Audi RS 6 Avant quattro VS Mercedes-Benz S-Class S 450 4MATIC Signature Edition VS BMW 7 Series 740i M Sport Edition VS Mercedes-Benz S-Class S 450 4MATIC FL_Comparison

4 Model

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Highlight Differences

2024 Avant quattro

AED 67,500

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2025 S 450 4MATIC Signature Edition

AED 67,500

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2025 740i M Sport Edition

AED 67,500

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2026 S 450 4MATIC FL

AED 67,500

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General Information

 DPV 
 HK$ 2,028,000 
 HK$ 1,720,000 
 HK$ 1,748,920 
 HK$ 1,815,000 

 RP 
 - 
 - 
 HK$ 853,845 
 HK$ 882,328 

Fuel Type

48V Mild Hybrid System(Petrol)

 Body Type 
 Wagon 
 Sedan 
 Sedan 
 Sedan 

 WLTC Fuel Consumption (Combined)[L/100km] 
 - 
 - 
 7.3 
 - 

 Maximum Speed[km/h] 
 - 
 250 
 250 
 250 

 Acceleration 0 - 100km/h[s] 
 - 
 4.7 
 5.4 
 4.9 

 Exterior Color 
    
Grey
    
Blue
    
Obsidian Black
    
Opalite White
    
Silver Green
    
Graphite Gray
    
Black
    
Nautic Blue
    
Rubellite Red
    
High Tech Silver
    
Selenite Grey
    
Emerald Green
    
Velvet Brown
    
Kalahari Gold
    
Alpine White
    
Black Sapphire
    
Mineral White
    
Dravit Grey
    
Tanzanite Blue
    
Oxide Grey
    
Aventurine Red
    
Frozen Pure Grey
    
Frozen Deep Grey
    
Carbon Black
      
Two-Tone Black Sapphire Metallic Paintwork
      
Two-Tone Oxide Grey Metallic Paintwork
    
Obsidian Black
    
Graphite Gray
    
Black
    
Nautic Blue
    
High Tech Silver
    
Velvet Brown
    
Kalahari Gold
    
Pearl White
    
Verdigris
    
Patagonian Red
    
Matte Glazed Porcelain White
    
Warm Gray
    
Jade Green

Interior Color

Black

Black/Grey

Black/Truffle Brown

Lava Grey/Macchiato Beige

Black

Black/Red

Amarone

Smoke White

Mocha

Black

Tartufo

Caramel/Atlas Grey

Taupe Grey/Night Blue

Black/Truffle Brown

Lava Grey/Macchiato Beige

Black

Sales Status

Available for sale

Body

 Length[mm] 
 - 
 5289 
 5391 
 5304 

 Width[mm] 
 - 
 2109 
 1950 
 2123 

 Height[mm] 
 - 
 1503 
 1544 
 1503 

 Wheelbase[mm] 
 - 
 3216 
 3215 
 - 

 Doors 
 - 
 4 
 4 
 4 

 Seats 
 - 
 4 
 5 
 5 

 Minimum Turning Radius[m] 
 - 
 6.4 
 - 
 5.95 

 Fuel Tank[L] 
 - 
 65 
 74 
 76 

 Trunk Capacity[L] 
 - 
 550 
 540 
 530 

 Curb Weight[kg] 
 - 
 2090 
 2165 
 2185 

 Towing Capacity[kg] 
 - 
 - 
 2100 
 - 

Battery/Recharge

 Battery Capacity[kWh] 
 - 
 - 
 0.9 
 - 

Engine

 Displacement[L] 
 - 
 3 
 3 
 3 

 Displacement[mL] 
 - 
 2999 
 2998 
 2999 

 Intake System 
 - 
 Electrically-Assisted Turbocharged 
 Turbocharged 
 Electrically-Assisted Turbocharged 

 Engine Layout 
 - 
 Longitudinal 
 Longitudinal 
 Longitudinal 

 Cylinder Layout 
 - 
 L 
 L 
 L 

 Number of Cylinders 
 - 
 6 
 6 
 6 

 Valves per Cylinder 
 - 
 4 
 4 
 4 

 Valvetrain 
 - 
 DOHC 
 DOHC 
 DOHC 

 Maximum Power[kW] 
 - 
 330 
 280 
 280 

 Maximum Horsepower[Ps] 
 - 
 449 
 381 
 381 

 Maximum Horsepower[hp] 
 - 
 - 
 375 
 - 

 RPM at Max Power[rpm] 
 - 
 - 
 5200-6250 
 - 

 Maximum Torque[N·m] 
 - 
 560 
 520 
 560 

 RPM at Max Torque[rpm] 
 - 
 - 
 1850-5000 
 - 

 Fuel Octane Rating 
 - 
 98 
 - 
 - 

 Emission Standard 
 - 
 Euro 6 
 - 
 - 

Transmission

 Gear Box 
 - 
 9 
 8 
 9 

 Transmission Type 
 - 
 AT 
 AT 
 AT 

Chassis Steering

 Drivetrain 
 - 
 4WD 
 RWD 
 4WD 

 Four Wheel Drive Type 
 - 
 Full-Time Four Wheel Drive 
 None 
 Full-Time Four Wheel Drive 

 Front Suspension Type 
 - 
 Double Track Control Arm Suspension 
 Double Track Control Arm Suspension 
 Double Track Control Arm Suspension 

 Rear Suspension Type 
 - 
 Multi-Link Independent Suspension 
 Multi-Link Independent Suspension 
 Multi-Link Independent Suspension 

Wheel Braking

 Brakes Front 
 - 
 Ventilated Disc 
 Ventilated Disc 
 Ventilated Disc 

 Brakes Rear 
 - 
 Ventilated Disc 
 Ventilated Disc 
 Ventilated Disc 

 Parking Brake 
 - 
 Electronic Parking Brake 
 Electronic Parking Brake 
 Electronic Parking Brake 

 Front Tires 
 - 
 R19 
 R19 
 - 

 Rear Tires 
 - 
 R19 
 R19 
 - 

Active Safety

 ABS 
 - 
 ● 
 - 
 ● 

 Brakeforce Distribution (EBD/CBC, etc.) 
 - 
 ● 
 - 
 ● 

 Brake Assistant System (BA/EBA/BAS, etc.) 
 - 
 ● 
 - 
 ● 

 Traction Control System (ASR/TCS/TRC, etc.) 
 - 
 ● 
 - 
 ● 

 Electronic Stability Program (ESP/DSC/VSC, etc.) 
 - 
 ● 
 - 
 ● 

 Seatbelt Reminder 
 - 
 ●Available 
 - 
 ●Available 

 Tire-pressure Monitoring System (TPMS) 
 - 
 ●Tire-pressure Display 
 - 
 ●Tire-pressure Display 

Passive Safety

 Driver Airbag 
 - 
 ● 
 - 
 ● 

 Front Passenger Airbag 
 - 
 ● 
 - 
 ● 

 First-row Side Airbag 
 - 
 ● 
 - 
 ● 

 Second-row Side Airbag 
 - 
 ○ 
 - 
 ● 

 Side Curtain Airbag 
 - 
 ● 
 - 
 ● 

 Rear-row Inflatable Seatbelt 
 - 
 ○ 
 - 
 - 

 Central Airbag 
 - 
 - 
 - 
 ●First Row 

 Child Seat Interface 
 - 
 ● 
 - 
 ● 

Assistance/Control Features

 Front Parking Sensor 
 - 
 ● 
 - 
 ● 

 Rear Parking Sensor 
 - 
 ● 
 - 
 ● 

 Door Open Warning 
 - 
 - 
 - 
 ● 

 Driver Assistance Camera 
 - 
 ●360° Surround View Camera 
 - 
 ●360° Surround View Camera 

 Cruise Control 
 - 
 ●Full-speed ACC 
 - 
 ●ACC 

 Automatic Parking 
 - 
 ● 
 - 
 - 

 Integral Active Steering 
 - 
 ○ 
 - 
 ● 

ADAS Features

 Lane Change Assist (BSM/BSD) 
 - 
 ● 
 - 
 ● 

 Lane Departure Warning System (LDWS) 
 - 
 ● 
 - 
 ● 

 Lane Keeping Assist System (LKAS) 
 - 
 ● 
 - 
 ● 

 Lane Centering Assist (LCA) 
 - 
 ● 
 - 
 - 

 Traffic-sign Recognition (TSR) 
 - 
 ● 
 - 
 - 

 Forward Collision Warning (FCW) 
 - 
 ● 
 - 
 ● 

 Rear Collision Warning (RCW) 
 - 
 ● 
 - 
 - 

 Autonomous Emergency Braking (AEB) 
 - 
 ● 
 - 
 ● 

 Forward Cross Traffic Warning 
 - 
 ● 
 - 
 - 

 Forward Cross Traffic Braking 
 - 
 ● 
 - 
 - 

ADAS Hardware

 Autonomous Driving Levels 
 - 
 ●L2 
 - 
 ●L2 

 Surround-View Camera 
 - 
 ●4 
 - 
 ●4 

External Features

 Roof 
 - 
 ●Segmented Electric Sunroof 
 - 
 ●Segmented Electric Sunroof 

 Wheel Rim 
 - 
 ●Aluminum Alloy 
 - 
 ●Aluminum Alloy 

 Electric Suction Door 
 - 
 ●Available 
 - 
 ●Available 

 Key 
 - 
 ●Remote Key 
 - 
 ●Remote Key<br>●Bluetooth Key 

 Keyless Start 
 - 
 ● 
 - 
 - 

 Keyless Entry 
 - 
 ●Available 
 - 
 - 

 Hidden Electric Door Handles 
 - 
 ● 
 - 
 - 

 Power Tailgate 
 - 
 ● 
 - 
 - 

 Hands-free Tailgate 
 - 
 ● 
 - 
 - 

Interior Features

 Steering Wheel 
 - 
 ●Genuine Leather 
 - 
 ●Genuine Leather 

 Steering Wheel Adjustment 
 - 
 ●Electrical Up/Down + Forward/Backward<br>●Memory 
 - 
 ●Electrical Up/Down + Forward/Backward<br>●Memory 

 Gear Shift 
 - 
 Electronic Column Shifter 
 - 
 Electronic Column Shifter 

 Multifunction Steering Wheel 
 - 
 ● 
 - 
 ● 

 Instrument Cluster Screen 
 - 
 ●Color 
 - 
 ●Color 

 LCD Instrument Cluster 
 - 
 ● 
 - 
 ● 

 HUD 
 - 
 ○AR-HUD 
 - 
 ●W-HUD 

 Wireless Phone Charging 
 - 
 ●Second Row<br>●First Row 
 - 
 ●First Row<br>●Second Row 

Seat Features

 Seat Material 
 - 
 ●Leather 
 - 
 ●Leather 

 Seat Layout 
 - 
 ●2+2 
 - 
 ●2+3 

 Power Seat (Driver) 
 - 
 ●Memory Adjustment 
 - 
 ●Memory Adjustment 

 Power Seat (Front Passenger) 
 - 
 ●Memory Adjustment 
 - 
 ●Memory Adjustment 

 Seat Adjustment (Driver) 
 - 
 ●Forward/Backward<br>●Backrest Adjustment<br>●Height Adjustment (4-Way)<br>●Lumbar Adjustemnt (4-Way) 
 - 
 ●Forward/Backward<br>●Backrest Adjustment<br>●Height Adjustment (4-Way)<br>●Lumbar Adjustemnt (4-Way) 

 Seat Adjustment (Front Passenger) 
 - 
 ●Forward/Backward<br>●Backrest Adjustment<br>●Height Adjustment (4-Way)<br>●Lumbar Adjustemnt (4-Way)<br>○Side Bolsters<br>○Shoulder Adjustment 
 - 
 ●Forward/Backward<br>●Backrest Adjustment<br>●Height Adjustment (4-Way)<br>●Lumbar Adjustemnt (4-Way) 

 First-row Seat 
 - 
 ○Heating<br>○Ventilation 
 - 
 ●Heating 

 Boss Mode Button 
 - 
 ● 
 - 
 ● 

 Power Seat (Second Row) 
 - 
 ●Memory Adjustment 
 - 
 ●Memory Adjustment 

 Seat Adjustment (Second Row) 
 - 
 ●Backrest Adjustment<br>○Lumbar Support Adjustment<br>○Lumbar Adjustemnt (4-Way)<br>○Leg Rest Adjustment 
 - 
 ●Backrest Adjustment 

 Second-row Seat 
 - 
 ○Heating<br>○Massage<br>○Ventilation 
 - 
 ●Heating 

 Central Armrest 
 - 
 ●First Row<br>●Second Row 
 - 
 ●First Row<br>●Second Row 

Infotainment System/Connectivity

 Center Console Screen Size[inches] 
 - 
 ●12.8 
 - 
 - 

 Bluetooth/Car Phone 
 - 
 ● 
 - 
 ● 

 Mobile Phone Interconnection/Mapping 
 - 
 ●CarPlay 
 - 
 - 

Multimedia System

 Multimedia/Charging Port 
 - 
 ●Type-C 
 - 
 ●Type-C 

 Rear-row Multimedia Control 
 - 
 ● 
 - 
 ○ 

 Number of Rear-row Multimedia Screens 
 - 
 ●2 
 - 
 - 

 Rear-row Entertainment Screen Size[inches] 
 - 
 ●11.6 
 - 
 - 

 Audio Brand 
 - 
 ●Burmester 
 - 
 ●Burmester 

 Number of Speakers 
 - 
 ●15<br>○31 HK$ 0 
 - 
 - 

Lighting Functions

 Low Beam 
 - 
 ●LED 
 - 
 ●LED 

 High Beam 
 - 
 ●LED 
 - 
 ●LED 

 Special Headlight 
 - 
 ●Geometric Multi-beam Headlight<br>○Pixel LED Headlight 
 - 
 ●Pixel LED Headlight 

 LED Daytime Running Lights 
 - 
 ● 
 - 
 ● 

 Headlight Function 
 - 
 ●Height Adjustment<br>●Automatic On/Off<br>●Adaptive High/Low Beams 
 - 
 ●Height Adjustment<br>●Automatic On/Off<br>●Adaptive High/Low Beams<br>●Delay off 

 Ambient Lighting 
 - 
 ●Multicolor 
 - 
 ●Multicolor 

 Active Ambient Lighting 
 - 
 ○ 
 - 
 ● 

Glass/Rearview Mirror

 First-row Power Windows 
 - 
 ● 
 - 
 ● 

 Second-row Power Windows 
 - 
 ● 
 - 
 ● 

 One-Touch Power Windows 
 - 
 ●All Seats 
 - 
 ●All Seats 

 Anti-pinch Mechanism 
 - 
 ●All Seats 
 - 
 ●All Seats 

 Soundproof Glass 
 - 
 ○All Seats 
 - 
 ●Available 

 Side Mirrors 
 - 
 - 
 - 
 ●Electric Adjustment<br>●Electric Folding<br>●Auto Fold on Lock 

 Rear Side Sunshades 
 - 
 ●Electric 
 - 
 ●Electric 

 Rear Window Sunshades 
 - 
 ● 
 - 
 ● 

 Rain-sensing Windshield Wipers 
 - 
 - 
 - 
 ●Available 

Air Conditioning/Cooling

 First-row A/C 
 - 
 ●Dual-zone Automatic A/C 
 - 
 ●Dual-zone Automatic A/C 

 Second-row A/C 
 - 
 ●Dual-zone Automatic A/C 
 - 
 ●Dual-zone Automatic A/C 

 Air Quality Monitoring 
 - 
 ○ 
 - 
 - 

 PM2.5 Filter 
 - 
 ○ 
 - 
 - 

 Air Purifier 
 - 
 ○ 
 - 
 - 

 Fragrance System 
 - 
 ○ 
 - 
 - 

 Refrigerator 
 - 
 ○ 
 - 
 - 