Vehicle Overview
Key specifications and features at a glance
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
Features Comparison
Standard and optional equipment comparison
Safety
Comfort
Interior Exterior
Technology
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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