2025 BMW 8 Series Gran Coupe vs 2025 Porsche Panamera

$91,700 · Sedan

$102,800 · Sedan

Comparison Overview

Deciding between the 2025 BMW 8 Series Gran Coupe and the 2025 Porsche Panamera often boils down to balancing German luxury against outright cost. If saving about $11,100 upfront is a priority, the BMW starts at a competitive $91,700 compared to the Panamera's $102,800. While the performance is close—the Porsche nudges ahead with 348 hp versus the BMW's 335 hp—the difference in efficiency is notable for daily driving. The 8 Series achieves 24 combined MPG, edging out the Panamera's 21 combined MPG, meaning fewer trips to the premium fuel pump. Furthermore, the BMW is slightly longer at 200.3 inches, yet the Panamera offers a practical edge with 17.4 cu ft of cargo capacity compared to the BMW's 15.5 cu ft. It's a tight race between accessible performance and marginal practicality gains.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW 8 Series Gran Coupe

The BMW 8 Series Gran Coupe wins for commuters due to its better fuel economy, offering 24 combined MPG versus the Panamera's 21 combined MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Porsche Panamera

The Panamera is better for families as it provides superior luggage space with 17.4 cu ft of cargo capacity compared to the BMW's 15.5 cu ft.

🏎️ Best for Enthusiasts

2025 Porsche Panamera

Enthusiasts will lean toward the Panamera because it offers a slight edge in power with 348 hp compared to the 8 Series' 335 hp.

💰 Best Value

2025 BMW 8 Series Gran Coupe

The BMW 8 Series Gran Coupe offers better overall value, boasting an MSRP that is $11,100 lower than its direct competitor.

Choose the BMW 8 Series Gran Coupe if...

You are looking to save $11,100 upfront, as the MSRP starts at $91,700.
You prioritize slightly better running costs with a 24 combined MPG rating.
You prefer the familiar handling feel of a rear wheel drive model paired with an 8-speed shiftable automatic transmission.

Choose the Porsche Panamera if...

You need the maximum amount of usable trunk space, offering 17.4 cu ft.
You want the marginally higher engine output of 348 horsepower.
You prefer the precise feel of an 8-speed automated manual transmission.

Key Dimensions

Dimension	BMW 8 Series Gran Coupe	Porsche Panamera
Length	200.3"	198.9"
Width	76.1"	76.3"
Height	55.4"	56.0"
Wheelbase	119.0"	116.1"

Features Comparison

Safety

Feature	BMW	Porsche
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	✓	✓
Rear Door Child Safety Locks	✓	✓
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 Multi-Adjustable Headrests	✓	—
Rear Headrests	2	2
Rear Integrated Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Keeping Assist System	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Headlight Delay-Off	—	✓
Front Integrated Headrests	—	✓

Engine

Feature	BMW	Porsche
Base Engine Displacement	3.0 L	2.9 L
Number of Cylinders	inline 6	V6
Base Engine Type	gas	gas
Horsepower	335 hp @ 5000 rpm	348 hp @ 5400 rpm
Torque	369 lb-ft @ 1600 rpm	368 lb-ft @ 1900 rpm
Number of Valves	24	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	BMW	Porsche
Transmission Type	8-speed shiftable automatic	8-speed automated manual
Drivetrain Type	rear wheel drive	rear wheel drive
Rear Differential Type	Limited Slip	—

Fuel

Feature	BMW	Porsche
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	21/29 MPG	18/25 MPG
EPA Fuel Economy (Combined)	24 MPG	21 MPG
EPA Driving Range (City/Highway)	378.0/522.0 mi.	426.6/592.5 mi.
Fuel Tank Capacity	18.0 gal.	23.7 gal.

Comfort & Convenience

Feature	BMW	Porsche
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	✓	✓
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/Cooling	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Tilt and Telescopic Steering Wheel	—	✓
Front Parking Sensors	—	✓
Rear Parking Sensors	—	✓
Adaptive Cruise Control	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓

In Car Entertainment

Feature	BMW	Porsche
Infotainment Display	12.3 in	—
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	150W
Speaker System	16	10
Surround Audio	Discrete	—
Android Auto (Wired)	✓	✓
Apple CarPlay (Wired)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	3 months
Speed Sensitive Volume Control	✓	—
Auxiliary Audio Input	—	✓

Power Feature

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

Frontseats

Feature	BMW	Porsche
Front Head Room	39.1 in.	—
Front Leg Room	42.1 in.	—
Front Shoulder Room	57.2 in.	—
Seat Material: Premium Leather	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	10-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	✓
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	10-way	10-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Thigh Extension	✓	✓
Passenger Seat Memory Settings	2	3
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Front Seat Type: Bucket	—	✓

Rearseats

Feature	BMW	Porsche
Rear Head Room	37.0 in.	—
Rear Leg Room	36.6 in.	—
Rear Shoulder Room	54.6 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	BMW	Porsche
Wheel Finish	Painted Alloy	—
Wheel Size	19 x 9.0 in	19 x 10.5 in
Tire Size	275/35R19	295/40R19
Run Flat Tires	✓	—
Wheel Material	—	Alloy
Tire Type	—	Performance

Suspension

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

Warranty

Feature	BMW	Porsche
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./ 50000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 BMW 8 Series Gran Coupe and 2025 Porsche Panamera.

Is the higher price of the Porsche Panamera justified by its performance advantage?

The Panamera has a slight edge with 348 hp versus the BMW's 335 hp, but this small power gain comes at a cost of $11,100 more on the MSRP. For most drivers, the performance difference felt on public roads will be negligible compared to the price gap.

How big is the difference in fuel economy between these two luxury sedans?

The BMW 8 Series Gran Coupe is more fuel-sipping, achieving 24 combined MPG (21 city/29 highway). The Panamera trails slightly at 21 combined MPG (18 city/25 highway), which translates to more frequent premium fuel stops for the Porsche.

Which vehicle is physically larger, and does it impact cargo space?

The BMW 8 Series is slightly longer at 200.3 inches compared to the Panamera's 198.9 inches. However, the Panamera wins on utility, offering 17.4 cu ft of cargo space compared to the BMW's 15.5 cu ft.

Are there any differences in required maintenance or fuel type?

Both vehicles recommend or require premium unleaded fuel. While the mechanical needs are similar, the 8 Series notes premium as 'recommended,' whereas the Panamera specifies it as 'required' for its powertrain.

How do the transmissions compare in feel?

The BMW utilizes a traditional 8-speed shiftable automatic, which is generally known for smooth, everyday driving. The Porsche opts for an 8-speed automated manual, which typically offers faster, sharper shifts favored by performance enthusiasts.

Is the smaller footprint of the Panamera noticeable in parking or city maneuvering?

The Panamera is slightly narrower (76.3 inches vs. 76.1 inches) and shorter overall, but the difference is minimal. Both are large vehicles, so expecting easy maneuvering might be optimistic, though the Panamera's slightly shorter length might offer a tiny advantage.