3 Series 2025 320i M Sport vs 4 Series Gran Coupe 2025 420i Comparison
Car Information
Engine / Motor
240
236
4
4
Dimensions
5
4
4709
4783
1827
1852
1442
1442
2851
2856
480
470
Fuel Economy
18
15.1
60
59
Comfort
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Interior
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
/
✓
/
✓
Safety
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Infotainment
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
✓
/
✓
/
✓
✓
✓
✓
✓
/
/
✓
/
✓
Transmission
✓
/
Automatic
Automatic
/
✓
Chassis & Steering
✓
✓
✓
✓
✓
✓
Rear Wheel Drive
Rear Wheel Drive
Wheels/brakes
✓
/
✓
✓
✓
✓
Key Spec
2.0 L - 2.0 L
2.0
156 - 382
184 BHP
6-speed automatic & 8-speed automatic (Steptronic Sport) & 8-speed automatic (Steptronic) & Automatic
Automatic
Gasoline
Gasoline
TBD
TBD
5
4
Exterior
✓
/
✓
/
✓
/
✓
✓
✓
✓
✓
/
✓
/
✓
✓
✓
✓
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Engine
2.0
2.0
Gasoline
Gasoline
184 BHP
184 BHP
300
300
Technologies
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
✓
✓
✓
✓
/
✓
/
✓
Comparison of configuration highlights
3 Series 2025 320i M Sport
- Audio Controls on Steering Wheel
- Electronic Engine Immobilizer
- Power Tailgate
- 360 Degree Camera
- Cool Box
- Rear Defogger
- Push Button Start
- Temperature Display
- Keyless Entry
- Welcome Light
- Rear Camera
- Steering Adjustment
- Anti-Theft Alarm System
- Number of Airbags
- Runflat Tyres
- Pedestrian airbag
- Fire Extinguisher
- Active Bonnet
- Collision Detection
- Speed Limiter
- Auto Door Lock
- Spare Wheel
- Door Mirrors with Side Turn Signal
- Parking Sensors - Front and Rear
- EBD (Electronic Brakeforce Distribution)
- ABS
- Child Seat Interface (ISOFIX)
- Active braking
4 Series Gran Coupe 2025 420i
- Audio Controls on Steering Wheel
- Electronic Engine Immobilizer
- Power Tailgate
- 360 Degree Camera
- Cool Box
- Rear Defogger
- Push Button Start
- Temperature Display
- Keyless Entry
- Welcome Light
- Rear Camera
- Steering Adjustment
- Anti-Theft Alarm System
- Number of Airbags
- Runflat Tyres
- Pedestrian airbag
- Fire Extinguisher
- Active Bonnet
- Collision Detection
- Door Mirrors with Side Turn Signal
- Parking Sensors - Front and Rear
- EBD (Electronic Brakeforce Distribution)
- ABS
- Child Seat Interface (ISOFIX)
- Active braking
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
- No data found
Negative
- No data found
Related comparisons
Editor's Pick3 Series 2025 320i M Sport
Expert / Editor Recommendation
Choose 3 Series 2025 320i M Sport if you care more about price; choose 4 Series Gran Coupe 2025 420i if you care more about interior space.
Popular Car Comparisons
Q&A
- According to fuel consumption data, 3 Series 2025 320i M Sport has a fuel consumption of 5.56, while 4 Series Gran Coupe 2025 420i has a fuel consumption of 6.62. Therefore, 3 Series 2025 320i M Sport is more fuel-efficient.
- In terms of interior space, 3 Series 2025 320i M Sport has a wheelbase of 2851, while 4 Series Gran Coupe 2025 420i has a wheelbase of 2856. Generally, the model with the longer wheelbase, 4 Series Gran Coupe 2025 420i, offers more room.
- Check drive type, ground clearance and torque together. 3 Series 2025 320i M Sport uses Rear Wheel Drive, while 4 Series Gran Coupe 2025 420i uses Rear Wheel Drive.