2025 BMW M8 Gran Coupe vs 2026 Genesis G90

$140,000 · Sedan

$92,700 · Sedan

Comparison Overview

The $47,300 MSRP discrepancy between the 2025 BMW M8 Gran Coupe ($140,000) and the 2026 Genesis G90 ($92,700) is the most significant factor, immediately positioning the G90 as the pragmatic choice. Power metrics heavily favor the BMW, which delivers 617 hp and 553 lb-ft of torque, a substantial 242 hp advantage over the G90's 375 hp. This performance comes at a cost to efficiency; the M8 achieves only 17 combined MPG compared to the G90's superior 21 combined MPG, a 4 MPG differential. Dimensionally, the G90 is slightly longer at 207.7 inches versus the M8's 200.9 inches, though the M8 offers marginally more utility with 15.5 cu ft of cargo capacity against the G90's 12 cu ft. Ultimately, buyers must weigh extreme performance against substantial cost and fuel economy savings.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Genesis G90

The Genesis G90 wins for commuting due to its better fuel economy, achieving 21 combined MPG versus the M8's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Genesis G90

The G90 offers slightly better physical accommodation, being 6.8 inches longer and 2.8 inches taller than the M8, despite having less cargo space.

🏎️ Best for Enthusiasts

2025 BMW M8 Gran Coupe

The BMW M8 Gran Coupe is the definitive enthusiast choice, boasting 617 hp and 553 lb-ft of torque, significantly outclassing the G90's output.

💰 Best Value

2026 Genesis G90

With an MSRP that is $47,300 lower than the M8, the Genesis G90 presents overwhelmingly superior initial value.

Choose the BMW M8 Gran Coupe if...

Maximum powertrain performance is the primary objective, evidenced by its 617 hp.
You require the higher cargo capacity of 15.5 cu ft compared to the G90's 12 cu ft.
Absolute driving dynamics are prioritized over long-term operational costs or initial purchase price.

Choose the Genesis G90 if...

Budget constraints favor a $140,000 MSRP versus a $92,700 starting price.
Achieving 21 combined MPG is more important than raw acceleration figures.
A larger exterior footprint is desired, as the G90 measures 207.7 inches long.

Key Dimensions

Dimension	BMW M8 Gran Coupe	Genesis G90
Length	200.9"	207.7"
Width	76.5"	76.0"
Height	55.9"	58.7"
Wheelbase	119.2"	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	✓	✓
Rear Door Child Safety Locks	✓	✓
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	✓	✓
Headlight Delay-Off	✓	✓
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	✓	—
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Front Power Adjustable Headrests	—	✓
Rear Height Adjustable Headrests	—	✓

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 @ 1300 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	✓	✓
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/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	—	✓
Overhead Console with Storage	—	✓
Three Zone Climate Control	—	✓

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
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	BMW	Genesis
Front Head Room	40.6 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	✓	✓
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	37.1 in.	38.0 in.
Rear Leg Room	36.6 in.	37.8 in.
Rear Shoulder Room	54.6 in.	57.9 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Reclining Rear Seats	—	✓
Folding Center Armrest	—	✓
Heated Rear Seats (Multi-Level)	—	✓

Tires and Wheels

Feature	BMW	Genesis
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	20 x 10.5 in.	20 x 9.5 in.
Tire Type	Performance	All Season
Tire Size	285/35R Y	275/40R20
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 Gran Coupe and 2026 Genesis G90.

How does the fuel requirement differ between these two sedans?

The 2025 BMW M8 requires premium unleaded fuel to achieve its performance metrics. Conversely, the 2026 Genesis G90 only recommends premium unleaded, offering slightly more flexibility for the owner.

Which vehicle offers a greater advantage in passenger and driver space dimensions?

The Genesis G90 is physically larger in overall dimensions, measuring 207.7 inches long and 58.7 inches high. The BMW M8 is shorter at 200.9 inches and lower at 55.9 inches.

What is the specific power deficit when comparing the two AWD systems?

The M8 produces 617 hp, meaning the G90, at 375 hp, has a deficit of 242 horsepower. This translates to a significant gap in acceleration potential between the two all-wheel-drive platforms.

How much more torque does the BMW M8 produce compared to the Genesis G90?

The M8 generates 553 lb-ft of torque, providing 162 lb-ft more twisting force than the G90's 391 lb-ft figure.

Despite being the performance model, does the M8 have substantially better cargo volume?

No, the M8 offers marginally better utility with 15.5 cu ft of cargo space, whereas the G90 is restricted to 12 cu ft, a difference of 3.5 cubic feet.