2025 Genesis G90 vs 2026 Audi A8

$89,700 · Sedan

$95,100 · Sedan

Comparison Overview

The 2025 Genesis G90 bursts onto the scene with an intoxicating 375 horsepower, offering an immediate performance edge over the refined 2026 Audi A8, which produces a more reserved 335 horsepower. While both luxury sedans command attention with their substantial dimensions, the G90 is slightly shorter at 207.7 inches compared to the A8's 209.5 inches. The Audi, priced $5,400 higher at $95,100, clings to fuel efficiency with a slightly better Combined MPG rating of 22 versus the Genesis's 21 MPG. Both boast an identical 8-speed automatic transmission and standard All-Wheel Drive for supreme road manners. However, the G90’s higher torque figure of 391 lb-ft compared to the A8’s 369 lb-ft suggests a more visceral initial launch, setting the stage for a battle between assertive power delivery and established German composure in the premium sedan segment.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi A8

The 2026 Audi A8 offers slightly better fuel economy with 22 Combined MPG compared to the Genesis G90's 21 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi A8

The 2026 Audi A8 provides marginally more cargo space at 12.5 cu ft, which is useful for family gear.

🏎️ Best for Enthusiasts

2025 Genesis G90

The 2025 Genesis G90 is the superior choice for power with its 375 horsepower and 391 lb-ft of torque.

💰 Best Value

2025 Genesis G90

The 2025 Genesis G90 wins on value by offering significantly more power for $5,400 less than the starting MSRP of the 2026 Audi A8.

Choose the Genesis G90 if...

You prioritize raw performance, as the G90 delivers 375 horsepower and 391 lb-ft of torque.
You seek better inherent value, saving $5,400 against the Audi A8's base MSRP of $95,100.
You prefer a slightly more compact footprint at 207.7 inches in length for easier urban navigation.

Choose the Audi A8 if...

You need the maximum available space, as the A8 offers 12.5 cu ft of cargo capacity.
You value marginal efficiency gains, achieving 27 highway MPG compared to the G90's 26 highway MPG.
You prefer the established luxury presence and feel of the larger 209.5-inch Audi flagship sedan.

Key Dimensions

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

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 Ventilated Disc Brakes	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Brake Preparation System	—	✓
Self-Leveling Headlights	—	✓
Cornering Lights	—	✓
Front Fog Lights	—	✓
Integrated Turn Signal Mirrors	—	✓
Front Multi-Adjustable Headrests	—	✓

Engine

Feature	Genesis	Audi
Base Engine Displacement	3.5 L	3.0 L
Number of Cylinders	V6	V6
Base Engine Type	gas	mild hybrid
Horsepower	375 hp @ 5800 rpm	335 hp
Torque	391 lb-ft @ 4500 rpm	369 lb-ft
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	Genesis	Audi
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
Hill Descent Control	—	✓

Fuel

Feature	Genesis	Audi
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	18/26 MPG	19/27 MPG
EPA Fuel Economy (Combined)	21 MPG	22 MPG
EPA Driving Range (City/Highway)	347.4/501.8 mi.	412.3/585.9 mi.
Fuel Tank Capacity	19.3 gal.	21.7 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	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors with Side Sensing	✓	—
Automatic Parking Assist	✓	—
Wireless Charging Pad	✓	✓
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	✓	✓
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	✓
Extended Cabin Heating/Cooling	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Cargo Floor Mats	✓	—
Rear Parking Sensors	—	✓
Cruise Control	—	✓
Four Zone Climate Control	—	✓
Interior Air Filtration	—	✓
Extended Cabin Heating	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	Genesis	Audi
Infotainment Display	12.3 in	10.1 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	Bang & Olufsen
Stereo Power	1400W	730W
Speaker System	15	17
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	✓	✓
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

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

Frontseats

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

Rearseats

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

Tires and Wheels

Feature	Genesis	Audi
Painted Alloy Wheels	✓	—
Polished Alloy Wheels	✓	—
Wheel Size	20 x 9.5 in.	—
Tire Type	All Season	All Season
Tire Size	275/40R20	265/40R20
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Finish	—	Painted Alloy
Wheel Diameter	—	20 in.

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.	3 yr./ 30000 mi.

Frequently Asked Questions

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

How much faster is the 2025 Genesis G90 compared to the 2026 Audi A8?

The Genesis G90 boasts a significant advantage in engine output, generating 375 horsepower, which is exactly 40 hp more than the 2026 Audi A8’s 335 horsepower. This power disparity means the G90 should feel noticeably more potent during acceleration tests.

Is the significant price difference between these two luxury sedans justified?

The 2025 Genesis G90 undercuts the 2026 Audi A8 by $5,400, with starting prices of $89,700 versus $95,100. For buyers focused on budget while seeking maximum engine output, the G90 provides significantly more horsepower per dollar.

Which car has better fuel economy for daily driving?

The 2026 Audi A8 pulls ahead marginally in efficiency, achieving 22 Combined MPG (19 City/27 Highway). This is slightly better than the Genesis G90, which returns 21 Combined MPG (18 City/26 Highway), even though both require premium unleaded fuel.

Are the driving dynamics very different given they both use AWD and 8-speed automatics?

While both utilize an 8-speed automatic and standard All-Wheel Drive, the G90’s 391 lb-ft of torque provides a different initial feel than the A8’s 369 lb-ft. The G90 aims for outright performance feel, whereas the A8 leverages its refinement across its larger 209.5-inch frame.

Do either of these vehicles offer substantial differences in interior storage?

Storage capacity is nearly identical, with the 2026 Audi A8 offering 12.5 cubic feet of trunk space compared to the 2025 Genesis G90’s 12.0 cubic feet. This difference is minor and likely negligible for most luxury sedan owners.

Which car is dimensionally larger, and does it affect practicality?

The 2026 Audi A8 is slightly longer at 209.5 inches and wider at 76.6 inches than the Genesis G90 (207.7 inches long, 76.0 inches wide). The A8's greater length contributes marginally to its slightly larger cargo capacity.