2025 Audi S7 vs 2025 BMW M8 Gran Coupe

$85,700 · Sedan

$140,000 · Sedan

Comparison Overview

Deciding between serious performance and sensible luxury often boils down to budget versus brute force. If you are eyeing a high-performance four-door, the primary question is whether the $54,300 price jump for the BMW M8 Gran Coupe is justified over the already potent Audi S7. The S7 enters with a reasonable MSRP of $85,700 and delivers a solid 444 horsepower, achieving a respectable 22 MPG combined. Conversely, the M8 Gran Coupe demands $140,000 and unleashes a massive 617 horsepower. This power difference is substantial, but it costs the BMW 5 MPG combined efficiency, netting only 17 MPG. Furthermore, the S7 offers nearly 10 cubic feet more usable space with a cargo capacity of 24.6 cu ft versus the M8's 15.5 cu ft, making the Audi a more practical daily driver while still providing impressive, near-supercar levels of performance.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi S7

The Audi S7 wins for commuters due to its significantly better combined fuel economy of 22 MPG compared to the M8's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Audi S7

The S7 is the better family choice because its 24.6 cu ft cargo capacity comfortably surpasses the M8's smaller 15.5 cu ft area.

🏎️ Best for Enthusiasts

2025 BMW M8 Gran Coupe

The BMW M8 Gran Coupe is the winner here, offering substantially more power with 617 horsepower and 553 lb-ft of torque.

💰 Best Value

2025 Audi S7

The Audi S7 represents superior value, costing $54,300 less while still offering strong performance credentials.

Choose the Audi S7 if...

You need better daily running costs, benefiting from the 22 MPG combined fuel economy.
You prioritize practicality, needing the larger 24.6 cu ft of cargo space.
You want incredible speed without crossing the $100,000 threshold, sticking to the $85,700 MSRP.

Choose the BMW M8 Gran Coupe if...

You demand maximum output and want the sheer performance edge delivered by 617 horsepower.
You require the slightly larger footprint provided by the 200.9-inch length.
Budget is secondary to having the absolute highest power figures available in this segment, even if it means 15 MPG in the city.

Key Dimensions

Dimension	Audi S7	BMW M8 Gran Coupe
Length	196.0"	200.9"
Width	75.1"	76.5"
Height	55.8"	55.9"
Wheelbase	115.3"	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 Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Headlight Washers	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Integrated Headrests	✓	—
Rear Headrests	3	2
Rear Fixed Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Self-Leveling Headlights	—	✓
Front Fixed Headrests	—	✓
Rear Integrated Headrests	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	2.9 L	4.4 L
Number of Cylinders	V6	V8
Base Engine Type	mild hybrid	gas
Horsepower	444 hp @ 5900 rpm	617 hp @ 6000 rpm
Torque	442 lb-ft @ 2700 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 (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	19/27 MPG	15/22 MPG
EPA Fuel Economy (Combined)	22 MPG	17 MPG
EPA Driving Range (City/Highway)	366.7/521.1 mi.	301.5/442.2 mi.
Fuel Tank Capacity	19.3 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	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	—
Rear Parking Sensors	✓	—
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	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cruise Control on Steering Wheel	—	✓
Wireless Charging Pad	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	12.3 in
AM/FM Stereo	✓	✓
Stereo Power	180W	464W
Speaker System	10	16
Subwoofer Count	1	—
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
Surround Audio	—	Discrete
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	37.0 in.	40.6 in.
Front Leg Room	41.3 in.	42.1 in.
Front Shoulder Room	57.2 in.	57.2 in.
Seat Material: Leather	✓	—
Front Seat Type: Sport	✓	✓
Driver Seat Power Adjustments	8-way	12-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	8-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
Seat Material: Premium Leather	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	Audi	BMW
Rear Head Room	37.1 in.	37.1 in.
Rear Leg Room	37.0 in.	36.6 in.
Rear Shoulder Room	55.9 in.	54.6 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓

Tires and Wheels

Feature	Audi	BMW
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	21 in	20 x 10.5 in.
Tire Type	Performance	Performance
Tire Size	255/35R21	285/35R Y
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 S7 and 2025 BMW M8 Gran Coupe.

How big is the performance gap between the 2025 Audi S7 and the M8 Gran Coupe?

The gap is substantial; the M8 Gran Coupe produces 617 horsepower and 553 lb-ft of torque, whereas the S7 offers 444 horsepower and 442 lb-ft of torque. This 173 hp advantage means the M8 will feel significantly quicker in straight-line acceleration.

Is the massive price difference worth it for the M8 Gran Coupe?

Objectively, the $140,000 M8 costs $54,300 more than the $85,700 S7. If your priority is absolute performance above all else, maybe, but for most buyers, the efficiency and cost savings of the S7 are hard to ignore.

Which sedan is more practical for road trips?

The Audi S7 is notably more practical, offering 24.6 cu ft of cargo room compared to the M8 Gran Coupe's 15.5 cu ft. This nearly 10 cubic foot advantage in the S7 makes packing for a family easier.

How does the required fuel type affect running costs?

Both vehicles require premium unleaded fuel, but the S7’s 22 MPG combined rating means you will be visiting the pump less often than the M8, which only achieves 17 MPG combined.

Are the dimensions very different for parking purposes?

The M8 Gran Coupe is slightly larger overall, measuring 200.9 inches long versus the S7's 196.0 inches, and it is also slightly wider. However, both are large vehicles, so parking ease will be similar and likely challenging in tight urban spots.