Vehicle Overview
Key specifications and features at a glance
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
| Specification | A8 S8 | Passat Highline |
|---|---|---|
| Engine Capacity | 3996 | 1789 |
| Engine Code | EA825 | — |
| Cylinder Configuration | V | Inline-4 |
| Number of Cylinders | 8 | 4 |
| Aspiration | Twin-turbocharged | Turbocharged |
| Power | 420 | 132 |
| Torque | 800 | 250 |
| Top Speed | 250 | 220 |
| Drive Type | AWD | FWD |
| Fuel Economy City | 14.5 | 11 |
| Fuel Economy Highway | 8.2 | 13 |
| Fuel Economy Combined | 11.4 | 12 |
| Emission Standard | Euro 6 | Euro 6 |
| Tyre Size | 265 / 35 R21 front; 305 / 30 R21 rear | 215 / 55 R17 |
| Wheel Size | 21 | 17 |
| Number of Doors | 4 | 4 |
| Seating Capacity | 5 | 5 |
| Front Brakes | Ventilated disc | Ventilated Disc |
| Rear Brakes | Ventilated disc | Solid Disc |
| Front Suspension | Five-link adaptive air suspension | MacPherson Strut |
| Rear Suspension | Five-link adaptive air suspension | Multi-Link |
| Steering Type | Electric rack and pinion | Electric Power Steering |
| Number of Airbags | 8 | 3 |
| Towing Capacity | 2300 | — |
| Turning Circle | 12.5 | 11.6 |
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
| Dimension | A8 S8 | Passat Highline |
|---|---|---|
| Fuel Tank Capacity | 82 | 70 |
| Length | 5190 | 4769 |
| Width | 1945 | 1820 |
| Height | 1474 | 1470 |
| Wheelbase | 2998 | 2712 |
| Ground Clearance | 120 | 145 |
| Kerb Weight | 2230 | 1550 |
| Boot Space | 505 | 586 |
Features Comparison
Standard and optional equipment comparison
Safety
| Feature | A8 S8 | Passat Highline |
|---|---|---|
| Adaptive Cruise Control | ||
| Autonomous Emergency Braking | ||
| Lane Departure Warning | ||
| Lane Keep Assist | ||
| Blind Spot Monitoring | ||
| Rear Cross Traffic Alert | ||
| Traffic Sign Recognition | ||
| Driver Attention Monitor | ||
| Front Parking Sensors | ||
| Rear Parking Sensors | ||
| 360 Camera | ||
| Reverse Camera | ||
| Hill Start Assist | ||
| Tyre Pressure Monitoring System | ||
| Rear Occupant Alert |
Comfort
| Feature | A8 S8 | Passat Highline |
|---|---|---|
| Keyless Entry | ||
| NFC Keyless Entry | ||
| Push Button Start | ||
| Dual-Zone Climate Control | ||
| Tri-Zone Climate Control | ||
| Heated Front Seats | ||
| Ventilated Front Seats | ||
| Heated Steering Wheel | ||
| Power Tailgate | ||
| Remote Start | ||
| Power Driver Seat | ||
| Power Passenger Seat | ||
| Memory Seats | ||
| Auto Dimming Mirror | ||
| Rain Sensing Wipers | ||
| Adaptive Headlights |
Interior Exterior
| Feature | A8 S8 | Passat Highline |
|---|---|---|
| Leather Seats | ||
| Fabric Seats | ||
| Ambient Lighting | ||
| Sunroof | ||
| Panoramic Roof | ||
| LED Headlights | ||
| Matrix LED Headlights | ||
| Daytime Running Lights | ||
| Alloy Wheels | ||
| Roof Rails | ||
| Rear Privacy Glass | ||
| Power Folding Mirrors |
Technology
| Feature | A8 S8 | Passat Highline |
|---|---|---|
| Touchscreen Display | ||
| Digital Instrument Cluster | ||
| Apple CarPlay | ||
| Android Auto | ||
| Wireless Apple CarPlay | ||
| Wireless Android Auto | ||
| Wireless Phone Charging | ||
| Built-in Navigation | ||
| Premium Audio System | ||
| Head-Up Display | ||
| USB-C Ports | ||
| Bluetooth Connectivity | ||
| Voice Control | ||
| Connected Car App |
Pros & Cons
Strengths and weaknesses of each vehicle
Audi A8 S8
Pros
- +Exceptional 420 kW V8 performance
- +Strong quattro traction
- +Luxury executive cabin
- +Adaptive air suspension comfort
- +Discreet high-performance styling
Cons
- −Extremely high fuel use
- −Very expensive running costs
- −Large tyres are costly
- −Complex systems need specialists
- −Performance exceeds most road needs
Volkswagen Passat Highline
Pros
- +Spacious premium sedan cabin
- +Large 586-litre boot
- +Strong 1.8 TSI performance
- +Comfortable long-distance ride
- +Good highway fuel economy
Cons
- −Very high used-market price
- −Costly DSG maintenance
- −Low ground clearance
- −Parts availability is limited
- −No official new-car support
Which one should you buy?
Best for Performance: Audi A8 S8
System power around 420 kW supports a solid performance score.
Best for Practicality / Space: Volkswagen Passat Highline
Boot and practicality-related dimensions score well for everyday use.
Best Overall: Audi A8 S8
Across performance, value, efficiency, and practicality, this variant shows a balanced overall profile.
Our Recommendation
Choose Audi A8 S8 if: You prioritise performance and responsive power.
Choose Volkswagen Passat Highline if: Space, seating, and everyday practicality come first.
Bottom Line: Audi A8 S8 leads on performance and Volkswagen Passat Highline leads on practicality.
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