2025 Audi S6 vs 2025 Mercedes-Benz E-Class
Comparison Overview
The 2025 Audi S6 is the visceral performance machine, packing a potent 444 hp and 442 lb-ft of torque, demanding a $75,900 investment for its aggressive thrust and standard all-wheel drive grip. In contrast, the 2025 Mercedes-Benz E-Class appeals to refined efficiency, offering a highly respectable 255 hp and sipping fuel for 28 combined MPG, significantly outpacing the S6's 22 combined MPG rating. This substantial performance gap is reflected in the pricing, with the E-Class presenting a compelling value proposition at $62,450, a difference of $13,450 compared to the high-strung S6. While both sedans are comparably sized, the Audi brings nearly 190 extra horsepower to the asphalt, forcing buyers to weigh raw acceleration against long-term running costs and initial outlay.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz E-Class
The Mercedes-Benz E-Class is superior for commuting due to its significantly better 28 combined MPG efficiency.
2025 Mercedes-Benz E-Class
The E-Class offers a slightly taller cabin (57.9 inches vs 56.9 inches) and a lower starting price for practicality-minded buyers.
2025 Audi S6
The Audi S6 is the clear choice for performance enthusiasts, delivering a massive 444 hp and 442 lb-ft of torque.
2025 Mercedes-Benz E-Class
The E-Class wins on value by offering a much lower MSRP of $62,450 compared to the S6's $75,900, despite lower power output.
Choose the Audi S6 if...
- You prioritize explosive acceleration, benefiting from 444 horsepower.
- You demand the added grip and confidence of standard all-wheel drive.
- You value the superior torque figure of 442 lb-ft for effortless passing power.
Choose the Mercedes-Benz E-Class if...
- Your budget dictates a maximum MSRP of $62,450.
- You commute frequently and prioritize fuel economy, achieving 33 MPG on the highway.
- You prefer the traditional feel and handling dynamics of a rear-wheel-drive platform.
Key Dimensions
| Dimension | Audi S6 | Mercedes-Benz E-Class |
|---|---|---|
| Length | 195.0" | 194.9" |
| Width | 74.3" | 74.0" |
| Height | 56.9" | 57.9" |
| Wheelbase | 115.3" | 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 | ✓ | ✓ |
| Headlight Washers | ✓ | — |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Integrated 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 | 2.9 L | 2.0 L |
| Number of Cylinders | V6 | inline 4 |
| Base Engine Type | mild hybrid | mild hybrid |
| Horsepower | 444 hp | 255 hp @ 5800 rpm |
| Torque | 442 lb-ft | 295 lb-ft @ 2000 rpm |
| Number of Valves | 24 | 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 | 8-speed shiftable automatic | 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) | 19/27 MPG | 25/33 MPG |
| EPA Fuel Economy (Combined) | 22 MPG | 28 MPG |
| EPA Driving Range (City/Highway) | 366.7/521.1 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 | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear and Side 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 | ✓ | ✓ |
| Heated Steering Wheel | ✓ | — |
| Four Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Cruise Control on Steering Wheel | — | ✓ |
| Front View Camera | — | ✓ |
| Side View Camera | — | ✓ |
| Rear 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 |
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: Sport | ✓ | — |
| Driver Seat Power Adjustments | 8-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 | 8-way | 10-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | Power |
| Passenger Seat Thigh Extension | ✓ | ✓ |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Seat Material: Leatherette | — | ✓ |
| Front Seat Type: Bucket | — | ✓ |
| 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 Material | Alloy | — |
| Wheel Size | 21 in | 18 x 8.0 in |
| Tire Type | Performance | — |
| Tire Size | 255/35R21 | 225/55R18 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Finish | — | Painted Alloy |
| 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 S6 and 2025 Mercedes-Benz E-Class.
What is the actual difference in power output between the two sedans?
The 2025 Audi S6 boasts 444 horsepower, whereas the 2025 Mercedes-Benz E-Class produces 255 horsepower, resulting in a significant 189 hp advantage for the Audi.
How much more expensive is the performance-oriented Audi S6?
The Audi S6 carries an MSRP of $75,900, which is $13,450 more than the starting price of the Mercedes-Benz E-Class at $62,450.
Is the difference in fuel economy significant for daily driving?
Yes, the difference is considerable; the E-Class achieves 28 combined MPG, beating the S6's 22 combined MPG by 6 miles per gallon.
Which car provides more physical interior space for storage?
The Audi S6 offers a slight edge in trunk capacity, providing 13.7 cubic feet compared to the E-Class’s 12.7 cubic feet.
Do both cars require premium fuel?
Yes, both the 2025 Audi S6 and the 2025 Mercedes-Benz E-Class explicitly require premium unleaded fuel to maintain their specified performance levels.
What is the core difference in their drivetrain setups?
The Audi S6 utilizes an all-wheel-drive system for maximum traction, while the Mercedes-Benz E-Class employs a traditional rear-wheel-drive configuration.
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