2025 Audi S8 vs 2025 BMW ALPINA B8 Gran Coupe

$125,300 · Sedan

$151,500 · Sedan

Comparison Overview

The 2025 Audi S8 bursts onto the scene as the stealthy high-performance flagship, generating 563 horsepower and 590 lb-ft of torque in a stately package boasting 12.5 cu ft of cargo space. It promises understated speed for the executive on the move. Conversely, the 2025 BMW ALPINA B8 Gran Coupe is pure, tailored extravagance, leveraging 612 horsepower to establish a thrilling dominance, though it carries a significant $151,500 MSRP compared to the S8's $125,300. While both deliver identical 590 lb-ft of torque and share a 24 MPG highway rating, the B8 stretches its advantage with 49 more horsepower and a slightly roomier 15.5 cu ft of trunk space. The S8 maintains a compelling efficiency edge in city driving (15 MPG vs. B8's 17 MPG), creating a genuine battle between assertive German muscle and rarefied, bespoke performance.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi S8

The Audi S8 offers slightly better city fuel economy at 15 MPG versus the B8's 17 MPG, making the initial commute slightly more economical.

👨‍👩‍👧‍👦 Best for Families

2025 BMW ALPINA B8 Gran Coupe

The BMW ALPINA B8 Gran Coupe provides superior practicality with a larger 15.5 cu ft cargo capacity compared to the S8's 12.5 cu ft.

🏎️ Best for Enthusiasts

2025 BMW ALPINA B8 Gran Coupe

The BMW ALPINA B8 Gran Coupe pulls ahead significantly for the driving enthusiast thanks to its substantial 612 horsepower output.

💰 Best Value

2025 Audi S8

The Audi S8 offers compelling performance for $26,200 less than the ALPINA B8, representing vastly better bang for the buck.

Choose the Audi S8 if...

You demand significant performance without paying the top-tier price, saving $26,200 over the competitor.
You prioritize a slightly lower starting MSRP of $125,300.
You prefer the longer physical footprint at 209.5 inches, potentially suggesting more passenger volume.

Choose the BMW ALPINA B8 Gran Coupe if...

Absolute top-end power is your obsession, benefiting from 612 horsepower.
You require the maximum available cargo space, as 15.5 cu ft beats the S8’s 12.5 cu ft.
You seek the exclusivity and unique tuning offered by the ALPINA designation, even at the $151,500 price point.

Key Dimensions

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

Features Comparison

Safety

Feature	Audi	BMW
Lane Departure Warning	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear 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
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	✓	✓
Cornering Lights	✓	—
Headlight Washers	✓	—
Front Fog Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	—
Rear Headrests	3	2
Rear Height Adjustable Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Adaptive Headlights	—	✓
Front Multi-Adjustable Headrests	—	✓
Rear Integrated Headrests	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	4.0 L	4.4 L
Number of Cylinders	V8	V8
Base Engine Type	mild hybrid	gas
Horsepower	563 hp	612 hp @ 5500 rpm
Torque	590 lb-ft	590 lb-ft @ 2000 rpm
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	Audi	BMW
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]	—	✓

Fuel

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

Comfort & Convenience

Feature	Audi	BMW
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	—
Side View Camera	✓	—
Rear View Camera	✓	✓
Front Parking Sensors	✓	—
Rear Parking Sensors	✓	—
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	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cooled Storage Compartment	✓	—
Cruise Control on Steering Wheel	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	10.3 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	—
Stereo Power	730W	464W
Speaker System	17	16
Surround Audio	Discrete	Discrete
Android Auto (Wireless)	✓	—
Apple CarPlay (Wireless)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	12 months
Speed Sensitive Volume Control	✓	—
Premium Speaker Brand	—	Harman/Kardon
Subwoofer Count	—	2
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓

Power Feature

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

Frontseats

Feature	Audi	BMW
Front Head Room	38.3 in.	39.1 in.
Front Leg Room	41.5 in.	42.1 in.
Front Shoulder Room	59.1 in.	57.2 in.
Seat Material: Premium Leather	✓	✓
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	18-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	18-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Ventilation	✓	✓
Passenger Seat Ventilation	✓	✓
Seat Massage Function	✓	—
Front Seat Type: Bucket	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	2

Rearseats

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

Tires and Wheels

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

Suspension

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

Warranty

Feature	Audi	BMW
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.

Frequently Asked Questions

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

What is the primary difference in engine output between the 2025 Audi S8 and the 2025 BMW ALPINA B8 Gran Coupe?

The BMW ALPINA B8 Gran Coupe is significantly more powerful, generating 612 horsepower. In contrast, the Audi S8 delivers a still potent 563 horsepower, resulting in a 49 hp difference favoring the ALPINA.

Does the massive price gap reflect a major difference in fuel efficiency?

Not entirely; both vehicles utilize premium fuel and achieve 24 MPG on the highway. The ALPINA B8 is marginally better in the city at 17 MPG compared to the S8's 15 MPG, but the $26,200 price difference far outweighs these minor efficiency gains.

Which sedan offers better utility for hauling luggage?

The BMW ALPINA B8 Gran Coupe is the more practical choice for luggage, boasting a 15.5 cu ft cargo capacity. The Audi S8 is tighter, offering only 12.5 cu ft of storage behind the rear seats.

How does torque delivery compare between these two all-wheel-drive performance sedans?

Both the 2025 Audi S8 and the 2025 BMW ALPINA B8 Gran Coupe deliver identical maximum torque figures of 590 lb-ft. This suggests a similarly muscular pull right off the line for both powerplants.

Are the physical dimensions of these two large sedans comparable?

They are quite similar in width (76.6 inches vs. 76.1 inches), but the Audi S8 is notably longer at 209.5 inches compared to the B8’s 200.5 inches. The B8 is also lower, measuring 56.0 inches in height versus the S8's 58.5 inches.

If I am budget-conscious, which vehicle provides better performance value?

The Audi S8 is the clear value winner, costing $125,300 versus the ALPINA's $151,500. You gain excellent performance characteristics for substantially less financial outlay with the S8.