2025 Audi A8 vs 2025 BMW M8 Gran Coupe

$92,000 · Sedan

$140,000 · Sedan

Comparison Overview

The 2025 Audi A8 embodies sophisticated, effortless luxury, starting at an accessible $92,000 with a solid 335 hp propelling its 209.5-inch frame. It prioritizes refinement, delivering a respectable 22 MPG combined efficiency. Conversely, the 2025 BMW M8 Gran Coupe erupts onto the scene as a precision performance weapon, commanding a premium $140,000 price tag for its blistering 617 hp and 553 lb-ft of torque. This massive 282 horsepower advantage means the M8 sacrifices efficiency, netting only 17 MPG combined. While both utilize AWD and an 8-speed automatic, the A8 leans into comfortable cruising with its larger 12.5 cu ft trunk, whereas the M8 offers slightly less length at 200.9 inches but marginally more usable space at 15.5 cu ft in its performance-tuned chassis. The decision boils down to serene elegance versus track-ready aggression.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi A8

The Audi A8 wins for commuting due to its superior 22 MPG combined fuel economy compared to the M8's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 BMW M8 Gran Coupe

Despite being slightly smaller externally, the BMW M8 Gran Coupe offers a larger 15.5 cu ft of cargo capacity than the Audi A8's 12.5 cu ft.

🏎️ Best for Enthusiasts

2025 BMW M8 Gran Coupe

The BMW M8 Gran Coupe dominates enthusiast appeal with its massive 617 hp and 553 lb-ft of torque output.

💰 Best Value

2025 Audi A8

The Audi A8 provides an excellent blend of luxury and efficiency for $48,000 less than the M8.

Choose the Audi A8 if...

Your budget prioritizes saving $48,000, as the A8 starts at $92,000.
You require better day-to-day running costs, thanks to the A8's 22 MPG combined rating.
You prefer a slightly longer, more traditionally elegant flagship profile at 209.5 inches in length.

Choose the BMW M8 Gran Coupe if...

Uncompromised raw power is paramount, evident in the M8's 617 hp.
You value slightly more usable storage volume, as the M8 offers 15.5 cu ft of cargo space.
You seek the pinnacle of German high-performance sedan dynamics, supported by a 553 lb-ft torque figure.

Key Dimensions

Dimension	Audi A8	BMW M8 Gran Coupe
Length	209.5"	200.9"
Width	76.6"	76.5"
Height	58.3"	55.9"
Wheelbase	123.1"	119.2"

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	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Multi-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 Fixed Headrests	—	✓
Rear Integrated Headrests	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	3.0 L	4.4 L
Number of Cylinders	V6	V8
Base Engine Type	mild hybrid	gas
Horsepower	335 hp @ 6000 rpm	617 hp @ 6000 rpm
Torque	369 lb-ft @ 4500 rpm	553 lb-ft @ 1800 rpm
Number of Valves	24	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Audi	BMW
Transmission Type	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
Center Differential Type	Limited Slip	—
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	Audi	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	20/26 MPG	15/22 MPG
EPA Fuel Economy (Combined)	22 MPG	17 MPG
EPA Driving Range (City/Highway)	434.0/564.2 mi.	301.5/442.2 mi.
Fuel Tank Capacity	21.7 gal.	20.1 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	✓	✓
Cruise Control on Steering Wheel	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	12.3 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
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓
Auxiliary Audio Input	—	✓

Power Feature

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

Frontseats

Feature	Audi	BMW
Front Head Room	38.3 in.	40.6 in.
Front Leg Room	41.5 in.	42.1 in.
Front Shoulder Room	59.1 in.	57.2 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Power Adjustments	18-way	12-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
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: Premium Leather	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓

Rearseats

Feature	Audi	BMW
Rear Head Room	38.5 in.	37.1 in.
Rear Leg Room	44.3 in.	36.6 in.
Rear Shoulder Room	57.6 in.	54.6 in.
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓
Split-Folding Rear Seatback	—	✓

Tires and Wheels

Feature	Audi	BMW
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Diameter	20 in.	—
Tire Type	All Season	Performance
Tire Size	265/40R20	285/35R Y
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Size	—	20 x 10.5 in.

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 A8 and 2025 BMW M8 Gran Coupe.

What is the primary performance difference between the 2025 Audi A8 and the 2025 BMW M8 Gran Coupe?

The key differentiator lies in raw output; the BMW M8 Gran Coupe produces a staggering 617 hp and 553 lb-ft of torque. In contrast, the Audi A8 offers a more relaxed 335 hp, making the M8 significantly quicker off the line.

How does the price disparity affect the overall ownership experience?

The $48,000 difference in MSRP ($92,000 vs. $140,000) means the A8 buyer trades extreme power for significant savings. The A8's lower running cost is also helped by achieving 22 MPG compared to the M8's 17 MPG.

Which car is better suited for long highway cruises in terms of efficiency?

The 2025 Audi A8 is the superior choice for highway efficiency, netting 26 MPG on the highway. The M8, while still capable, only achieves 22 MPG highway, reflecting its focus on high-output performance.

Are both models equipped with all-wheel drive?

Yes, both the 2025 Audi A8 and the 2025 BMW M8 Gran Coupe feature an All-Wheel Drive system, ensuring confident power delivery regardless of the weather conditions.

Does the smaller footprint of the M8 compromise passenger or cargo space?

The M8 is physically shorter at 200.9 inches compared to the A8’s 209.5 inches, but surprisingly, it offers slightly more cargo space at 15.5 cu ft versus the A8's 12.5 cu ft.