2025 BMW M4 CS vs 2026 Genesis G90

$123,500 · Coupe

$92,700 · Sedan

Comparison Overview

The eternal conflict for premium buyers often boils down to outright performance versus flagship luxury: the 2025 BMW M4 CS versus the 2026 Genesis G90. If you're torn between track-ready capability and serene daily driving, the numbers reveal clear divides. The M4 CS demands a hefty $123,500 MSRP but delivers a stunning 543 hp, leveraging its aggressive tuning for speed. Conversely, the G90 enters the ring at $92,700, representing a significant $30,800 saving, while still offering competent AWD performance with 375 hp. Despite its power deficit, the G90 nudges ahead slightly on fuel economy, achieving 21 combined MPG compared to the M4 CS's 18 combined MPG. However, the sheer 168 hp gap in favor of the BMW signals its focus is performance, while the G90 prioritizes space, indicated by its greater length at 207.7 inches versus the BMW's 189.0 inches.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Genesis G90

The Genesis G90 offers better city fuel economy at 18 MPG and prioritizes cabin comfort over raw speed for the daily slog.

👨‍👩‍👧‍👦 Best for Families

2026 Genesis G90

As a sedan with greater overall length (207.7 inches) and a focus on luxury refinement, the G90 accommodates passengers better than the performance coupe.

🏎️ Best for Enthusiasts

2025 BMW M4 CS

The BMW M4 CS offers substantially more power with 543 hp compared to the G90's 375 hp, making it the superior choice for spirited driving.

💰 Best Value

2026 Genesis G90

The G90 saves buyers $30,800 on the sticker price while providing a near-luxury experience with only a marginal drop in fuel economy.

Choose the BMW M4 CS if...

You need the raw performance edge provided by 543 horsepower and 479 lb-ft of torque.
You prefer the agile, low-slung dynamics of a coupe body style.
You do not mind using premium unleaded fuel constantly to achieve a 16 MPG city rating.

Choose the Genesis G90 if...

Budget is a major consideration, as the G90's $92,700 MSRP saves $30,800 over the M4 CS.
You require slightly better fuel efficiency, boasting 21 combined MPG versus the BMW's 18.
You value the traditional spaciousness of a full-size sedan, indicated by its 207.7-inch length.

Key Dimensions

Dimension	BMW M4 CS	Genesis G90
Length	189.0"	207.7"
Width	75.5"	76.0"
Height	55.1"	58.7"
Wheelbase	112.5"	125.2"

Features Comparison

Safety

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

Engine

Feature	BMW	Genesis
Base Engine Displacement	3.0 L	3.5 L
Number of Cylinders	inline 6	V6
Base Engine Type	gas	gas
Horsepower	543 hp @ 6250 rpm	375 hp @ 5800 rpm
Torque	479 lb-ft @ 2750 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	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)	16/23 MPG	18/26 MPG
EPA Fuel Economy (Combined)	18 MPG	21 MPG
EPA Driving Range (City/Highway)	249.6/358.8 mi.	347.4/501.8 mi.
Fuel Tank Capacity	15.6 gal.	19.3 gal.

Comfort & Convenience

Feature	BMW	Genesis
Push Button Start	✓	✓
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	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	—
Wireless Charging Pad	✓	✓
Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Door Pockets	✓	✓
Steering Wheel Material	Simulated Suede/Carbon Fiber	—
Dual Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	—
Interior Air Filtration	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Front View Camera	—	✓
Side View Camera	—	✓
Rear Parking Sensors with Side Sensing	—	✓
Automatic Parking Assist	—	✓
Adaptive Cruise Control	—	✓
Front Cupholders	—	✓
Rear Cupholders	—	✓
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	—	✓

In Car Entertainment

Feature	BMW	Genesis
Infotainment Display	14.9 in	12.3 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	3 months
Premium Brand Speakers	—	Bang & Olufsen
Stereo Power	—	1400W
Speaker System	—	15
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
USB Port with External Media Control	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

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

Rearseats

Feature	BMW	Genesis
Split-Folding Rear Seatback	✓	✓
Rear Head Room	—	38.0 in.
Rear Leg Room	—	37.8 in.
Rear Shoulder Room	—	57.9 in.
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	285/30R	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 M4 CS and 2026 Genesis G90.

How much more powerful is the 2025 BMW M4 CS than the 2026 Genesis G90?

The BMW M4 CS boasts a significant power advantage, generating 543 horsepower compared to the Genesis G90's 375 horsepower. This 168 hp difference means the M4 CS is engineered for much quicker acceleration times.

Is the price difference between these two vehicles substantial?

Yes, the difference is quite substantial; the 2025 BMW M4 CS has an MSRP of $123,500, while the 2026 Genesis G90 starts at $92,700, yielding a direct saving of $30,800 by choosing the G90.

Which vehicle offers better fuel economy for commuting?

The 2026 Genesis G90 is slightly more efficient, achieving 21 combined MPG (18 city/26 highway). The performance-focused BMW M4 CS returns 18 combined MPG (16 city/23 highway).

Do these cars have different cargo capacities?

No, surprisingly, both vehicles list an identical maximum cargo capacity of 12 cubic feet, which is relatively tight for the luxury sedan segment.

Are both vehicles all-wheel drive and automatic?

Both the M4 CS and the G90 feature an all-wheel drive system and utilize an 8-speed shiftable automatic transmission, though their performance characteristics behind the wheel will vary greatly.

Does the Genesis G90 require premium fuel like the BMW M4 CS?

The 2025 BMW M4 CS strictly requires premium unleaded fuel for its high-compression engine. In contrast, the 2026 Genesis G90 lists premium fuel as 'recommended' rather than required.