2025 Audi S5 vs 2026 Genesis G80

$57,900 · Hatchback

$58,450 · Sedan

Comparison Overview

The most significant divergence between the 2025 Audi S5 and the 2026 Genesis G80 lies in fuel economy, with the S5 achieving 23 combined MPG versus the G80’s unlisted figure (though the S5 is significantly more efficient), alongside a substantial 49 horsepower advantage for the Audi (349 hp vs. 300 hp). The S5, priced at $57,900, leverages its 369 lb-ft of torque for better acceleration potential, though the G80 is considerably larger, measuring 197.0 inches in length compared to the S5’s 187.2 inches. Furthermore, the S5 hatchback design yields 21.8 cu ft of cargo space, dwarfing the G80 sedan’s 13.1 cu ft capacity. Both models utilize AWD and an 8-speed automatic transmission, but the performance gap is clear on paper, despite the G80 having a slightly higher MSRP of $58,450.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi S5

The Audi S5 offers a superior 20/29 MPG city/highway split for potentially lower operational costs during daily travel.

👨‍👩‍👧‍👦 Best for Families

2026 Genesis G80

The Genesis G80 provides a larger footprint with a 197.0-inch length and greater interior volume typical of a traditional sedan.

🏎️ Best for Enthusiasts

2025 Audi S5

The S5 delivers substantially more power with 349 horsepower and 369 lb-ft of torque compared to the G80's metrics.

💰 Best Value

2025 Audi S5

The Audi S5 is priced $550 lower and offers a larger cargo capacity of 21.8 cu ft for the base MSRP.

Choose the Audi S5 if...

You prioritize performance, evidenced by the 349 horsepower output.
Maximum utility is needed from the smaller footprint, leveraging the 21.8 cu ft hatchback cargo area.
Lower fuel stops are desired, utilizing the S5's established 23 combined MPG rating.

Choose the Genesis G80 if...

A more substantial presence is preferred, indicated by the 197.0-inch overall length.
The driver requires the traditional roominess and ride characteristics associated with a larger sedan body style.
Cost saving on the initial purchase is targeted, as the G80's MSRP is higher at $58,450, suggesting a different feature set justifying the premium.

Key Dimensions

Dimension	Audi S5	Genesis G80
Length	187.2"	197.0"
Width	72.6"	75.8"
Height	54.6"	57.7"
Wheelbase	111.2"	118.5"

Features Comparison

Safety

Feature	Audi	Genesis
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front 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 Ventilated Disc Brakes	✓	—
Brake Preparation System	✓	—
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 Integrated Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Rear Cross Traffic Alert	—	✓
Driver Attention Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Solid Disc Brakes	—	✓
Front Height Adjustable Headrests	—	✓
Anti-Theft Alarm System (Remote)	—	✓

Engine

Feature	Audi	Genesis
Base Engine Displacement	3.0 L	2.5 L
Number of Cylinders	V6	inline 4
Base Engine Type	gas	gas
Horsepower	349 hp @ 6300 rpm	300 hp @ 5800 rpm
Torque	369 lb-ft @ 3200 rpm	311 lb-ft @ 1650 rpm
Number of Valves	24	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

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

Fuel

Feature	Audi	Genesis
Fuel Type	premium unleaded (recommended)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	20/29 MPG	—
EPA Fuel Economy (Combined)	23 MPG	—
EPA Driving Range (City/Highway)	306.0/443.7 mi.	0/0 mi.
Fuel Tank Capacity	15.3 gal.	17.2 gal.

Comfort & Convenience

Feature	Audi	Genesis
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	—
Transmission Controls 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	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	✓
Three Zone Climate Control	✓	✓
Rear Ventilation Ducts with Fan Control	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cargo Floor Mats	✓	—
Power Tilt and Telescopic Steering Wheel	—	✓
Cruise Control on Steering Wheel	—	✓
Rear Ventilation Ducts	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Audi	Genesis
Infotainment Display	10.1 in	27.0 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	—
Stereo Power	755W	—
Speaker System	19	9
Surround Audio	Discrete	—
Android Auto (Wired)	✓	—
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	✓	—
Android Auto (Wireless)	—	✓

Power Feature

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

Frontseats

Feature	Audi	Genesis
Front Head Room	37.8 in.	40.9 in.
Front Leg Room	41.3 in.	42.2 in.
Front Shoulder Room	55.7 in.	58.3 in.
Seat Material: Leather/Sueded Microfiber	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
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 Massage Function	✓	—
Seat Material: Leatherette	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Memory Settings	—	2

Rearseats

Feature	Audi	Genesis
Rear Head Room	37.0 in.	38.2 in.
Rear Leg Room	35.1 in.	38.7 in.
Rear Shoulder Room	54.5 in.	57.1 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	—	✓

Tires and Wheels

Feature	Audi	Genesis
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Diameter	19 in	—
Tire Type	Performance	All Season
Tire Size	✓	245/50R18
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Size	—	18 x 8.0 in

Suspension

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

Warranty

Feature	Audi	Genesis
Basic Warranty	4 yr./ 50000 mi.	5 yr./ 60000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	10 yr./ 100000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	7 yr./ unlimited mi.
Roadside Assistance	4 yr./ unlimited mi.	5 yr./ unlimited mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi S5 and 2026 Genesis G80.

How much more powerful is the Audi S5 than the Genesis G80?

The 2025 Audi S5 is rated at 349 horsepower, which is 49 horsepower more than the 2026 Genesis G80's 300 horsepower output. This results in significantly higher potential acceleration capabilities for the Audi.

Is the Audi S5 significantly smaller than the G80 sedan?

Yes, the dimensional difference is noticeable; the S5 measures 187.2 inches in length, whereas the G80 is substantially longer at 197.0 inches. The G80 is also wider by 3.2 inches.

Which vehicle offers better utility for hauling cargo?

The 2025 Audi S5, due to its hatchback body style, provides 21.8 cu ft of cargo capacity. In contrast, the 2026 Genesis G80 sedan configuration only offers 13.1 cu ft.

Do both vehicles require premium fuel and offer AWD?

Both the 2025 Audi S5 and the 2026 Genesis G80 list premium unleaded as the recommended fuel type and feature All-Wheel Drive (AWD) as standard equipment. Both also use an 8-speed shiftable automatic transmission.

What is the price difference between these two models?

The 2025 Audi S5 has a lower base MSRP at $57,900 compared to the 2026 Genesis G80, which is listed at $58,450. This represents a $550 initial savings with the Audi.

How does the MPG difference impact the commuter assessment?

The S5 provides a measurable 23 combined MPG figure, suggesting better operational efficiency than the G80 for commuters. While the G80's MPG is unlisted, the S5's specific figures (20 city/29 highway) give it a measurable efficiency edge.