2025 BMW M8 vs 2026 Audi A8

$138,800 · Coupe

$95,100 · Sedan

Comparison Overview

The 2025 BMW M8 screams performance with a blistering 617 hp unleashed through its twin-turbo V8, embodying raw coupe excitement while commanding a steep MSRP of $138,800. Conversely, the 2026 Audi A8 presents sophisticated luxury in a larger sedan footprint (209.5 inches long), offering a serene 335 hp experience that balances power with better efficiency, achieving 22 combined MPG. The M8 is significantly more potent, boasting 282 more horsepower than the A8, but this comes at the cost of running expenses, netting only 17 combined MPG. The $43,700 MSRP gap highlights the decision: do you opt for track-ready dominance from the M8’s 53.6-inch height coupe design, or the superior daily usability and efficiency of the A8 sedan?

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi A8

The 2026 Audi A8 is the better commuter due to its superior fuel economy, achieving 22 combined MPG versus the M8's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi A8

As a longer sedan (209.5 inches) compared to the M8 coupe (191.8 inches), the A8 likely offers superior passenger comfort and accessibility.

🏎️ Best for Enthusiasts

2025 BMW M8

The 2025 BMW M8 dominates the enthusiast category with a staggering 617 hp and 553 lb-ft of torque.

💰 Best Value

2026 Audi A8

The 2026 Audi A8 provides luxury and AWD performance while saving buyers $43,700 compared to the M8's entry price.

Choose the BMW M8 if...

You demand uncompromising top-tier performance, leveraging the M8's 617 horsepower.
You prefer the aggressive stance and driving engagement of a dedicated two-door coupe design.
Budget is secondary to securing maximum available power and torque (553 lb-ft) in this comparison.

Choose the Audi A8 if...

Your budget prioritizes saving $43,700 off the initial purchase price.
Superior fuel efficiency (5 MPG better combined) is essential for your driving routine.
You need a more practical, larger sedan body style, evidenced by the A8's 209.5-inch length.

Key Dimensions

Dimension	BMW M8	Audi A8
Length	191.8"	209.5"
Width	74.9"	76.6"
Height	53.6"	58.3"
Wheelbase	111.3"	123.1"

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	✓	✓
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 Fixed Headrests	✓	—
Rear Headrests	2	3
Rear Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Door Child Safety Locks	—	✓
Headlight Delay-Off	—	✓
Cornering Lights	—	✓
Front Fog Lights	—	✓
Front Multi-Adjustable Headrests	—	✓
Rear Height Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

Feature	BMW	Audi
Base Engine Displacement	4.4 L	3.0 L
Number of Cylinders	V8	V6
Base Engine Type	gas	mild hybrid
Horsepower	617 hp @ 6000 rpm	335 hp
Torque	553 lb-ft @ 1800 rpm	369 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	Audi
Transmission Type	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Center Differential Type	—	Limited Slip
Hill Descent Control	—	✓

Fuel

Feature	BMW	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	15/22 MPG	19/27 MPG
EPA Fuel Economy (Combined)	17 MPG	22 MPG
EPA Driving Range (City/Highway)	301.5/442.2 mi.	412.3/585.9 mi.
Fuel Tank Capacity	20.1 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	✓	✓
Front Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	✓
Dual Zone Climate 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	—	✓
Rear Cupholders	—	✓
Rear Door Pockets	—	✓
Four Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓
Extended Cabin Heating	—	✓

In Car Entertainment

Feature	BMW	Audi
Infotainment Display	12.3 in	10.1 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	730W
Speaker System	16	17
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
Auxiliary Audio Input	✓	—
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	2	4
Keyless Entry	✓	✓
Reverse Tilt Passenger Mirror	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass

Frontseats

Feature	BMW	Audi
Front Head Room	38.9 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: Sport	✓	—
Driver Seat Power Adjustments	12-way	18-way
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	2
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Ventilation	✓	✓
Passenger Seat Ventilation	✓	✓
Seat Material: Leather	—	✓
Front Seat Type: Bucket	—	✓
Passenger Seat Power Adjustments	—	18-way

Rearseats

Feature	BMW	Audi
Rear Head Room	33.6 in.	38.5 in.
Rear Leg Room	29.5 in.	44.3 in.
Rear Shoulder Room	46.9 in.	57.6 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	—	✓
Pass-Thru Center Armrest	—	✓

Tires and Wheels

Feature	BMW	Audi
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	20 x 10.5 in.	—
Tire Type	Performance	All Season
Tire Size	285/35R20	265/40R20
Wheel Diameter	—	20 in.
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 M8 and 2026 Audi A8.

What is the primary difference in engine power between the 2025 BMW M8 and the 2026 Audi A8?

The BMW M8 is significantly more powerful, offering 617 hp compared to the Audi A8's 335 hp, resulting in a massive 282 hp difference favoring the M8.

How does fuel economy compare for daily driving?

The A8 offers notably better efficiency, rated at 22 combined MPG (19 city/27 highway), while the M8 returns only 17 combined MPG (15 city/22 highway), making the A8 cheaper to run.