Vehicle Overview
Key specifications and features at a glance
Year2019 - Present
Engine3996
Power471
FuelPetrol
TransmissionAutomatic
Seating5
Year2018 - Present
Engine2989
Power270
FuelDiesel
TransmissionAutomatic
Seating5
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
| Specification | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| Engine Capacity | 3996 | 2989 |
| Engine Code | EA825 | OM656 |
| Cylinder Configuration | V8 | Inline |
| Number of Cylinders | 8 | 6 |
| Aspiration | Twin-turbocharged | Turbocharged |
| Power | 471 | 270 |
| Torque | 850 | 750 |
| Top Speed | 250 | 210 |
| Drive Type | AWD | 4WD |
| Fuel Economy Combined | 12.2 | 8.7 |
| Emission Standard | Euro 6e | Euro 6 |
| Tyre Size | 295 / 35 R23 | 265 / 60 R18 |
| Wheel Size | 23 | 18 |
| Number of Doors | 5 | 5 |
| Seating Capacity | 5 | 5 |
| Front Brakes | Ceramic disc | Ventilated discs |
| Rear Brakes | Ceramic disc | Ventilated discs |
| Front Suspension | Multi-link adaptive air suspension | Independent double wishbone with adaptive damping |
| Rear Suspension | Multi-link adaptive air suspension | Rigid axle with adaptive damping |
| Steering Type | Electric power steering | Electric rack and pinion |
| Number of Airbags | 8 | 9 |
| Towing Capacity | 3500 | 3500 |
| Turning Circle | — | 13.6 |
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
| Dimension | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| Fuel Tank Capacity | 85 | 100 |
| Length | 5022 | 4825 |
| Width | 2007 | 1931 |
| Height | 1699 | 1973 |
| Wheelbase | 2998 | 2890 |
| Ground Clearance | — | 241 |
| Kerb Weight | 2487 | 2555 |
| Boot Space | 605 | 640 |
Features Comparison
Standard and optional equipment comparison
Safety
| Feature | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| 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 | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| 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 | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| 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 | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| 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 |
Diesel Utility
| Feature | RS Q8 Performance | G-Class G 450 d |
|---|---|---|
| Trailer Sway Control | ||
| Side Steps | ||
| Tow Bar Prep |
Pros & Cons
Strengths and weaknesses of each vehicle
Audi RS Q8 Performance
Pros
- +Exceptional 471 kW V8 output
- +Rapid 3.6-second acceleration
- +Standard ceramic braking system
- +Practical 605-litre boot
- +Excellent 3500 kg towing capacity
Cons
- −Costs over a quarter-million dollars
- −Very high fuel consumption
- −Ceramic brakes are costly to replace
- −Large size for city parking
- −Expensive 23-inch tyres
Mercedes-Benz G-Class G 450 d
Pros
- +Powerful and efficient six-cylinder diesel
- +Excellent 3500 kg towing capacity
- +Three locking differentials and low range
- +Premium five-seat cabin
- +Strong long-distance touring ability
Cons
- −Very high purchase price
- −Large dimensions for urban parking
- −Heavy kerb weight
- −Expensive servicing and tyres
- −No independent ANCAP rating
Which one should you buy?
Best for Performance: Audi RS Q8 Performance
System power around 471 kW supports a solid performance score.
Best Overall: Audi RS Q8 Performance
Across performance, value, efficiency, and practicality, this variant shows a balanced overall profile.
Our Recommendation
Choose Audi RS Q8 Performance if: You prioritise performance and responsive power.
Choose Mercedes-Benz G-Class G 450 d if: You prioritise performance and responsive power.
Bottom Line: Audi RS Q8 Performance leads on performance.
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