2025 BMW 8 Series vs 2026 Mercedes-Benz S-Class

$91,700 · Coupe

$119,500 · Sedan

Comparison Overview

Choosing between the 2025 BMW 8 Series and the 2026 Mercedes-Benz S-Class often boils down to prioritizing pure luxury presence versus attainable, spirited driving. While the S-Class commands respect with its commanding 209.5-inch length and superior 442 hp output, the BMW 8 Series sneaks in under budget at an MSRP of $91,700, a significant $27,800 saving over the Mercedes. For daily driving, the 8 Series offers slightly better fuel economy at 24 combined MPG compared to the S-Class's 23 MPG, though both require premium fuel. Furthermore, the 8 Series, being a Coupe, offers 14.8 cu ft of cargo space, beating the larger Sedan's 12.8 cu ft capacity. This comparison pits established elegance against aggressive savings, proving that daily usability doesn't always require the highest price tag.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW 8 Series

The BMW 8 Series is more maneuverable due to its 191.2-inch length and offers marginally better combined fuel economy at 24 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Mercedes-Benz S-Class

The 2026 Mercedes-Benz S-Class is the superior choice as a Sedan, offering more interior space and standard All-Wheel Drive for better stability.

🏎️ Best for Enthusiasts

2026 Mercedes-Benz S-Class

The S-Class appeals more to enthusiasts with its substantial 442 hp and standard All-Wheel Drive capability.

💰 Best Value

2025 BMW 8 Series

The 2025 BMW 8 Series delivers strong performance (335 hp) for nearly $28,000 less than the S-Class.

Choose the BMW 8 Series if...

You want to keep the initial purchase price under $100,000, as the 8 Series starts at $91,700.
You prefer a sportier, more compact two-door profile (Coupe) that measures only 53.0 inches high.
You prioritize maximizing trunk space, as its 14.8 cu ft capacity beats the S-Class's 12.8 cu ft.

Choose the Mercedes-Benz S-Class if...

You require standard All-Wheel Drive and the added security of a larger platform (209.5 inches long).
You demand the maximum available power, benefiting from 442 hp versus the 8 Series' 335 hp.
You need a true rear passenger experience, which the Sedan body style inherently provides over a Coupe.

Key Dimensions

Dimension	BMW 8 Series	Mercedes-Benz S-Class
Length	191.2"	209.5"
Width	74.9"	75.6"
Height	53.0"	59.2"
Wheelbase	111.1"	126.6"

Features Comparison

Safety

Feature	BMW	Mercedes-Benz
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 Multi-Adjustable Headrests	✓	—
Rear Headrests	2	3
Rear Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Lane Keeping Assist System	—	✓
Front Cross Traffic Alert	—	✓
Rear Cross Traffic Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Door Child Safety Locks	—	✓
Headlight Delay-Off	—	✓
Cornering Lights	—	✓
Front Power Adjustable Headrests	—	✓
Rear Multi-Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

Feature	BMW	Mercedes-Benz
Base Engine Displacement	3.0 L	3.0 L
Number of Cylinders	inline 6	inline 6
Base Engine Type	gas	mild hybrid
Horsepower	335 hp @ 5000 rpm	442 hp
Torque	369 lb-ft @ 1600 rpm	413 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	BMW	Mercedes-Benz
Transmission Type	8-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	rear wheel drive	all wheel drive
Rear Differential Type	Limited Slip	—
Center Differential Type	—	Limited Slip

Fuel

Feature	BMW	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	21/29 MPG	20/29 MPG
EPA Fuel Economy (Combined)	24 MPG	23 MPG
EPA Driving Range (City/Highway)	378.0/522.0 mi.	400.0/580.0 mi.
Fuel Tank Capacity	18.0 gal.	20.0 gal.

Comfort & Convenience

Feature	BMW	Mercedes-Benz
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	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Front View Camera	—	✓
Side View Camera	—	✓
Front Parking Sensors	—	✓
Rear Parking Sensors	—	✓
Automatic Parking Assist	—	✓
Adaptive Cruise Control	—	✓
Rear Cupholders	—	✓
Rear Door Pockets	—	✓
Overhead Console with Storage	—	✓
Wood Trim on Steering Wheel	—	✓
Rear Ventilation Ducts	—	✓
Extended Cabin Heating/Cooling	—	✓
Sun Sensor	—	✓

In Car Entertainment

Feature	BMW	Mercedes-Benz
Infotainment Display	12.3 in	12.8 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	Burmester
Stereo Power	464W	710W
Speaker System	16	15
Subwoofer Count	2	2
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	6 months
Speed Sensitive Volume Control	✓	✓
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Auxiliary Audio Input	—	✓

Power Feature

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

Frontseats

Feature	BMW	Mercedes-Benz
Front Head Room	38.9 in.	42.1 in.
Front Leg Room	42.1 in.	41.4 in.
Front Shoulder Room	57.2 in.	59.6 in.
Seat Material: Premium Leather	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	14-way	12-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	3
Passenger Seat Power Adjustments	14-way	12-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Thigh Extension	✓	✓
Passenger Seat Memory Settings	2	3
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leather	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓
Seat Massage Function	—	✓

Rearseats

Feature	BMW	Mercedes-Benz
Rear Head Room	33.6 in.	39.4 in.
Rear Leg Room	29.5 in.	43.8 in.
Rear Shoulder Room	46.9 in.	59.0 in.
Split-Folding Rear Seatback	✓	—
Folding Center Armrest	—	✓

Tires and Wheels

Feature	BMW	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	19 x 9.0 in	19 x 8.5 in
Tire Size	275/35R19	255/45R19
Run Flat Tires	✓	✓
Wheel Material	—	Alloy

Suspension

Feature	BMW	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	BMW	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW 8 Series and 2026 Mercedes-Benz S-Class.

Is the 2026 Mercedes-Benz S-Class really $27,800 more expensive than the BMW 8 Series?

Yes, based on the provided data, the S-Class MSRP of $119,500 is exactly $27,800 higher than the 8 Series' starting price of $91,700. This significant gap reflects the S-Class's higher power and standard luxury features.

Which car is better for spirited driving enthusiasts?

While both are powerful, the 2026 S-Class offers a noticeable advantage with 442 hp and 413 lb-ft of torque, compared to the 8 Series' 335 hp and 369 lb-ft. Additionally, the S-Class includes standard All-Wheel Drive, which many enthusiasts prefer for putting power down efficiently.

Does the larger S-Class offer more practical cargo space?

Surprisingly, no; the smaller 2025 BMW 8 Series Coupe offers a slightly larger cargo capacity at 14.8 cu ft. The 2026 Mercedes-Benz S-Class Sedan trails slightly with 12.8 cu ft of space.

Are the fuel costs drastically different between these two premium vehicles?

The difference is minimal, as both require premium fuel. The 8 Series gets 24 combined MPG while the S-Class achieves 23 combined MPG. Over time, the 8 Series might save you slightly at the pump due to that one extra MPG.

Why would someone choose the 8 Series if the S-Class is much more powerful?

The 8 Series is chosen by buyers prioritizing affordability and form factor; it is significantly cheaper and offers the classic, sleek profile of a Coupe rather than the larger Sedan design of the S-Class.

How much taller is the Mercedes S-Class compared to the BMW 8 Series?

The S-Class is considerably taller, standing at 59.2 inches high, whereas the low-slung 8 Series Coupe sits at 53.0 inches. This height difference emphasizes the S-Class's Sedan proportions versus the 8 Series' sporty stance.