2025 Audi A6 vs 2026 Mercedes-Benz E-Class

$58,100 · Sedan

$63,900 · Sedan

Comparison Overview

The most significant difference is the $5,800 MSRP gap, with the 2025 Audi A6 starting at $58,100 compared to the 2026 Mercedes-Benz E-Class at $63,900. The A6 delivers 261 hp and 273 lb-ft of torque, narrowly outpacing the E-Class’s 255 hp, though the Mercedes achieves a superior 295 lb-ft of torque. Fuel efficiency favors the E-Class, offering 28 combined MPG versus the A6’s 26 combined MPG, with the Mercedes achieving 33 highway MPG against the Audi’s 31 MPG. Dimensionally, the vehicles are extremely close, though the A6 provides slightly more storage at 13.7 cu ft compared to the E-Class's 12.7 cu ft. Furthermore, the Audi utilizes an all-wheel-drive configuration while the Mercedes defaults to rear-wheel drive, impacting traction characteristics.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz E-Class

The 2026 Mercedes-Benz E-Class wins for commuters due to its superior combined fuel economy of 28 MPG, requiring fewer fuel stops.

👨‍👩‍👧‍👦 Best for Families

2025 Audi A6

The 2025 Audi A6 offers a marginally larger cargo capacity of 13.7 cubic feet, which is beneficial for family hauling.

🏎️ Best for Enthusiasts

2026 Mercedes-Benz E-Class

The E-Class appeals more to driving enthusiasts by producing a higher torque output of 295 lb-ft and utilizing a traditional 9-speed automatic transmission.

💰 Best Value

2025 Audi A6

The Audi A6 offers better immediate value by having a $5,800 lower starting MSRP than the Mercedes-Benz E-Class.

Choose the Audi A6 if...

Your budget dictates a starting MSRP under $60,000, as the A6 is priced at $58,100.
All-wheel-drive performance and stability are non-negotiable for your driving conditions.
You prioritize slightly more usable trunk space, with 13.7 cu ft available compared to the competitor’s 12.7 cu ft.

Choose the Mercedes-Benz E-Class if...

Maximizing fuel economy is key, demonstrated by the 28 combined MPG rating.
You prefer the tactile experience of higher torque, as the E-Class delivers 295 lb-ft versus the A6’s 273 lb-ft.
A conventional 9-speed automatic transmission is preferred over the A6's 7-speed automated manual.

Key Dimensions

Dimension	Audi A6	Mercedes-Benz E-Class
Length	194.4"	194.9"
Width	74.3"	74.0"
Height	57.4"	57.9"
Wheelbase	115.1"	116.6"

Features Comparison

Safety

Feature	Audi	Mercedes-Benz
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	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	Audi	Mercedes-Benz
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 @ 5800 rpm
Torque	273 lb-ft @ 1600 rpm	295 lb-ft @ 2000 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	Mercedes-Benz
Transmission Type	7-speed automated manual	9-speed shiftable automatic
Drivetrain Type	all wheel drive	rear wheel drive
Center Differential Type	Limited Slip	—

Fuel

Feature	Audi	Mercedes-Benz
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	24/31 MPG	25/33 MPG
EPA Fuel Economy (Combined)	26 MPG	28 MPG
EPA Driving Range (City/Highway)	463.2/598.3 mi.	435.0/574.2 mi.
Fuel Tank Capacity	19.3 gal.	17.4 gal.

Comfort & Convenience

Feature	Audi	Mercedes-Benz
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	✓	✓
Front View Camera	—	✓
Side View Camera	—	✓
Automatic Parking Assist	—	✓
Wireless Charging Pad	—	✓
Overhead Console with Storage	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓

In Car Entertainment

Feature	Audi	Mercedes-Benz
Infotainment Display	10.1 in	14.4 in
AM/FM Stereo	✓	✓
Stereo Power	180W	—
Speaker System	10	6
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Speed Sensitive Volume Control	✓	—

Power Feature

Feature	Audi	Mercedes-Benz
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass Extended
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Audi	Mercedes-Benz
Front Head Room	38.0 in.	37.3 in.
Front Leg Room	41.3 in.	41.5 in.
Front Shoulder Room	57.8 in.	57.8 in.
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	8-way	10-way
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	Audi	Mercedes-Benz
Rear Head Room	38.1 in.	37.6 in.
Rear Leg Room	37.4 in.	36.2 in.
Rear Shoulder Room	56.5 in.	57.1 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Folding Center Armrest	—	✓

Tires and Wheels

Feature	Audi	Mercedes-Benz
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Diameter	19 in	—
Tire Type	All Season	—
Tire Size	245/45R H	225/55R18
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Size	—	18 x 8.0 in
Run Flat Tires	—	✓

Suspension

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

Warranty

Feature	Audi	Mercedes-Benz
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.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi A6 and 2026 Mercedes-Benz E-Class.

Is the price difference between the two sedans negotiable?

The initial MSRP difference is substantial at $5,800, with the 2025 Audi A6 beginning at $58,100 and the 2026 Mercedes-Benz E-Class starting at $63,900. Actual transaction prices will vary based on dealer incentives and specific trim levels selected.

Which vehicle provides better highway driving range?

The Mercedes-Benz E-Class offers a slight advantage with 33 Highway MPG compared to the Audi A6’s 31 Highway MPG, suggesting fewer refueling stops on long journeys for the E-Class, assuming equivalent tank sizes.

How does the drivetrain difference affect daily driving?

The Audi A6 comes standard with all-wheel drive, enhancing traction in adverse conditions, whereas the E-Class features a rear-wheel-drive setup, which some drivers prefer for balanced handling dynamics on dry pavement.

Is the Audi A6 significantly less powerful than the E-Class?

No, the A6 produces slightly more peak horsepower at 261 hp compared to the E-Class’s 255 hp. However, the E-Class counters with 295 lb-ft of torque, exceeding the A6’s 273 lb-ft.

Do both models require premium fuel?

Yes, both the 2025 Audi A6 and the 2026 Mercedes-Benz E-Class explicitly require premium unleaded fuel for their respective engines to achieve their stated performance figures.

Which sedan has a physically larger exterior footprint?

The 2026 Mercedes-Benz E-Class is negligibly longer at 194.9 inches versus the A6’s 194.4 inches, while the Audi A6 is slightly wider at 74.3 inches compared to the E-Class's 74.0 inches.