2025 BMW 4 Series vs 2026 Genesis G80

$51,150 · Coupe

$58,450 · Sedan

Comparison Overview

The most significant numerical divergence between the 2025 BMW 4 Series and the 2026 Genesis G80 is fuel economy, with the BMW achieving 31 combined MPG versus the G80's unstated figure, although its premium fuel recommendation suggests lower efficiency. Pricewise, the G80 commands a $7,300 premium, starting at $58,450 compared to the 4 Series' $51,150 MSRP. Power metrics favor the G80, delivering 300 hp and 311 lb-ft of torque against the 4 Series' 255 hp and 295 lb-ft. The BMW, being a dedicated coupe with dimensions of 187.9 inches in length and 54.6 inches in height, offers slightly superior cargo space at 15.5 cu ft compared to the larger G80 sedan’s 13.1 cu ft. While the BMW emphasizes RWD efficiency, the G80's standard AWD suggests a trade-off between absolute fuel metrics and all-weather traction.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW 4 Series

The 2025 BMW 4 Series achieves a higher documented combined MPG of 31 and a better 36 MPG highway rating for daily efficiency.

👨‍👩‍👧‍👦 Best for Families

2026 Genesis G80

The 2026 Genesis G80, being a sedan with a 197.0-inch length, offers more conventional passenger access than the two-door coupe configuration of Car 1.

🏎️ Best for Enthusiasts

2026 Genesis G80

The 2026 Genesis G80 generates 300 hp and 311 lb-ft of torque, surpassing the 4 Series' 255 hp output.

💰 Best Value

2025 BMW 4 Series

The 2025 BMW 4 Series is priced $7,300 lower than the Genesis G80 while offering superior stated fuel economy.

Choose the BMW 4 Series if...

Maximum fuel efficiency is paramount, demonstrated by its 31 combined MPG rating.
A lower initial investment is required, with an MSRP of $51,150 versus $58,450 for Car 2.
A driver prefers the inherent handling characteristics of a rear-wheel-drive coupe configuration.

Choose the Genesis G80 if...

Superior straight-line acceleration is desired, courtesy of its 300 hp and 311 lb-ft of torque.
All-wheel drive capability is necessary for varying weather conditions.
A larger sedan footprint (197.0 inches long) and greater overall width (75.8 inches) are preferred.

Key Dimensions

Dimension	BMW 4 Series	Genesis G80
Length	187.9"	197.0"
Width	72.9"	75.8"
Height	54.6"	57.7"
Wheelbase	112.2"	118.5"

Features Comparison

Safety

Feature	BMW	Genesis
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
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	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	2	3
Rear Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Rear Cross Traffic Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Door Child Safety Locks	—	✓
Rear Solid Disc Brakes	—	✓
Rear Height Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

Feature	BMW	Genesis
Base Engine Displacement	2.0 L	2.5 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	mild hybrid	gas
Horsepower	255 hp @ 4700 rpm	300 hp @ 5800 rpm
Torque	295 lb-ft @ 1600 rpm	311 lb-ft @ 1650 rpm
Number of Valves	16	16
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	rear wheel drive	all wheel drive
Center Differential Type	—	Limited Slip

Fuel

Feature	BMW	Genesis
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	28/36 MPG	—
EPA Fuel Economy (Combined)	31 MPG	—
EPA Driving Range (City/Highway)	434.0/558.0 mi.	0/0 mi.
Fuel Tank Capacity	15.5 gal.	17.2 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 Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Dual Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Adaptive Cruise Control	—	✓
Rear Door Pockets	—	✓
Heated Steering Wheel	—	✓
Three Zone Climate Control	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	BMW	Genesis
Infotainment Display	14.9 in	27.0 in
AM/FM Stereo	✓	✓
Stereo Power	205W	—
Speaker System	10	9
Subwoofer Count	2	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	3 months

Power Feature

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

Frontseats

Feature	BMW	Genesis
Front Head Room	38.0 in.	40.9 in.
Front Leg Room	41.8 in.	42.2 in.
Front Shoulder Room	55.1 in.	58.3 in.
Seat Material: Leatherette	✓	✓
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	10-way	8-way
Driver Seat Manual Adjustments	2-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	10-way	8-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Thigh Extension	✓	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Seat Type: Bucket	—	✓
Passenger Seat Lumbar Support	—	Power

Rearseats

Feature	BMW	Genesis
Rear Head Room	35.2 in.	38.2 in.
Rear Leg Room	34.5 in.	38.7 in.
Rear Shoulder Room	51.0 in.	57.1 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	—	✓

Tires and Wheels

Feature	BMW	Genesis
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	18 x 7.5 in	18 x 8.0 in
Tire Size	225/45R18	245/50R18
Run Flat Tires	✓	—
Tire Type	—	All Season
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.
Hybrid Component Warranty	8 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 BMW 4 Series and 2026 Genesis G80.

How much more powerful is the 2026 Genesis G80 than the 2025 BMW 4 Series?

The 2026 Genesis G80 is significantly more potent, offering 300 horsepower and 311 lb-ft of torque. This compares favorably to the 2025 BMW 4 Series, which produces 255 hp and 295 lb-ft of torque.

Which vehicle offers better fuel economy for commuting?

Based on documented figures, the 2025 BMW 4 Series is superior, achieving 31 combined MPG (28 city/36 highway). The G80's mileage is not explicitly stated, but its larger size and standard AWD suggest lower efficiency despite being premium recommended.

What is the primary advantage of the G80's drive type over the 4 Series?

The 2026 Genesis G80 comes standard with All-Wheel Drive (AWD), enhancing traction and stability, particularly in adverse conditions. The BMW 4 Series utilizes a traditional Rear Wheel Drive (RWD) setup, which often prioritizes driver engagement over maximum traction.

Does the smaller coupe (4 Series) have more cargo space than the sedan (G80)?

Yes, surprisingly, the 2025 BMW 4 Series coupe lists 15.5 cu ft of cargo capacity. The larger 2026 Genesis G80 sedan offers a slightly smaller documented capacity of 13.1 cu ft.

How significant is the price difference between these two vehicles?

The Genesis G80 commands a $7,300 price premium over the BMW 4 Series, with the G80 starting at $58,450 compared to the 4 Series' $51,150 MSRP.

Do both vehicles require premium fuel?

The 2025 BMW 4 Series explicitly requires premium unleaded fuel for its operation. The 2026 Genesis G80 specifies premium unleaded as 'recommended,' implying flexibility but advising premium for peak performance.