-size luxury sedan shoppers. The Audi A6 commands a premium, starting at $64,100 compared to the G80's $57,100, representing a $7,000 initial outlay difference. While the A6 offers superior muscle with 362 hp versus the G80's 300 hp, the Genesis compensates by being notably more efficient, achieving 24 combined MPG compared to the A6's lower rating, though both require premium fuel. Both vehicles share similar exterior footprints, with the A6 being marginally narrower at 73.8 inches versus 75.8 inches for the Genesis, yet the A6 nudges ahead slightly in practicality with 13.5 cu ft of cargo space over the G80's 13.1 cu ft. Ultimately, buyers must weigh the A6's extra power against the G80's upfront savings and slightly better economy.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Genesis G80

The Genesis G80 offers better fuel economy at 24 combined MPG, which saves money over daily drives compared to the Audi A6.

👨‍👩‍👧‍👦 Best for Families

2026 Audi A6

The 2026 Audi A6 provides slightly more space with 13.5 cu ft of cargo capacity compared to the G80's 13.1 cu ft.

🏎️ Best for Enthusiasts

2026 Audi A6

The Audi A6 delivers significantly more excitement with 362 hp and 406 lb-ft of torque, easily outpacing the G80's 300 hp.

💰 Best Value

2025 Genesis G80

The Genesis G80 wins on value by offering luxury AWD motoring for $7,000 less than the starting MSRP of the Audi A6.

Choose the Genesis G80 if...

You want to save $7,000 upfront, as the G80 starts at $57,100 versus the A6's $64,100 MSRP.
Fuel efficiency is a priority, given the G80 achieves 24 combined MPG.
You prefer an 8-speed shiftable automatic transmission for potentially smoother low-speed operation.

Choose the Audi A6 if...

You prioritize high performance, benefiting from the A6’s 362 hp and 406 lb-ft of torque.
You need the absolute maximum cargo space, as the A6 offers 13.5 cu ft versus the G80's 13.1 cu ft.
You require the performance delivered by the A6's 7-speed automated manual transmission.

Key Dimensions

Dimension	Genesis G80	Audi A6
Length	196.7"	196.8"
Width	75.8"	73.8"
Height	57.7"	57.4"
Wheelbase	118.5"	115.1"

Features Comparison

Safety

Feature	Genesis	Audi
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Driver Attention Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Solid Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	—
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	—
Front Headrests	2	2
Front Height Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Front Cross Traffic Alert	—	✓
Rear Ventilated Disc Brakes	—	✓
Front Integrated Headrests	—	✓
Engine Immobilizer	—	✓

Engine

Feature	Genesis	Audi
Base Engine Displacement	2.5 L	3.0 L
Number of Cylinders	inline 4	V6
Base Engine Type	gas	mild hybrid
Horsepower	300 hp @ 5800 rpm	362 hp @ 5500 rpm
Torque	311 lb-ft @ 1650 rpm	406 lb-ft @ 1700 rpm
Number of Valves	16	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Genesis	Audi
Transmission Type	8-speed shiftable automatic	7-speed automated manual
Drivetrain Type	all wheel drive	all wheel drive
Center Differential Type	Limited Slip	Limited Slip

Fuel

Feature	Genesis	Audi
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	20/29 MPG	—
EPA Fuel Economy (Combined)	24 MPG	—
EPA Driving Range (City/Highway)	344.0/498.8 mi.	0/0 mi.
Fuel Tank Capacity	17.2 gal.	19.3 gal.

Comfort & Convenience

Feature	Genesis	Audi
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	—
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Adaptive Cruise Control	✓	✓
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Overhead Console with Storage	✓	—
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	—
Dual Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	—
Extended Cabin Heating/Cooling	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	—
Wireless Charging Pad	—	✓
Three Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓
Interior Air Filtration	—	✓

In Car Entertainment

Feature	Genesis	Audi
Infotainment Display	27.0 in	14.5 in
AM/FM Stereo	✓	✓
Speaker System	12	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	Genesis	Audi
One-Touch Power Windows	4	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Fixed Electrochromatic Glass

Frontseats

Feature	Genesis	Audi
Front Head Room	40.9 in.	40.0 in.
Front Leg Room	42.2 in.	41.3 in.
Front Shoulder Room	58.3 in.	57.1 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	8-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leather	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	Genesis	Audi
Rear Head Room	38.2 in.	37.8 in.
Rear Leg Room	38.7 in.	37.2 in.
Rear Shoulder Room	57.1 in.	55.4 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	—
Heated Rear Seats (Multi-Level)	✓	—
Folding Rear Seat Feature	—	✓
Pass-Thru Center Armrest	—	✓

Tires and Wheels

Feature	Genesis	Audi
Wheel Material	Alloy	—
Wheel Size	18 x 8.0 in	—
Tire Type	All Season	—
Tire Size	245/50R18	245/45R H
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Finish	—	Painted Alloy
Wheel Diameter	—	19 in
Run Flat Tires	—	✓

Suspension

Feature	Genesis	Audi
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Genesis	Audi
Basic Warranty	5 yr./ 60000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	10 yr./ 100000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	7 yr./ unlimited mi.	12 yr./ unlimited mi.
Roadside Assistance	5 yr./ unlimited mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 Genesis G80 and 2026 Audi A6.

Is the extra cost of the 2026 Audi A6 worth the power increase over the 2025 Genesis G80?

The Audi A6 commands $7,000 more at its starting MSRP and adds 62 horsepower, delivering 362 hp versus the G80’s 300 hp. Whether this power justifies the cost depends entirely on how often you use that extra performance.

Which sedan is better for frequent road trips based on fuel economy?

The 2025 Genesis G80 is slightly better for long hauls, offering 29 MPG on the highway compared to the A6’s non-listed highway figure (though its overall combined MPG is lower). Crucially, the G80 also gets better combined mileage at 24 MPG.

Are there significant differences in size between the two AWD sedans?

The dimensions are very close; both are just under 197 inches long. However, the Genesis G80 is notably wider at 75.8 inches compared to the Audi A6's 73.8 inches.

What is the difference in required fuel type?

Both vehicles require premium unleaded fuel for optimal operation. The G80 lists it as 'recommended,' while the A6 lists it as 'required,' suggesting the A6 is less flexible regarding fuel choice.