Audi S6 2024 2.9 TFSI quattro (450 HP) vs A8 55 TFSI quattro (340 HP) Comparison
Car Information
Engine / Motor
250
250 km/h
8
/
Dimensions
5 Seater
5 Seater
4931
5172 mm
1874
1945 mm
1440
1473 mm
2917
2998 mm
530
505 L
Fuel Economy
10.9
12.5 Km/L
63
72 L
/
12.5 Km/L
Comfort
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
✓
✓
/
/
✓
/
✓
Interior
Driver Seat
✓
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
Safety
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
✓
✓
/
✓
/
Infotainment
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
Transmission
✓
/
Automatic
/
Chassis & Steering
✓
/
All Wheel Drive
All Wheel Drive
Key Spec
2.9 L - 4.0 L
3.0 L - 6.3 L
420 BHP - 450 BHP
290 BHP - 520 BHP
Automatic & Manual
Automatic & Manual
Gasoline & Petrol
Gasoline & Petrol
TBD
TBD
5 Seater
4 Seater - 5 Seater
Exterior
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
/
✓
/
✓
Engine
2.9 L
3.0 L
Gasoline
Gasoline
450 BHP
340 BHP
600
500 Nm
Technologies
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
✓
/
/
✓
Comparison of configuration highlights
Audi S6 2024 2.9 TFSI quattro (450 HP)
- Audio Controls on Steering Wheel
- Electronic engine immobilizer
- Power Tailgate
- Rear Defogger
- Push Button Start
- Temperature Display
- Keyless Entry
- Welcome Light
- Seats - Comfort
- Rear Camera
- Steering Adjustment
- Anti-Theft Alarm System
- Collision Detection
- Blind Spot Warning
- 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
- Child Seat Interface (ISOFIX)
- Active braking
A8 55 TFSI quattro (340 HP)
- Parking sensor rear
- Parking sensor front
- Rear Camera
- ABS
Review Comparison
Positive
- No data found
Negative
- No data found
Positive
- No data found
Negative
- No data found
Related comparisons
Expert / Editor Recommendation
Choose Audi S6 2024 2.9 TFSI quattro (450 HP) if you care more about price; choose A8 55 TFSI quattro (340 HP) if you care more about fuel economy.
Popular Car Comparisons
Q&A
- According to fuel consumption data, Audi S6 2024 2.9 TFSI quattro (450 HP) has a fuel consumption of 9.17, while A8 55 TFSI quattro (340 HP) has a fuel consumption of 8. Therefore, A8 55 TFSI quattro (340 HP) is more fuel-efficient.
- In terms of interior space, Audi S6 2024 2.9 TFSI quattro (450 HP) has a wheelbase of 2917, while A8 55 TFSI quattro (340 HP) has a wheelbase of 2998 mm. Generally, the model with the longer wheelbase, A8 55 TFSI quattro (340 HP), offers more room.
- Check drive type, ground clearance and torque together. Audi S6 2024 2.9 TFSI quattro (450 HP) uses All Wheel Drive, while A8 55 TFSI quattro (340 HP) uses All Wheel Drive.