2025 BMW ALPINA B8 Gran Coupe vs 2025 Mercedes-Benz S-Class
Comparison Overview
The primary divergence between the 2025 BMW ALPINA B8 Gran Coupe (car1) and the 2025 Mercedes-Benz S-Class (car2) is the $33,750 MSRP gap, with the ALPINA starting at $151,500 versus the S-Class's $117,750. This price premium buys significant performance: car1 delivers 612 hp and 590 lb-ft of torque, significantly outpacing car2’s 442 hp and 413 lb-ft of torque, representing a 170 hp advantage. Conversely, the S-Class demonstrates superior efficiency, achieving a 24 MPG combined rating compared to the ALPINA's 19 MPG combined. While the S-Class is notably longer at 208.2 inches against the B8’s 200.5 inches, the ALPINA offers slightly more storage capacity with 15.5 cu ft versus the S-Class’s 12.8 cu ft. The choice hinges critically on prioritizing massive power output or established efficiency and a lower initial investment.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz S-Class
The Mercedes-Benz S-Class offers substantially better fuel economy at 24 MPG combined compared to the ALPINA's 19 MPG.
2025 BMW ALPINA B8 Gran Coupe
The ALPINA B8 provides 15.5 cu ft of cargo space, surpassing the S-Class's 12.8 cu ft for practical utility.
2025 BMW ALPINA B8 Gran Coupe
The ALPINA B8 commands an overwhelming performance advantage with 612 horsepower and 590 lb-ft of torque.
2025 Mercedes-Benz S-Class
The S-Class presents a significantly lower MSRP of $117,750 while still offering 442 horsepower.
Choose the BMW ALPINA B8 Gran Coupe if...
- Ultimate acceleration and power are paramount, evidenced by its 612 hp output.
- The required premium for the prestige and specialized engineering of the ALPINA brand is justified.
- Greater cargo capacity (15.5 cu ft) is needed over the S-Class's smaller trunk.
Choose the Mercedes-Benz S-Class if...
- Maximizing fuel economy is a priority, achieving 24 MPG combined versus car1's 19 MPG.
- A purchase price under $120,000 is a strict requirement, saving $33,750 upfront.
- A longer wheelbase providing an overall length of 208.2 inches is preferable for cabin space.
Key Dimensions
| Dimension | BMW ALPINA B8 Gran Coupe | Mercedes-Benz S-Class |
|---|---|---|
| Length | 200.5" | 208.2" |
| Width | 76.1" | 76.9" |
| Height | 56.0" | 59.2" |
| Wheelbase | 119.0" | 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 | ✓ | ✓ |
| 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 Multi-Adjustable 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 | — | ✓ |
| Front Cross Traffic Alert | — | ✓ |
| Rear Cross Traffic Alert | — | ✓ |
| Dual Rear Side-Mounted Airbags | — | ✓ |
| Cornering Lights | — | ✓ |
| Front Power Adjustable Headrests | — | ✓ |
| Rear Multi-Adjustable Headrests | — | ✓ |
Engine
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 4.4 L | 3.0 L |
| Number of Cylinders | V8 | inline 6 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 612 hp @ 5500 rpm | 442 hp |
| Torque | 590 lb-ft @ 2000 rpm | 413 lb-ft |
| 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 | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Drivetrain Type | all wheel drive | all wheel drive |
| [object Object] | ✓ | — |
| [object Object] | ✓ | — |
| Center Differential Type | — | Limited Slip |
Fuel
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 17/24 MPG | 21/31 MPG |
| EPA Fuel Economy (Combined) | 19 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 306.0/432.0 mi. | 420.0/620.0 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 | ✓ | ✓ |
| 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 | — | ✓ |
| Automatic Parking Assist | — | ✓ |
| Adaptive Cruise Control | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Wood Trim on Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
| Sun Sensor | — | ✓ |
In Car Entertainment
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 10.3 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 |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
| Auxiliary Audio Input | — | ✓ |
| Memory Card Slot | — | ✓ |
| Speed Sensitive Volume Control | — | ✓ |
Power Feature
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass Extended | 1st Row Power Glass Extended |
| Keyless Entry | ✓ | ✓ |
| Reverse Tilt Passenger Mirror | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| Front Head Room | 39.1 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: Bucket | ✓ | ✓ |
| 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 | 3 |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Driver Seat Ventilation | ✓ | ✓ |
| Passenger Seat Ventilation | ✓ | ✓ |
| Seat Material: Leather | — | ✓ |
| Driver Seat Power Adjustments | — | 12-way |
| Passenger Seat Power Adjustments | — | 12-way |
| Seat Massage Function | — | ✓ |
Rearseats
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 37.0 in. | 39.4 in. |
| Rear Leg Room | 36.6 in. | 43.8 in. |
| Rear Shoulder Room | 54.6 in. | 59.0 in. |
| Split-Folding Rear Seatback | ✓ | — |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Heated Rear Seats (Multi-Level) | ✓ | — |
| Folding Center Armrest | — | ✓ |
Tires and Wheels
| Feature | BMW | Mercedes-Benz |
|---|---|---|
| Wheel Material | Alloy | Alloy |
| Wheel Size | 21 x 10.0 in. | 19 x 8.5 in |
| Tire Type | Performance | — |
| Tire Size | 285/30R | 255/45R19 |
| Run Flat Tires | — | ✓ |
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 ALPINA B8 Gran Coupe and 2025 Mercedes-Benz S-Class.
What is the exact horsepower deficit between the two sedans?
The 2025 BMW ALPINA B8 Gran Coupe produces 612 hp, whereas the 2025 Mercedes-Benz S-Class generates 442 hp, resulting in a performance gap of 170 horsepower in favor of the ALPINA.
How does the annual fuel cost likely compare based on MPG ratings?
Given that both require premium unleaded fuel, the S-Class's 24 MPG combined rating suggests lower annual running costs compared to the ALPINA B8’s 19 MPG combined rating.
Which vehicle is physically larger based on external dimensions?
The Mercedes-Benz S-Class is the physically larger vehicle, measuring 208.2 inches long, 76.9 inches wide, and 59.2 inches high, compared to the ALPINA B8's dimensions.
Is the ALPINA B8 a significantly tighter package for cargo utilization?
Yes, the ALPINA B8 offers 15.5 cubic feet of cargo capacity, exceeding the S-Class's 12.8 cubic feet, which may be important for carrying luggage.
Does the difference in MSRP justify the performance increase?
The ALPINA B8 commands a $33,750 premium over the S-Class, which translates directly into 170 additional horsepower and 177 more lb-ft of torque (590 vs 413).
Are there differences in the driving mechanics, such as transmission?
The two models utilize different standard transmissions; the ALPINA B8 uses an 8-speed shiftable automatic, while the S-Class is equipped with a 9-speed shiftable automatic.
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