2025 Porsche 911 vs 2026 Audi S8

$120,100 · Coupe

$130,000 · Sedan

Comparison Overview

The divergence between the 2025 Porsche 911 (Car 1) and the 2026 Audi S8 (Car 2) centers significantly on performance stratification, highlighted by a substantial 175 horsepower gap, with the S8 generating 563 hp versus the 911's 388 hp. Furthermore, the S8 offers 590 lb-ft of torque, dwarfing the 911's 332 lb-ft, indicating a distinct focus on brute force. Financially, the S8 commands a $130,000 MSRP, $9,900 more than the 911's $120,100 entry. Practicality heavily favors the larger Sedan, as the S8 provides 12.5 cu ft of cargo space compared to the Coupe's meager 4.8 cu ft. Conversely, the 911 maintains a slight edge in fuel economy, achieving 21 combined MPG versus the S8's 18 combined MPG, utilizing premium unleaded fuel in both cases. The 911’s shorter 178.8-inch length emphasizes agility over the S8's extensive 209.5-inch footprint.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Porsche 911

The Porsche 911 is the better commuter due to its superior combined MPG rating of 21 versus the Audi S8's 18 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi S8

The 2026 Audi S8 offers 12.5 cu ft of cargo capacity, which is significantly more practical for family use than the 911's 4.8 cu ft.

🏎️ Best for Enthusiasts

2026 Audi S8

The Audi S8 appeals more to raw performance enthusiasts with its commanding 563 hp and 590 lb-ft of torque advantage over the 911.

💰 Best Value

2025 Porsche 911

The Porsche 911 provides substantially more efficient operation (21 MPG vs 18 MPG) for $9,900 less MSRP.

Choose the Porsche 911 if...

You prioritize fuel efficiency, as the 911 achieves 21 combined MPG versus the S8's 18 MPG.
Your budget is constrained, with the 911 priced $9,900 less than the Audi S8 at $120,100.
You prefer a rear-wheel-drive, smaller footprint vehicle that measures only 178.8 inches in length.

Choose the Audi S8 if...

Maximum straight-line power is critical, given the S8's 563 horsepower and 590 lb-ft of torque.
You require usable space, evidenced by the S8's 12.5 cu ft of cargo capacity.
All-wheel drive security is necessary, compared to the 911's rear-wheel-drive configuration.

Key Dimensions

Dimension	Porsche 911	Audi S8
Length	178.8"	209.5"
Width	72.9"	76.6"
Height	51.2"	58.5"
Wheelbase	96.5"	123.2"

Features Comparison

Safety

Feature	Porsche	Audi
Lane Keeping Assist System	✓	—
Driver Attention Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
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	✓	✓
Daytime Running Lights	✓	✓
Front Headrests	2	2
Front Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Head Airbags	—	✓
Rear Door Child Safety Locks	—	✓
Self-Leveling Headlights	—	✓
Cornering Lights	—	✓
Headlight Washers	—	✓
Front Fog Lights	—	✓
Integrated Turn Signal Mirrors	—	✓
Front Height Adjustable Headrests	—	✓
Rear Headrests	—	3
Rear Height Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

Feature	Porsche	Audi
Base Engine Displacement	3.0 L	4.0 L
Number of Cylinders	flat 6	V8
Base Engine Type	gas	mild hybrid
Horsepower	388 hp @ 6500 rpm	563 hp
Torque	332 lb-ft @ 2000 rpm	590 lb-ft
Number of Valves	24	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	—	✓

Drive Train

Feature	Porsche	Audi
Transmission Type	8-speed automated manual	8-speed shiftable automatic
Drivetrain Type	rear wheel drive	all wheel drive
Rear Differential Type	Limited Slip	—
[object Object]	—	✓
[object Object]	—	✓
Hill Descent Control	—	✓

Fuel

Feature	Porsche	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	18/25 MPG	15/24 MPG
EPA Fuel Economy (Combined)	21 MPG	18 MPG
EPA Driving Range (City/Highway)	298.8/415.0 mi.	325.5/520.8 mi.
Fuel Tank Capacity	16.6 gal.	21.7 gal.

Comfort & Convenience

Feature	Porsche	Audi
Push Button Start	✓	✓
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	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Cruise Control	✓	✓
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Front Door Pockets	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	✓
Dual Zone Climate Control	✓	—
Interior Air Filtration	✓	✓
Extended Cabin Heating	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Front View Camera	—	✓
Side View Camera	—	✓
Rear Cupholders	—	✓
Rear Door Pockets	—	✓
Front Seatback Storage	—	✓
Four Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓
Turn Signal Indicators in Mirrors	—	✓
Cooled Storage Compartment	—	✓

In Car Entertainment

Feature	Porsche	Audi
AM/FM Stereo	✓	✓
Stereo Power	150W	730W
Speaker System	8	17
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Infotainment Display	—	10.1 in
Premium Brand Speakers	—	Bang & Olufsen
Surround Audio	—	Discrete
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	Porsche	Audi
One-Touch Power Windows	2	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass
Reverse Tilt Passenger Mirror	—	✓

Frontseats

Feature	Porsche	Audi
Seat Material: Leatherette	✓	—
Front Seat Type: Sport	✓	✓
Driver Seat Power Adjustments	6-way	18-way
Driver Seat Manual Adjustments	2-way	—
Driver Seat Height Adjustment	✓	✓
Passenger Seat Power Adjustments	6-way	18-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Head Room	—	38.3 in.
Front Leg Room	—	41.5 in.
Front Shoulder Room	—	59.1 in.
Seat Material: Premium Leather	—	✓
Driver Seat Lumbar Support	—	Power
Driver Seat Memory Settings	—	2
Passenger Seat Lumbar Support	—	Power
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓
Seat Massage Function	—	✓

Rearseats

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

Tires and Wheels

Feature	Porsche	Audi
Wheel Finish	Painted Alloy	—
Wheel Size	20 x 11.5 in.	21 in
Tire Type	Performance	Performance
Tire Size	295/35R20	265/35R21
Wheel Material	—	Alloy
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

Suspension

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

Warranty

Feature	Porsche	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./ 50000 mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 30000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Porsche 911 and 2026 Audi S8.

How much more powerful is the 2026 Audi S8 compared to the 2025 Porsche 911?

The 2026 Audi S8 is significantly more powerful, boasting 563 horsepower against the 2025 Porsche 911's 388 horsepower, resulting in a 175 hp difference. This power translates to 590 lb-ft of torque in the S8 versus 332 lb-ft in the 911.

Which vehicle is the more economical choice based on fuel consumption?

The 2025 Porsche 911 is more economical, achieving a combined 21 MPG (18 city/25 highway). The 2026 Audi S8 trails slightly with a combined 18 MPG (15 city/24 highway), despite both requiring premium unleaded fuel.

Is the Audi S8 a more practical option for cargo transport?

Yes, the Audi S8 sedan offers substantially more cargo capacity at 12.5 cu ft. This is more than double the 4.8 cu ft available in the Porsche 911 coupe configuration.

What is the MSRP difference between the two vehicles?

The 2026 Audi S8 starts at an MSRP of $130,000, which is $9,900 higher than the 2025 Porsche 911's base price of $120,100.

How does the drivetrain configuration differ between the two sports cars?

The 2025 Porsche 911 utilizes a rear-wheel-drive setup paired with an 8-speed automated manual transmission. Conversely, the 2026 Audi S8 employs an all-wheel-drive system mated to an 8-speed shiftable automatic transmission.

Comparing size, how much longer is the S8 than the 911?

The 2026 Audi S8 is considerably longer, measuring 209.5 inches overall, while the 2025 Porsche 911 is substantially more compact at 178.8 inches in length.