2025 BMW M8 vs 2025 Genesis G90

$138,800 · Coupe

$89,700 · Sedan

Comparison Overview

The most significant numerical divergence between the 2025 BMW M8 and the 2025 Genesis G90 is the $49,100 difference in Manufacturer's Suggested Retail Price, with the M8 starting at $138,800 versus the G90's $89,700. Performance figures show the M8 generating 617 hp and 553 lb-ft of torque, substantially outperforming the G90's 375 hp and 391 lb-ft of torque. Fuel economy clearly favors the G90, achieving a combined 21 MPG compared to the M8's 17 MPG, a measurable 4 MPG advantage. Furthermore, the G90 is a larger vehicle overall, with a length of 207.7 inches compared to the M8's 191.8 inches. Despite its smaller exterior footprint, the M8 coupe offers slightly more luggage space at 14.8 cu ft versus the G90's 12.0 cu ft.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Genesis G90

The Genesis G90 offers superior daily usability with better fuel economy at 21 MPG combined and a larger, more comfortable sedan body style.

👨‍👩‍👧‍👦 Best for Families

2025 Genesis G90

The G90 is physically larger at 207.7 inches long and is a four-door sedan, making access and passenger hauling inherently easier than the M8 coupe.

🏎️ Best for Enthusiasts

2025 BMW M8

The BMW M8 dominates on power output, delivering 617 horsepower and 553 lb-ft of torque, significantly exceeding the G90's output.

💰 Best Value

2025 Genesis G90

The Genesis G90 provides a luxury experience at a $49,100 lower entry price point while achieving a 4 MPG fuel efficiency benefit.

Choose the BMW M8 if...

Absolute peak performance, indicated by 617 hp, is the highest priority for the buyer.
The buyer prefers a two-door coupe configuration over a traditional four-door sedan.
Maximum cargo utility for a performance vehicle is needed, as the M8 offers 14.8 cu ft versus the G90's 12.0 cu ft.

Choose the Genesis G90 if...

Budget constraints mandate saving $49,100 on the initial purchase price.
Fuel efficiency is a metric of importance, as the G90 achieves 21 MPG combined versus the M8's 17 MPG.
A larger physical footprint for improved ride comfort, evidenced by its 207.7-inch length, is preferred.

Key Dimensions

Dimension	BMW M8	Genesis G90
Length	191.8"	207.7"
Width	74.9"	76.0"
Height	53.6"	58.7"
Wheelbase	111.3"	125.2"

Features Comparison

Safety

Feature	BMW	Genesis
Lane Departure Warning	✓	✓
Driver Attention Alert	✓	✓
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	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Brake Drying	✓	—
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	—
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	—
Front Headrests	2	2
Front Fixed Headrests	✓	—
Rear Headrests	2	3
Rear Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Door Child Safety Locks	—	✓
Headlight Delay-Off	—	✓
Front Power Adjustable Headrests	—	✓
Rear Height Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

Feature	BMW	Genesis
Base Engine Displacement	4.4 L	3.5 L
Number of Cylinders	V8	V6
Base Engine Type	gas	gas
Horsepower	617 hp @ 6000 rpm	375 hp @ 5800 rpm
Torque	553 lb-ft @ 1800 rpm	391 lb-ft @ 4500 rpm
Number of Valves	32	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	BMW	Genesis
Transmission Type	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Center Differential Type	—	Limited Slip

Fuel

Feature	BMW	Genesis
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	15/22 MPG	18/26 MPG
EPA Fuel Economy (Combined)	17 MPG	21 MPG
EPA Driving Range (City/Highway)	301.5/442.2 mi.	347.4/501.8 mi.
Fuel Tank Capacity	20.1 gal.	19.3 gal.

Comfort & Convenience

Feature	BMW	Genesis
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	✓	✓
Wireless Charging Pad	✓	✓
Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Front Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	✓
Dual Zone Climate Control	✓	—
Interior Air Filtration	✓	—
Extended Cabin Heating/Cooling	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	—
Front View Camera	—	✓
Side View Camera	—	✓
Front Parking Sensors	—	✓
Rear Parking Sensors with Side Sensing	—	✓
Automatic Parking Assist	—	✓
Adaptive Cruise Control	—	✓
Rear Cupholders	—	✓
Rear Door Pockets	—	✓
Overhead Console with Storage	—	✓
Three Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓
Cargo Floor Mats	—	✓

In Car Entertainment

Feature	BMW	Genesis
Infotainment Display	12.3 in	12.3 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	1400W
Speaker System	16	15
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	✓
Apple CarPlay (Wired)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	3 months
Premium Brand Speakers	—	Bang & Olufsen
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	BMW	Genesis
One-Touch Power Windows	2	4
Keyless Entry	✓	✓
Reverse Tilt Passenger Mirror	✓	—
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass Extended

Frontseats

Feature	BMW	Genesis
Front Head Room	38.9 in.	39.4 in.
Front Leg Room	42.1 in.	42.3 in.
Front Shoulder Room	57.2 in.	59.1 in.
Seat Material: Premium Leather	✓	✓
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	12-way	18-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	✓
Driver Seat Memory Settings	2	3
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Thigh Extension	✓	✓
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	✓	✓
Front Seat Type: Bucket	—	✓
Passenger Seat Power Adjustments	—	16-way
Seat Massage Function	—	✓

Rearseats

Feature	BMW	Genesis
Rear Head Room	33.6 in.	38.0 in.
Rear Leg Room	29.5 in.	37.8 in.
Rear Shoulder Room	46.9 in.	57.9 in.
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	—	✓
Folding Center Armrest	—	✓
Heated Rear Seats (Multi-Level)	—	✓

Tires and Wheels

Feature	BMW	Genesis
Wheel Finish	Painted Alloy	—
Wheel Size	20 x 10.5 in.	20 x 9.5 in.
Tire Type	Performance	All Season
Tire Size	285/35R20	275/40R20
Painted Alloy Wheels	—	✓
Polished Alloy Wheels	—	✓
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

Suspension

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

Warranty

Feature	BMW	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.	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW M8 and 2025 Genesis G90.

How significant is the power gap between the 2025 M8 and G90?

The gap is substantial, with the BMW M8 producing 617 horsepower and 553 lb-ft of torque. The Genesis G90 delivers 375 horsepower and 391 lb-ft of torque, meaning the M8 has 242 more horsepower available.

Which vehicle is the better choice for long-distance highway cruising based on specifications?

The Genesis G90 is mathematically superior for cruising efficiency, delivering 26 MPG highway compared to the M8's 22 MPG highway. Additionally, the G90's larger sedan dimensions suggest a potentially more relaxed highway ride profile.

Do both vehicles require the same grade of fuel?

Yes, both vehicles specify the use of premium fuel for optimal operation. However, the M8 explicitly requires premium unleaded, whereas the G90 only recommends it, offering slight flexibility.

Is the M8 or G90 physically larger?

The Genesis G90 is substantially longer, measuring 207.7 inches compared to the M8's 191.8 inches, and it is also wider and taller, placing it in a different overall size class.

What is the trade-off regarding cargo volume when choosing performance over luxury?

Despite being smaller overall, the 2025 BMW M8 coupe provides marginally more trunk space at 14.8 cubic feet than the larger 2025 Genesis G90 sedan, which has 12.0 cubic feet.

How does the drivetrain layout compare?

Both vehicles utilize an All-Wheel Drive system paired with an 8-speed shiftable automatic transmission, indicating similar fundamental approaches to power delivery management.