2025 Bentley Flying Spur vs 2025 BMW M8

$272,300 · Sedan

$138,800 · Coupe

Comparison Overview

The 2025 Bentley Flying Spur embodies opulent, silent velocity, boasting a staggering 771 hp and 738 lb-ft of torque for effortless dominance, though its $272,300 price tag demands serious consideration. In contrast, the 2025 BMW M8 offers a focused, exhilarating coupe experience, packing 617 hp and 553 lb-ft of torque into a significantly more agile package starting at $138,800. The Bentley, being nearly 17.5 inches longer at 209.3 inches, prioritizes rear-cabin grandeur while offering a 30-mile electric range thanks to its plug-in hybrid nature, a feature the M8 lacks. While the Bentley’s 19 MPG combined is slightly better than the M8's 17 MPG combined, the sheer difference in exclusivity and raw, silent performance capability separates these two titans, highlighting a $133,500 gulf in initial investment for supreme luxury versus pure driving focus.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Bentley Flying Spur

The Flying Spur's available 30 miles of electric range makes short daily urban commutes supremely quiet and potentially more efficient than the M8.

👨‍👩‍👧‍👦 Best for Families

2025 Bentley Flying Spur

As a full-size sedan measuring 209.3 inches long, the Flying Spur offers far superior rear passenger comfort and space compared to the M8 coupe.

🏎️ Best for Enthusiasts

2025 BMW M8

While down on power, the M8's smaller footprint (191.8 inches long) and focus on coupe dynamics suggest a more engaging, lighter-feeling drive for true driving purists.

💰 Best Value

2025 BMW M8

The M8 delivers 617 hp for a fraction of the Bentley's $272,300 MSRP, offering superior performance per dollar.

Choose the Bentley Flying Spur if...

You require limousine-level rear passenger comfort, supported by its larger sedan dimensions.
You demand the absolute peak of V8 performance with 771 hp available.
You appreciate the flexibility of a plug-in hybrid system providing 30 miles of pure electric driving.

Choose the BMW M8 if...

Your budget prioritizes performance value, as the $138,800 M8 significantly undercuts the Bentley.
You prefer the classic, agile proportions of a two-door coupe over a four-door sedan.
You desire near-supercar power (617 hp) without the substantial running costs of Bentley ownership.

Key Dimensions

Dimension	Bentley Flying Spur	BMW M8
Length	209.3"	191.8"
Width	78.3"	74.9"
Height	58.0"	53.6"
Wheelbase	125.8"	111.3"

Features Comparison

Safety

Feature	Bentley	BMW
Blind Spot Monitor	✓	—
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	—
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	✓	✓
Self-Leveling Headlights	✓	✓
Daytime Running Lights	✓	✓
Headlight Washers	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	3	2
Rear Power Adjustable Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Front Fixed Headrests	—	✓
Rear Integrated Headrests	—	✓

Engine

Feature	Bentley	BMW
Base Engine Displacement	4.0 L	4.4 L
Number of Cylinders	V8	V8
Base Engine Type	plug-in hybrid	gas
Horsepower	771 hp	617 hp @ 6000 rpm
Torque	738 lb-ft	553 lb-ft @ 1800 rpm
Number of Valves	32	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

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

Fuel

Feature	Bentley	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	17/22 MPG	15/22 MPG
EPA Fuel Economy (Combined)	19 MPG	17 MPG
EPA Driving Range (City/Highway)	357.0/462.0 mi.	301.5/442.2 mi.
EPA Efficiency (City/Highway MPGe)	49/57 MPGe	—
EPA Efficiency (Combined MPGe)	46 MPGe	—
EPA Electric Driving Range	30 mi.	—
EPA Energy Consumption (kWh/100 mi)	64	—
Charging Time (240V)	3.0 hr.	—
Fuel Tank Capacity	21.0 gal.	20.1 gal.
DC Fast Charging Port Type	SAE J1772	—

Comfort & Convenience

Feature	Bentley	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	✓	—
Automatic Parking Assist	✓	—
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	—
Front Door Pockets	✓	✓
Rear Door Pockets	✓	—
Front Seatback Storage	✓	✓
Steering Wheel Material	Leather and Simulated Suede	—
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	✓	✓
Cruise Control on Steering Wheel	—	✓
Cruise Control	—	✓
Leather Steering Wheel	—	✓
Dual Zone Climate Control	—	✓

In Car Entertainment

Feature	Bentley	BMW
Infotainment Display	12.3 in	12.3 in
AM/FM Stereo	✓	✓
Stereo Power	650W	464W
Speaker System	10	16
Apple CarPlay (Wired)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Memory Card Slot	✓	—
Satellite Radio	✓	✓
Premium Speaker Brand	—	Harman/Kardon
Surround Audio	—	Discrete
Android Auto (Wired)	—	✓
Auxiliary Audio Input	—	✓
Satellite Radio Trial Period	—	12 months

Power Feature

Feature	Bentley	BMW
One-Touch Power Windows	4	2
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Reverse Tilt Passenger Mirror	—	✓

Frontseats

Feature	Bentley	BMW
Front Head Room	39.2 in.	38.9 in.
Front Leg Room	45.2 in.	42.1 in.
Seat Material: Premium Leather/Sueded Microfiber	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	2
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
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 Massage Function	✓	—
Front Shoulder Room	—	57.2 in.
Seat Material: Premium Leather	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Power Adjustments	—	12-way
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓

Rearseats

Feature	Bentley	BMW
Rear Head Room	38.7 in.	33.6 in.
Rear Leg Room	42.3 in.	29.5 in.
Reclining Rear Seats	✓	—
Folding Center Armrest	✓	—
Heated Rear Seats (Multi-Level)	✓	—
Rear Seat Ventilation	✓	—
Rear Shoulder Room	—	46.9 in.
Split-Folding Rear Seatback	—	✓

Tires and Wheels

Feature	Bentley	BMW
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Diameter	22 in	—
Tire Size	N/A	285/35R20
Wheel Size	—	20 x 10.5 in.
Tire Type	—	Performance

Suspension

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

Warranty

Feature	Bentley	BMW
Basic Warranty	3 yr./ unlimited mi.	4 yr./ 50000 mi.
Drivetrain Warranty	3 yr./ unlimited mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	3 yr./ unlimited mi.	—
Corrosion/Rust Warranty	3 yr./ unlimited mi.	12 yr./ unlimited mi.
Roadside Assistance	3 yr./ unlimited mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Bentley Flying Spur and 2025 BMW M8.

How much more powerful is the Bentley Flying Spur than the BMW M8?

The 2025 Bentley Flying Spur generates 771 hp, which is a significant 154 horsepower advantage over the BMW M8's 617 hp. This power gap means the Bentley offers substantially greater surge when applying the accelerator.

Does the Bentley Flying Spur offer better fuel economy than the M8?

Yes, the Bentley achieves a slightly better 19 MPG combined versus the M8's 17 MPG combined, primarily due to its plug-in hybrid capability which allows for zero-emission electric running.

What is the main physical difference impacting interior space?

The Flying Spur is substantially longer at 209.3 inches compared to the M8's 191.8 inches, directly translating to a larger, more luxurious rear cabin experience in the Bentley sedan.

Can the BMW M8 run on electricity like the Bentley?

No, the 2025 BMW M8 is strictly a gasoline vehicle using premium unleaded fuel, whereas the Bentley Flying Spur variant reviewed here incorporates a battery system offering 30 miles of electric range.

Which vehicle is significantly more expensive to purchase initially?

The Bentley Flying Spur commands a $272,300 MSRP, creating a massive $133,500 price difference compared to the BMW M8 starting at $138,800.

How does the transmission technology differ between these two AWD performance cars?

The Bentley utilizes a more direct 8-speed automated manual transmission, contrasted with the BMW M8’s conventional 8-speed shiftable automatic for managing their respective power outputs.