3 Series 2025 330i vs 5 Series 2025 520i Comparison
Car Information
Engine / Motor
250
235
4
4
Dimensions
5
5
4709
4963
1827
2126
1442
1497
2851
2968
480
520
Fuel Economy
17.2
6.1
60
70
Comfort
✓
✓
✓
/
✓
/
✓
✓
✓
/
✓
✓
✓
/
✓
✓
/
✓
/
✓
/
✓
Interior
✓
✓
✓
/
✓
✓
✓
✓
✓
/
✓
✓
✓
/
✓
✓
✓
/
✓
✓
✓
✓
✓
/
✓
✓
✓
/
✓
✓
✓
/
✓
/
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Safety
✓
/
✓
✓
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
/
✓
/
✓
/
✓
Infotainment
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
Transmission
Automatic
Automatic
Chassis & Steering
Rear Wheel Drive
Rear Drive
/
✓
/
✓
/
✓
Wheels/brakes
/
✓
Key Spec
2.0 L - 2.0 L
2.0 L - 2.0 L
156 - 382
184 BHP - 523
6-speed automatic & 8-speed automatic (Steptronic Sport) & 8-speed automatic (Steptronic) & Automatic
8-speed automatic & 8-speed automatic (Steptronic) & 8-speed automatic transmission & 8-speed Steptronic Sport automatic & Automatic
Gasoline
Gasoline
TBD
TBD
5
5
Exterior
✓
✓
✓
/
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
✓
✓
/
✓
/
✓
✓
✓
✓
✓
/
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Engine
2.0
2.0
Gasoline
Gasoline
258 BHP
184 BHP
400
290
Technologies
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
/
✓
/
✓
/
✓
Comparison of configuration highlights
3 Series 2025 330i
- Audio Controls on Steering Wheel
- Electronic Engine Immobilizer
- Rear Defogger
- Push Button Start
- Temperature Display
- Keyless Entry
- Rear Camera
- Steering Adjustment
- Anti-Theft Alarm System
- Number of Airbags
- Speed Limiter
- Door Mirrors with Side Turn Signal
- Parking Sensors - Front and Rear
- EBD (Electronic Brakeforce Distribution)
- ABS
- Child Seat Interface (ISOFIX)
- Active braking
5 Series 2025 520i
- Audio Controls on Steering Wheel
- Power Tailgate
- 360 Degree Camera
- Push Button Start
- Keyless Entry
- Seats - Comfort
- Steering Adjustment
- Number of Airbags
- Pedestrian airbag
- Fire Extinguisher
- Collision Detection
- Door Mirrors with Side Turn Signal
- Parking Sensors - Front and Rear
- EBD (Electronic Brakeforce Distribution)
- ABS
Review Comparison
Positive
- Excellent dynamic performance
- Advanced in-cabin technology
- High-end interior and exterior design
Negative
- Limited cargo space
- High maintenance cost
- The comfort of the rear seat is average
Positive
- Powerful motors and effective performance
- Luxurious and sophisticated interior design
- Advanced technology and assistance systems
Negative
- High maintenance costs
- Above average fuel consumption
- The back space may be cramped for some
Related comparisons
Expert / Editor Recommendation
Choose 3 Series 2025 330i if you care more about fuel economy; choose 5 Series 2025 520i if you care more about interior space.
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Q&A
- According to fuel consumption data, 3 Series 2025 330i has a fuel consumption of 5.81, while 5 Series 2025 520i has a fuel consumption of 16.39. Therefore, 3 Series 2025 330i is more fuel-efficient.
- In terms of interior space, 3 Series 2025 330i has a wheelbase of 2851, while 5 Series 2025 520i has a wheelbase of 2968. Generally, the model with the longer wheelbase, 5 Series 2025 520i, offers more room.
- Check drive type, ground clearance and torque together. 3 Series 2025 330i uses Rear Wheel Drive, while 5 Series 2025 520i uses Rear Drive.