5 Series 2025 520i vs Audi A4 2018 S4 (354 HP) Comparison
Car Information
Engine / Motor
235
250
4
4
Dimensions
5
5 Seater
4963
4.745
2126
1.842
1497
1.404
2968
2.820
520
480
/
✓
Fuel Economy
6.1
13.7
70
58
Comfort
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Interior
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
✓
✓
✓
✓
/
✓
✓
✓
/
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Safety
✓
✓
✓
/
✓
/
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Infotainment
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
Transmission
Automatic
Automatic
/
✓
Chassis & Steering
✓
/
✓
/
✓
/
Rear Drive
All Wheel Drive
/
✓
Wheels/brakes
✓
/
Key Spec
2.0 L - 2.0 L
0.0 L - 4.2 L
184 BHP - 523
120 BHP - 450 BHP
8-speed automatic & 8-speed automatic (Steptronic) & 8-speed automatic transmission & 8-speed Steptronic Sport automatic & Automatic
Automatic & CVT & Manual
Gasoline
Gasoline & Petrol
TBD
TBD
5
4 Seater - 5 Seater
Exterior
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Engine
2.0
3.0 L
Gasoline
Petrol
184 BHP
354 BHP
290
500
Technologies
✓
/
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
Motor
/
N/A
Comparison of configuration highlights
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
Audi A4 2018 S4 (354 HP)
- Audio Controls on Steering Wheel
- Electronic Engine Immobilizer
- Power Tailgate
- 360 Degree Camera
- Rear Defogger
- Push Button Start
- Temperature Display
- Keyless Entry
- Welcome Light
- Seats - Comfort
- Rear Camera
- Steering Adjustment
- Anti-Theft Alarm System
- Number of Airbags
- Advanced Air Bags System (AABS)
- Blind Spot Warning
- Knee Bag - Driver
- Speed Limiter
- Crash Auto Door Unlock
- Auto Door Lock
- Door Mirrors with Side Turn Signal
- Parking Sensors - Front and Rear
- EBD (Electronic Brakeforce Distribution)
- ABS
- Traction Control System (TCS / ASR, etc.)
- Vehicle Stability System (ESP/DSC, etc.)
- Child Seat Interface (ISOFIX)
- Active braking
Review Comparison
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
Positive
- No data found
Negative
- No data found
Related comparisons
Expert / Editor Recommendation
Choose 5 Series 2025 520i if you care more about price; choose Audi A4 2018 S4 (354 HP) if you care more about fuel economy.
Popular Car Comparisons
Q&A
- According to fuel consumption data, 5 Series 2025 520i has a fuel consumption of 16.39, while Audi A4 2018 S4 (354 HP) has a fuel consumption of 7.3. Therefore, Audi A4 2018 S4 (354 HP) is more fuel-efficient.
- In terms of interior space, 5 Series 2025 520i has a wheelbase of 2968, while Audi A4 2018 S4 (354 HP) has a wheelbase of 2.820. Generally, the model with the longer wheelbase, 5 Series 2025 520i, offers more room.
- Check drive type, ground clearance and torque together. 5 Series 2025 520i uses Rear Drive, while Audi A4 2018 S4 (354 HP) uses All Wheel Drive.