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
BMW 3 Series M340i xDrive
Pros
- +Powerful six-cylinder performance
- +Confident xDrive traction
- +Rapid all-weather acceleration
- +Practical 480-litre boot
- +Comfortable long-distance cruiser
Cons
- −Substantially higher price
- −Higher fuel consumption
- −Expensive performance tyres
- −Firm ride on 19-inch wheels
- −Costly insurance and servicing
Mercedes-Benz E-Class E 300
Pros
- +Refined long-distance comfort
- +Strong 190 kW performance
- +Large 540-litre boot
- +Premium digital cabin
- +Rear-wheel-drive balance
Cons
- −High Australian purchase price
- −Costly scheduled servicing
- −Large wheels can ride firmly
- −Sedan body limits cargo flexibility
- −Options can be expensive
Which one should you buy?
Best for Performance: BMW 3 Series M340i xDrive
System power around 285 kW supports a solid performance score.
Best for Value: BMW 3 Series M340i xDrive
Boot space relative to list price contributes positively to the value score.
Best for Practicality / Space: Mercedes-Benz E-Class E 300
Boot and practicality-related dimensions score well for everyday use.
Best Overall: BMW 3 Series M340i xDrive
Across performance, value, efficiency, and practicality, this variant shows a balanced overall profile.
Our Recommendation
Choose BMW 3 Series M340i xDrive if: You prioritise performance and responsive power.
Choose Mercedes-Benz E-Class E 300 if: Space, seating, and everyday practicality come first.
Bottom Line: BMW 3 Series M340i xDrive leads on performance, BMW 3 Series M340i xDrive leads on value and Mercedes-Benz E-Class E 300 leads on practicality.
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