2026 Audi A8 vs 2026 BMW M5

$95,100 · Sedan

$121,900 · Sedan

Comparison Overview

The 2026 BMW M5 ($121,900 MSRP) presents a substantial divergence from the 2026 Audi A8 ($95,100 MSRP), marked most significantly by a $26,800 price gap. This difference supports the M5's powerhouse performance metrics, boasting 717 hp and 738 lb-ft of torque, significantly overshadowing the A8's 335 hp and 369 lb-ft. Fuel efficiency reflects this split; the A8 achieves a combined 22 MPG, whereas the M5, incorporating its PHEV system, manages only 14 MPG combined, representing an 8 MPG efficiency delta. While the A8 is marginally longer at 209.5 inches versus the M5's 200.6 inches, the M5 offers 4.0 cubic feet more cargo space (16.5 cu ft vs. 12.5 cu ft). The M5’s dual nature is highlighted by its 29-mile electric range, a feature entirely absent from the A8.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi A8

The Audi A8 wins for commuters due to its superior 22 MPG combined fuel economy compared to the M5's 14 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 BMW M5

The BMW M5 offers superior utility for families with 16.5 cubic feet of cargo space compared to the A8's 12.5 cubic feet.

🏎️ Best for Enthusiasts

2026 BMW M5

The BMW M5 is the clear winner for enthusiasts, delivering an extra 382 horsepower and 369 lb-ft of torque over the A8.

💰 Best Value

2026 Audi A8

The Audi A8 provides significantly better value, costing $26,800 less while still offering standard all-wheel drive and respectable power.

Choose the Audi A8 if...

Fuel economy is paramount, as the A8 delivers 22 MPG combined versus the M5's 14 MPG.
You seek to save $26,800 upfront, with an MSRP of $95,100 compared to the M5's $121,900.
Maximum highway cruising range without refueling is a priority, indicated by its superior mileage figures (27 highway MPG).

Choose the BMW M5 if...

Performance is the main criterion, supported by the M5's massive 717 hp output.
You require utility, as the M5 offers 16.5 cubic feet of cargo space, exceeding the A8's 12.5 cubic feet.
Short daily commutes can be covered using the M5's dedicated 29 miles of electric range.

Key Dimensions

Dimension	Audi A8	BMW M5
Length	209.5"	200.6"
Width	76.6"	77.6"
Height	58.3"	59.4"
Wheelbase	123.1"	118.3"

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	✓	✓
Cornering Lights	✓	✓
Front Fog Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Multi-Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	—
Blind Spot Monitor	—	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	3.0 L	4.4 L
Number of Cylinders	V6	V8
Base Engine Type	mild hybrid	plug-in hybrid
Horsepower	335 hp	717 hp @ 5600 rpm
Torque	369 lb-ft	738 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	—
Hill Descent Control	✓	—
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	Audi	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	19/27 MPG	12/19 MPG
EPA Fuel Economy (Combined)	22 MPG	14 MPG
EPA Driving Range (City/Highway)	412.3/585.9 mi.	190.8/302.1 mi.
Fuel Tank Capacity	21.7 gal.	15.9 gal.
EPA Efficiency (City/Highway MPGe)	—	41/57 MPGe
EPA Efficiency (Combined MPGe)	—	47 MPGe
EPA Electric Driving Range	—	29 mi.
EPA Energy Consumption (kWh/100 mi)	—	55
Charging Time (240V)	—	2.0 hr.
DC Fast Charging Port Type	—	SAE J1772

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	—	✓
Rear Ventilation Ducts	—	✓
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	14.9 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	—
Stereo Power	730W	655W
Speaker System	17	18
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	—	Bowers & Wilkins

Power Feature

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

Frontseats

Feature	Audi	BMW
Front Head Room	38.3 in.	39.0 in.
Front Leg Room	41.5 in.	41.3 in.
Front Shoulder Room	59.1 in.	59.2 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	12-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.	37.5 in.
Rear Leg Room	44.3 in.	36.2 in.
Rear Shoulder Room	57.6 in.	56.9 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Folding Center Armrest	—	✓

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	295/35R21
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Size	—	21 x 11.0 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./ 30000 mi.	3 yr./ 36000 mi.
Hybrid Component Warranty	—	8 yr./ 100000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 Audi A8 and 2026 BMW M5.

What is the primary performance difference between the 2026 Audi A8 and the 2026 BMW M5?

The primary difference lies in peak output; the M5 generates 717 hp and 738 lb-ft of torque, while the A8 produces 335 hp and 369 lb-ft of torque. This results in a substantial 382 horsepower advantage for the M5.

How does the fuel economy compare for daily driving?

The Audi A8 is significantly more efficient, rated at 22 MPG combined (19 city/27 highway), while the performance-focused BMW M5 is rated lower at 14 MPG combined (12 city/19 highway).

Does the BMW M5 offer any electric-only capability?

Yes, the 2026 BMW M5 is specified with a 29-mile electric range, which neither the Audi A8 nor its standard powertrain configuration offers.

Which vehicle provides better value when comparing initial cost and power?

While the M5 is faster, the A8 offers better value by being $26,800 cheaper MSRP while still providing all-wheel drive capabilities.

Are there notable differences in physical size and capacity?

The A8 is slightly longer at 209.5 inches, but the M5 boasts a 16.5 cu ft trunk compared to the A8's 12.5 cu ft, offering superior accessible cargo volume.