2025 Audi A8 vs 2026 Genesis G90

$92,000 · Sedan

$92,700 · Sedan

Comparison Overview

The battle between the 2025 Audi A8 and the 2026 Genesis G90 pits proven German luxury against compelling Korean ambition. The A8 captivates with its signature quattro AWD system and sophisticated styling, offering a solid 335 hp and 369 lb-ft of torque paired with 22 MPG combined. Conversely, the G90 bursts onto the scene with a potent edge, delivering 375 hp and 391 lb-ft of torque, making it the straight-line speed king despite sipping slightly more fuel at 21 MPG combined. While both flagships share an 8-speed automatic transmission and command MSRPs near $93,000 (A8 at $92,000, G90 at $92,700), the A8's slightly superior fuel economy and familiar prestige offer a compelling contrast to the G90's 40-hp advantage. The A8 measures 209.5 inches long, whereas the G90 is marginally shorter at 207.7 inches, presenting two distinct flavors of full-size executive transport.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi A8

The Audi A8 offers slightly better combined fuel economy at 22 MPG compared to the Genesis G90's 21 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Audi A8

The Audi A8 provides marginally more storage space with 12.5 cubic feet versus the G90's 12.0 cubic feet.

🏎️ Best for Enthusiasts

2026 Genesis G90

The 2026 Genesis G90 appeals more to driving enthusiasts by boasting 40 more horsepower (375 hp vs. 335 hp).

💰 Best Value

2025 Audi A8

The Audi A8 wins on value because it costs $700 less than the Genesis G90 while delivering better mileage.

Choose the Audi A8 if...

You prioritize long-term efficiency, benefiting from the A8's 22 MPG combined rating.
You desire the familiar, sophisticated engineering legacy associated with the Audi brand.
You need maximum utility, as the A8 offers 12.5 cu ft of cargo space.

Choose the Genesis G90 if...

You crave superior immediate acceleration derived from its 375 hp engine output.
You prefer not being locked into a 'required' fuel grade, as the G90 recommends premium.
You appreciate a slightly taller stance, with the G90 measuring 58.7 inches high versus the A8's 58.3 inches.

Key Dimensions

Dimension	Audi A8	Genesis G90
Length	209.5"	207.7"
Width	76.6"	76.0"
Height	58.3"	58.7"
Wheelbase	123.1"	125.2"

Features Comparison

Safety

Feature	Audi	Genesis
Lane Departure Warning	✓	✓
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 Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	—
Front Headrests	2	2
Front Multi-Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Driver Attention Alert	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	Audi	Genesis
Base Engine Displacement	3.0 L	3.5 L
Number of Cylinders	V6	V6
Base Engine Type	mild hybrid	gas
Horsepower	335 hp @ 6000 rpm	375 hp @ 5800 rpm
Torque	369 lb-ft @ 4500 rpm	391 lb-ft @ 1300 rpm
Number of Valves	24	24
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 (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	20/26 MPG	18/26 MPG
EPA Fuel Economy (Combined)	22 MPG	21 MPG
EPA Driving Range (City/Highway)	434.0/564.2 mi.	347.4/501.8 mi.
Fuel Tank Capacity	21.7 gal.	19.3 gal.

Comfort & Convenience

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

In Car Entertainment

Feature	Audi	Genesis
Infotainment Display	10.1 in	12.3 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	Bang & Olufsen
Stereo Power	730W	1400W
Speaker System	17	15
Surround Audio	Discrete	Discrete
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	Audi	Genesis
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass Extended
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Audi	Genesis
Front Head Room	38.3 in.	39.4 in.
Front Leg Room	41.5 in.	42.3 in.
Front Shoulder Room	59.1 in.	59.1 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	18-way	18-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	18-way	16-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Memory Settings	2	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Ventilation	✓	✓
Passenger Seat Ventilation	✓	✓
Seat Material: Premium Leather	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Seat Massage Function	—	✓

Rearseats

Feature	Audi	Genesis
Rear Head Room	38.5 in.	38.0 in.
Rear Leg Room	44.3 in.	37.8 in.
Rear Shoulder Room	57.6 in.	57.9 in.
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Split-Folding Rear Seatback	—	✓
Reclining Rear Seats	—	✓
Folding Center Armrest	—	✓
Heated Rear Seats (Multi-Level)	—	✓

Tires and Wheels

Feature	Audi	Genesis
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Diameter	20 in.	—
Tire Type	All Season	All Season
Tire Size	265/40R20	275/40R20
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Size	—	20 x 9.5 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.
Complimentary Scheduled Maintenance	—	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi A8 and 2026 Genesis G90.

Does the horsepower difference significantly impact real-world driving between the A8 and G90?

Yes, the G90's 40 hp advantage (375 hp vs. 335 hp) is substantial in this luxury class, suggesting quicker acceleration times for the Genesis. While both utilize 8-speed automatics, the G90's superior torque (391 lb-ft vs. 369 lb-ft) will make passing maneuvers feel more effortless.

Which car is cheaper to run daily regarding fuel costs?

The 2025 Audi A8 holds a slight advantage here, achieving 22 MPG combined compared to the G90's 21 MPG combined. Although both demand premium fuel, the A8 requires it versus the G90 which only recommends it, potentially offering minor flexibility.

How do the size differences between these two large sedans compare?

The Audi A8 is longer at 209.5 inches, potentially offering more presence, while the Genesis G90 is slightly taller at 58.7 inches compared to the A8's 58.3 inches. Both feature AWD and similar widths around 76 inches.

Is the higher horsepower in the G90 worth the slightly higher MSRP?

The G90 asks for $92,700 while the A8 is $92,000; you are paying $700 extra for 40 more horsepower. For performance purists, this trade-off delivering 375 hp is likely excellent value.

Are there significant differences in cargo carrying capacity?

The capacities are very close, but the Audi A8 wins marginally, offering 12.5 cubic feet of trunk space. The Genesis G90 provides 12.0 cubic feet, which is functionally similar for typical luggage needs.

Which vehicle offers a better powertrain setup for varying weather conditions?

Both models come equipped with all-wheel drive, ensuring confidence in rain or snow. Furthermore, both utilize an 8-speed shiftable automatic transmission, ensuring smooth power delivery regardless of the 40 hp difference.