Z4 Roadster 2025 xDrive20i vs 4 Series Coupe 2025 420i M Sport Comparison
Car Information
6.6
7.5
Engine / Motor
240
236
/
4
Dimensions
2
4
4324
4640
1864
1825
1304
1377
2470
2810
281
445
Fuel Economy
16.3
17.2
55
60
Comfort
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Interior
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Safety
✓
✓
✓
/
✓
/
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Infotainment
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
Transmission
Automatic
Automatic
/
✓
Chassis & Steering
Rear Wheel Drive
Rear Wheel Drive
/
✓
/
✓
/
✓
Wheels/brakes
/
✓
/
✓
Key Spec
2.0
2.0
197 BHP
184 BHP
Automatic
Automatic
Gasoline
Gasoline
TBD
TBD
2
4
Exterior
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Engine
2.0
2.0
Gasoline
Gasoline
197 BHP
184 BHP
320
270
Technologies
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Comparison of configuration highlights
Z4 Roadster 2025 xDrive20i
- Audio Controls on Steering Wheel
- Electronic Engine Immobilizer
- Push Button Start
- Temperature Display
- Keyless Entry
- Steering Adjustment
- Number of Airbags
- Runflat Tyres
- Speed Limiter
- EBD (Electronic Brakeforce Distribution)
- ABS
- Active braking
4 Series Coupe 2025 420i M Sport
- Audio Controls on Steering Wheel
- Electronic Engine Immobilizer
- Power Tailgate
- 360 Degree Camera
- Rear Defogger
- Push Button Start
- Temperature Display
- Keyless Entry
- Welcome Light
- Rear Camera
- Steering Adjustment
- Anti-Theft Alarm System
- Number of Airbags
- 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
- No data found
Negative
- No data found
Positive
- No data found
Negative
- No data found
Related comparisons
Editor's Pick4 Series Coupe 2025 420i M Sport
Expert / Editor Recommendation
Choose Z4 Roadster 2025 xDrive20i if you care more about power; choose 4 Series Coupe 2025 420i M Sport if you care more about fuel economy.
Popular Car Comparisons
Q&A
- According to fuel consumption data, Z4 Roadster 2025 xDrive20i has a fuel consumption of 6.13, while 4 Series Coupe 2025 420i M Sport has a fuel consumption of 5.81. Therefore, 4 Series Coupe 2025 420i M Sport is more fuel-efficient.
- In terms of interior space, Z4 Roadster 2025 xDrive20i has a wheelbase of 2470, while 4 Series Coupe 2025 420i M Sport has a wheelbase of 2810. Generally, the model with the longer wheelbase, 4 Series Coupe 2025 420i M Sport, offers more room.
- Check drive type, ground clearance and torque together. Z4 Roadster 2025 xDrive20i uses Rear Wheel Drive, while 4 Series Coupe 2025 420i M Sport uses Rear Wheel Drive.