2025 BMW ALPINA B8 Gran Coupe vs 2026 Audi S8

$151,500 · Sedan

$130,000 · Sedan

Comparison Overview

The most significant numerical difference between the 2025 BMW ALPINA B8 Gran Coupe (Car 1) and the 2026 Audi S8 (Car 2) is the $21,500 price gap, with the S8 starting at $130,000 versus the B8’s $151,500 MSRP. Performance differences favor the B8, which boasts 612 hp compared to the S8's 563 hp, though both achieve an identical 590 lb-ft of torque. Fuel economy ratings show a slight edge for the B8 at 19 combined MPG versus 18 combined MPG for the S8, although both demand premium unleaded. Dimensionally, the S8 is longer at 209.5 inches compared to the B8's 200.5 inches, while the B8 offers superior utility with 15.5 cu ft of cargo space versus the S8's 12.5 cu ft. This comparison pits greater factory horsepower and cargo capacity (B8) against a substantially lower entry price and slightly larger exterior footprint (S8).

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW ALPINA B8 Gran Coupe

The ALPINA B8 delivers a slightly better EPA-estimated combined fuel economy of 19 MPG compared to the S8's 18 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 BMW ALPINA B8 Gran Coupe

The B8 offers 15.5 cubic feet of cargo capacity, which is 3.0 cubic feet more than the S8's 12.5 cubic feet, providing better utility.

🏎️ Best for Enthusiasts

2025 BMW ALPINA B8 Gran Coupe

The B8 holds a clear advantage in outright power, producing 612 hp versus the S8's 563 hp.

💰 Best Value

2026 Audi S8

The Audi S8 is substantially more affordable with an MSRP of $130,000, offering 590 lb-ft of torque for $21,500 less than the B8.

Choose the BMW ALPINA B8 Gran Coupe if...

You require the maximum available horsepower, as the B8 provides 612 hp.
Cargo capacity is critical, given the B8's 15.5 cu ft versus the S8's 12.5 cu ft.
You prioritize marginal efficiency gains, as the B8 achieves 19 combined MPG vs. 18 MPG.

Choose the Audi S8 if...

Minimizing initial expenditure is key, demonstrated by the S8's $130,000 MSRP.
You prefer a longer wheelbase, as the S8 measures 209.5 inches in length.
You are content with the same 590 lb-ft torque rating for $21,500 less.

Key Dimensions

Dimension	BMW ALPINA B8 Gran Coupe	Audi S8
Length	200.5"	209.5"
Width	76.1"	76.6"
Height	56.0"	58.5"
Wheelbase	119.0"	123.2"

Features Comparison

Safety

Feature	BMW	Audi
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	✓	✓
Dual Rear Side-Mounted Airbags	—	✓
Cornering Lights	—	✓
Headlight Washers	—	✓
Front Fog Lights	—	✓
Front Height Adjustable Headrests	—	✓
Rear Height Adjustable Headrests	—	✓

Engine

Feature	BMW	Audi
Base Engine Displacement	4.4 L	4.0 L
Number of Cylinders	V8	V8
Base Engine Type	gas	mild hybrid
Horsepower	612 hp @ 5500 rpm	563 hp
Torque	590 lb-ft @ 2000 rpm	590 lb-ft
Number of Valves	32	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	—	✓

Drive Train

Feature	BMW	Audi
Transmission Type	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
[object Object]	—	✓
[object Object]	—	✓
Hill Descent Control	—	✓

Fuel

Feature	BMW	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	17/24 MPG	15/24 MPG
EPA Fuel Economy (Combined)	19 MPG	18 MPG
EPA Driving Range (City/Highway)	306.0/432.0 mi.	325.5/520.8 mi.
Fuel Tank Capacity	18.0 gal.	21.7 gal.

Comfort & Convenience

Feature	BMW	Audi
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	—	✓
Extended Cabin Heating	—	✓
Cooled Storage Compartment	—	✓

In Car Entertainment

Feature	BMW	Audi
Infotainment Display	10.3 in	10.1 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	730W
Speaker System	16	17
Subwoofer Count	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	3 months
Premium Brand Speakers	—	Bang & Olufsen
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	BMW	Audi
Front Head Room	39.1 in.	38.3 in.
Front Leg Room	42.1 in.	41.5 in.
Front Shoulder Room	57.2 in.	59.1 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	2
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	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	✓	✓
Front Seat Type: Sport	—	✓
Driver Seat Power Adjustments	—	18-way
Passenger Seat Power Adjustments	—	18-way
Seat Massage Function	—	✓

Rearseats

Feature	BMW	Audi
Rear Head Room	37.0 in.	38.5 in.
Rear Leg Room	36.6 in.	44.3 in.
Rear Shoulder Room	54.6 in.	57.6 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	✓	—

Tires and Wheels

Feature	BMW	Audi
Wheel Material	Alloy	Alloy
Wheel Size	21 x 10.0 in.	21 in
Tire Type	Performance	Performance
Tire Size	285/30R	265/35R21
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

Suspension

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

Warranty

Feature	BMW	Audi
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./ unlimited mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	3 yr./ 30000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW ALPINA B8 Gran Coupe and 2026 Audi S8.

What is the primary performance difference between the 2025 ALPINA B8 and the 2026 Audi S8?

The primary measurable performance difference lies in peak horsepower; the B8 produces 612 hp, significantly more than the S8's 563 hp. However, both sedans generate an identical 590 lb-ft of torque, meaning real-world low-end pull may feel similar.

Which sedan offers better practical utility based on the specifications provided?

The 2025 BMW ALPINA B8 Gran Coupe offers superior utility by providing 15.5 cubic feet of cargo space. This is a 3.0 cubic foot advantage over the 2026 Audi S8, which is rated at 12.5 cubic feet.

How do the starting prices and fuel efficiency ratings compare?

The Audi S8 carries a lower MSRP of $130,000, resulting in a $21,500 savings over the B8's $151,500 price. Regarding efficiency, the B8 edges out the S8 by 1 MPG on combined estimates (19 MPG vs. 18 MPG).

Are the dimensions very different between these two large sedans?

Yes, the Audi S8 is physically larger in length and height, measuring 209.5 inches long and 58.5 inches high. Conversely, the ALPINA B8 is slightly shorter (200.5 inches) and lower (56.0 inches).