Vehicle Overview
Key specifications and features at a glance
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
| Specification | A6 S6 | M3 Competition |
|---|---|---|
| Engine Capacity | 2894 | 2993 |
| Engine Code | EA839 | S58B30T0 |
| Cylinder Configuration | V | Inline |
| Number of Cylinders | 6 | 6 |
| Aspiration | Turbocharged | Twin-turbocharged |
| Power | 331 | 375 |
| Torque | 600 | 650 |
| Top Speed | 250 | 250 |
| Drive Type | AWD | RWD |
| Fuel Economy Combined | 8.4 | 10.1 |
| Emission Standard | Euro 6 | Euro 6 |
| Tyre Size | 255 / 35R21 | 275 / 35 R19 front; 285 / 30 R20 rear |
| Wheel Size | 21 | 19 front; 20 rear |
| Number of Doors | 4 | 4 |
| Seating Capacity | 5 | 5 |
| Front Brakes | Ventilated disc | Ventilated compound disc |
| Rear Brakes | Ventilated disc | Ventilated compound disc |
| Front Suspension | Five-link independent | Adaptive M double-joint spring-strut |
| Rear Suspension | Five-link independent | Adaptive M five-link |
| Steering Type | Electric power-assisted rack and pinion | Electric rack and pinion |
| Number of Airbags | 8 | 6 |
| Towing Capacity | 2100 | — |
| Turning Circle | 12.1 | 12.2 |
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
| Dimension | A6 S6 | M3 Competition |
|---|---|---|
| Fuel Tank Capacity | 73 | 59 |
| Length | 4954 | 4801 |
| Width | 1886 | 1903 |
| Height | 1446 | 1438 |
| Wheelbase | 2928 | 2857 |
| Ground Clearance | — | 120 |
| Kerb Weight | 1910 | 1730 |
| Boot Space | 520 | 480 |
Features Comparison
Standard and optional equipment comparison
Safety
| Feature | A6 S6 | M3 Competition |
|---|---|---|
| Adaptive Cruise Control | ||
| Autonomous Emergency Braking | ||
| Lane Departure Warning | ||
| Lane Keep Assist | ||
| Blind Spot Monitoring | ||
| Rear Cross Traffic Alert | ||
| Traffic Sign Recognition | ||
| Driver Attention Monitor | ||
| Front Parking Sensors | ||
| Rear Parking Sensors | ||
| 360 Camera | ||
| Reverse Camera | ||
| Hill Start Assist | ||
| Tyre Pressure Monitoring System | ||
| Rear Occupant Alert |
Comfort
| Feature | A6 S6 | M3 Competition |
|---|---|---|
| Keyless Entry | ||
| NFC Keyless Entry | ||
| Push Button Start | ||
| Dual-Zone Climate Control | ||
| Tri-Zone Climate Control | ||
| Heated Front Seats | ||
| Ventilated Front Seats | ||
| Heated Steering Wheel | ||
| Power Tailgate | ||
| Remote Start | ||
| Power Driver Seat | ||
| Power Passenger Seat | ||
| Memory Seats | ||
| Auto Dimming Mirror | ||
| Rain Sensing Wipers | ||
| Adaptive Headlights |
Interior Exterior
| Feature | A6 S6 | M3 Competition |
|---|---|---|
| Leather Seats | ||
| Fabric Seats | ||
| Ambient Lighting | ||
| Sunroof | ||
| Panoramic Roof | ||
| LED Headlights | ||
| Matrix LED Headlights | ||
| Daytime Running Lights | ||
| Alloy Wheels | ||
| Roof Rails | ||
| Rear Privacy Glass | ||
| Power Folding Mirrors |
Technology
| Feature | A6 S6 | M3 Competition |
|---|---|---|
| Touchscreen Display | ||
| Digital Instrument Cluster | ||
| Apple CarPlay | ||
| Android Auto | ||
| Wireless Apple CarPlay | ||
| Wireless Android Auto | ||
| Wireless Phone Charging | ||
| Built-in Navigation | ||
| Premium Audio System | ||
| Head-Up Display | ||
| USB-C Ports | ||
| Bluetooth Connectivity | ||
| Voice Control | ||
| Connected Car App |
Pros & Cons
Strengths and weaknesses of each vehicle
Audi A6 S6
Pros
- +Powerful 331 kW V6
- +Rapid quattro traction
- +Comfortable adaptive suspension
- +Practical 520 litre boot
- +Subtle performance styling
Cons
- −High purchase price
- −Expensive tyres and brakes
- −Premium fuel required
- −Costly servicing and insurance
- −Heavy kerb weight
BMW M3 Competition
Pros
- +Powerful 375 kW six-cylinder
- +Engaging rear-wheel-drive balance
- +Rapid Competition performance
- +Practical 480 litre boot
- +Five-seat everyday usability
Cons
- −High Australian purchase price
- −Firm ride on rough roads
- −High combined fuel consumption
- −Expensive performance tyres
- −No verified towing rating
Which one should you buy?
Best for Performance: BMW M3 Competition
System power around 375 kW supports a solid performance score.
Best for Value: Audi A6 S6
Boot space relative to list price contributes positively to the value score.
Best Overall: BMW M3 Competition
Across performance, value, efficiency, and practicality, this variant shows a balanced overall profile.
Our Recommendation
Choose Audi A6 S6 if: You prioritise performance and responsive power.
Choose BMW M3 Competition if: You prioritise performance and responsive power.
Bottom Line: BMW M3 Competition leads on performance and Audi A6 S6 leads on value.
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