2025 BMW ALPINA B8 Gran Coupe vs 2025 Porsche 911
Comparison Overview
The most significant numerical discrepancy between the 2025 BMW ALPINA B8 Gran Coupe (car1) and the 2025 Porsche 911 (car2) is the 224 horsepower advantage held by the ALPINA, boasting 612 hp against the Porsche's 388 hp. This power disparity is reflected in the $31,400 MSRP difference, with the ALPINA priced at $151,500 versus the 911's $120,100. In practicality metrics, the ALPINA offers a far superior 15.5 cu ft of cargo capacity compared to the 911's restrictive 4.8 cu ft, alongside a substantial 22.7 inches greater length (200.5 inches vs 178.8 inches). Fuel efficiency is marginally better in the 911, achieving 21 combined MPG versus the ALPINA's 19 combined MPG, both requiring premium fuel. The ALPINA’s standard AWD system also differentiates it from the 911's RWD configuration.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 BMW ALPINA B8 Gran Coupe
The ALPINA B8 provides better inherent daily usability due to its sedan body style and significantly larger 15.5 cu ft cargo capacity compared to the 911's 4.8 cu ft.
2025 BMW ALPINA B8 Gran Coupe
With four doors, greater length at 200.5 inches, and usable storage, the B8 is the only viable option for carrying multiple passengers regularly.
2025 BMW ALPINA B8 Gran Coupe
While the 911 is agile, the ALPINA offers substantially higher peak output with 612 hp and 590 lb-ft of torque, providing a superior straight-line performance metric.
2025 Porsche 911
The Porsche 911 offers significantly lower entry cost at $120,100 and better fuel economy at 21 combined MPG for users prioritizing immediate budgetary concerns.
Choose the BMW ALPINA B8 Gran Coupe if...
- Maximum outright power (612 hp) is the primary purchasing criterion.
- Practicality requires a sedan format with 15.5 cu ft of cargo space.
- All-wheel drive security and a traditional automatic transmission are preferred over RWD and an automated manual.
Choose the Porsche 911 if...
- A purchase price below $125,000 is necessary, given the $120,100 MSRP.
- Slightly superior fuel economy, achieving 21 combined MPG, is important for daily driving.
- A more compact footprint, with a length of 178.8 inches, is desired for maneuvering.
Key Dimensions
| Dimension | BMW ALPINA B8 Gran Coupe | Porsche 911 |
|---|---|---|
| Length | 200.5" | 178.8" |
| Width | 76.1" | 72.9" |
| Height | 56.0" | 51.2" |
| Wheelbase | 119.0" | 96.5" |
Features Comparison
Safety
| Feature | BMW | Porsche |
|---|---|---|
| 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 | — |
| Rear Integrated Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Lane Keeping Assist System | — | ✓ |
| Front Integrated Headrests | — | ✓ |
Engine
| Feature | BMW | Porsche |
|---|---|---|
| Base Engine Displacement | 4.4 L | 3.0 L |
| Number of Cylinders | V8 | flat 6 |
| Base Engine Type | gas | gas |
| Horsepower | 612 hp @ 5500 rpm | 388 hp @ 6500 rpm |
| Torque | 590 lb-ft @ 2000 rpm | 332 lb-ft @ 2000 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 | Porsche |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed automated manual |
| Drivetrain Type | all wheel drive | rear wheel drive |
| [object Object] | ✓ | — |
| [object Object] | ✓ | — |
| Rear Differential Type | — | Limited Slip |
Fuel
| Feature | BMW | Porsche |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 17/24 MPG | 18/25 MPG |
| EPA Fuel Economy (Combined) | 19 MPG | 21 MPG |
| EPA Driving Range (City/Highway) | 306.0/432.0 mi. | 298.8/415.0 mi. |
| Fuel Tank Capacity | 18.0 gal. | 16.6 gal. |
Comfort & Convenience
| Feature | BMW | Porsche |
|---|---|---|
| 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 | ✓ | — |
| Tilt and Telescopic Steering Wheel | — | ✓ |
| Front Parking Sensors | — | ✓ |
| Rear Parking Sensors | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Extended Cabin Heating | — | ✓ |
In Car Entertainment
| Feature | BMW | Porsche |
|---|---|---|
| Infotainment Display | 10.3 in | — |
| AM/FM Stereo | ✓ | ✓ |
| Premium Speaker Brand | Harman/Kardon | — |
| Stereo Power | 464W | 150W |
| Speaker System | 16 | 8 |
| Subwoofer Count | 2 | — |
| Surround Audio | Discrete | — |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 12 months | 3 months |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
Power Feature
| Feature | BMW | Porsche |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Keyless Entry | ✓ | ✓ |
| Reverse Tilt Passenger Mirror | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | BMW | Porsche |
|---|---|---|
| Front Head Room | 39.1 in. | — |
| Front Leg Room | 42.1 in. | — |
| Front Shoulder Room | 57.2 in. | — |
| Seat Material: Premium Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | — |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | — |
| Driver Seat Thigh Extension | ✓ | — |
| Driver Seat Memory Settings | 2 | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Passenger Seat Thigh Extension | ✓ | — |
| Passenger Seat Memory Settings | 2 | — |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Driver Seat Ventilation | ✓ | — |
| Passenger Seat Ventilation | ✓ | — |
| Seat Material: Leatherette | — | ✓ |
| Front Seat Type: Sport | — | ✓ |
| Driver Seat Power Adjustments | — | 6-way |
| Driver Seat Manual Adjustments | — | 2-way |
| Passenger Seat Power Adjustments | — | 6-way |
| Passenger Seat Manual Adjustments | — | 2-way |
Rearseats
| Feature | BMW | Porsche |
|---|---|---|
| Rear Head Room | 37.0 in. | — |
| Rear Leg Room | 36.6 in. | — |
| Rear Shoulder Room | 54.6 in. | — |
| Split-Folding Rear Seatback | ✓ | — |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
| Heated Rear Seats (Multi-Level) | ✓ | — |
Tires and Wheels
| Feature | BMW | Porsche |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Size | 21 x 10.0 in. | 20 x 11.5 in. |
| Tire Type | Performance | Performance |
| Tire Size | 285/30R | 295/35R20 |
| Wheel Finish | — | Painted Alloy |
Suspension
| Feature | BMW | Porsche |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | BMW | Porsche |
|---|---|---|
| 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. | 12 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Complimentary Scheduled Maintenance | 3 yr./ 36000 mi. | — |
Frequently Asked Questions
Common questions about comparing the 2025 BMW ALPINA B8 Gran Coupe and 2025 Porsche 911.
What is the direct performance gap between the two vehicles based on published torque figures?
The 2025 BMW ALPINA B8 Gran Coupe generates 590 lb-ft of torque, creating a 258 lb-ft advantage over the 2025 Porsche 911, which produces 332 lb-ft.
How does the cargo utility compare between the sedan and the coupe?
The ALPINA B8 offers 15.5 cubic feet of cargo capacity, which is more than three times the 4.8 cubic feet available in the Porsche 911, making the B8 significantly more practical for luggage.
Are both vehicles mandated to use the same fuel type?
Yes, both the ALPINA B8 and the Porsche 911 specify premium unleaded as their required fuel type for optimal operation of their high-output engines.
Which vehicle utilizes a standard all-wheel-drive system?
The BMW ALPINA B8 comes equipped with an all-wheel drive (AWD) system, whereas the Porsche 911 specified here utilizes a rear-wheel drive (RWD) configuration.
What is the total MSRP difference buyers must account for?
There is a $31,400 difference in Manufacturer's Suggested Retail Price (MSRP), with the ALPINA B8 starting at $151,500 and the Porsche 911 starting at $120,100.
How do the overall vehicle dimensions stack up?
The ALPINA B8 is substantially larger, measuring 200.5 inches long and 76.1 inches wide, contrasting with the 911's 178.8-inch length and 72.9-inch width.
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