2025 Audi A6 vs 2026 BMW 4 Series Gran Coupe

$58,100 · Sedan

$50,600 · Sedan

Comparison Overview

The 2025 Audi A6 bursts forth with its standard 261 hp and sophisticated Quattro all-wheel drive system, exuding executive presence with its 194.4-inch length. Conversely, the 2026 BMW 4 Series Gran Coupe counters with a sportier focus, offering a delightful 295 lb-ft of torque paired with an engaging rear-wheel-drive setup in a more compact 188.5-inch frame. While the Audi commands a higher MSRP of $58,100, the BMW starts at a more accessible $50,600, showcasing a significant $7,500 initial savings. Efficiency also leans toward Bavaria, as the BMW achieves a superior 30 combined MPG compared to the Audi’s 26 combined MPG. Performance hounds will note the Audi’s 7-speed transmission versus the BMW’s 8-speed automatic, yet both require premium unleaded fuel for their potent powertrains.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 BMW 4 Series Gran Coupe

The BMW 4 Series Gran Coupe wins for commuters due to its superior fuel economy, achieving 30 combined MPG versus the Audi's 26.

👨‍👩‍👧‍👦 Best for Families

2026 BMW 4 Series Gran Coupe

The 2026 BMW offers substantially more usable space with 16.6 cu ft of cargo capacity compared to the Audi's 13.7 cu ft.

🏎️ Best for Enthusiasts

2025 Audi A6

The Audi A6 appeals more to driving purists through its standard all-wheel-drive grip and a higher base torque output of 273 lb-ft.

💰 Best Value

2026 BMW 4 Series Gran Coupe

The BMW offers better overall value, costing $7,500 less at entry and providing better fuel efficiency.

Choose the Audi A6 if...

You prioritize the maximum security and traction provided by the standard all-wheel-drive system.
You prefer the substantial presence of a longer sedan, with a length of 194.4 inches.
You want the slightly higher base horsepower rating of 261 hp standard in the package.

Choose the BMW 4 Series Gran Coupe if...

Sticking strictly to budget is key, given the $50,600 MSRP is $7,500 less than the Audi.
Maximizing efficiency on long drives is a priority, thanks to its 35 highway MPG rating.
You prefer the practicality of a larger trunk, as the 4 Series GC boasts 16.6 cu ft of cargo room.

Key Dimensions

Dimension	Audi A6	BMW 4 Series Gran Coupe
Length	194.4"	188.5"
Width	74.3"	72.9"
Height	57.4"	56.8"
Wheelbase	115.1"	112.4"

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	✓	✓
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	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Self-Leveling Headlights	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	mild hybrid	mild hybrid
Horsepower	261 hp @ 5000 rpm	255 hp @ 4700 rpm
Torque	273 lb-ft @ 1600 rpm	295 lb-ft @ 1600 rpm
Number of Valves	16	16
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	7-speed automated manual	8-speed shiftable automatic
Drivetrain Type	all wheel drive	rear wheel drive
Center Differential Type	Limited Slip	—

Fuel

Feature	Audi	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	24/31 MPG	27/35 MPG
EPA Fuel Economy (Combined)	26 MPG	30 MPG
EPA Driving Range (City/Highway)	463.2/598.3 mi.	421.2/546.0 mi.
Fuel Tank Capacity	19.3 gal.	15.6 gal.

Comfort & Convenience

Feature	Audi	BMW
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	✓	✓
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	✓	✓
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	—
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Tilt and Telescopic Steering Wheel	—	✓
Wireless Charging Pad	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	14.9 in
AM/FM Stereo	✓	✓
Stereo Power	180W	205W
Speaker System	10	10
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	✓	—
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓

Power Feature

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

Frontseats

Feature	Audi	BMW
Front Head Room	38.0 in.	38.6 in.
Front Leg Room	41.3 in.	41.5 in.
Front Shoulder Room	57.8 in.	55.2 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	—
Driver Seat Power Adjustments	8-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	—
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	8-way	—
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Front Seat Type: Sport	—	✓
Driver Seat Manual Adjustments	—	2-way
Driver Seat Thigh Extension	—	✓
Passenger Seat Manual Adjustments	—	2-way
Passenger Seat Thigh Extension	—	✓

Rearseats

Feature	Audi	BMW
Rear Head Room	38.1 in.	36.6 in.
Rear Leg Room	37.4 in.	34.9 in.
Rear Shoulder Room	56.5 in.	54.3 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 Diameter	19 in	—
Tire Type	All Season	—
Tire Size	245/45R H	245/45R H
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Size	—	18 x 8.5 in
Run Flat Tires	—	✓

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 A6 and 2026 BMW 4 Series Gran Coupe.

How much more spacious is the 2026 BMW 4 Series Gran Coupe than the 2025 Audi A6?

The BMW provides notably more storage volume for weekend trips or grocery runs, offering 16.6 cubic feet of cargo space. The Audi A6 trails slightly behind with 13.7 cubic feet available in its trunk.

Is the efficiency difference between these two luxury sedans significant?

Yes, there is a clear advantage for the BMW, which returns 30 combined MPG (27 city/35 highway). The Audi A6 is rated for 26 combined MPG (24 city/31 highway), making the BMW the more frugal choice for daily driving.

Which vehicle is better equipped for inclement weather driving based on drive type?

The 2025 Audi A6 comes standard with all-wheel drive, providing enhanced stability and traction in rain or snow. The 2026 BMW 4 Series Gran Coupe utilizes a traditional rear-wheel-drive platform.

Does the lower price of the BMW mean a significant performance deficit?

Not substantially at the base level; the BMW offers 295 lb-ft of torque to the Audi’s 273 lb-ft, even though the Audi has 261 hp versus the BMW's 255 hp.

How do the overall dimensions compare for parking and maneuvering?

The BMW 4 Series Gran Coupe is the more nimble machine, measuring 188.5 inches in length and 72.9 inches wide. The Audi A6 is larger overall at 194.4 inches long and 74.3 inches wide.