Vehicle Overview
Key specifications and features at a glance
Year2022 - Present
Engine2998
Power294
FuelPetrol
TransmissionAutomatic
Seating5
Year2020 - Present
Engine3982
Power393
FuelPetrol
TransmissionAutomatic
Seating5
Detailed Specifications
Complete technical specifications comparison
Best comparable values are highlighted in green.
| Specification | 7 Series 740i | S-Class S 580 |
|---|---|---|
| Engine Capacity | 2998 | 3982 |
| Engine Code | B58 | — |
| Cylinder Configuration | Inline | V |
| Number of Cylinders | 6 | 8 |
| Aspiration | Turbocharged | Twin-turbocharged |
| Power | 294 | 393 |
| Torque | 580 | 750 |
| Top Speed | 250 | 250 |
| Drive Type | RWD | AWD |
| Fuel Economy Combined | 7.9 | 10.6 |
| Emission Standard | Euro 6 | — |
| Tyre Size | 255 / 40 R21 front; 285 / 35 R21 rear | 255 / 40 R20 front; 285 / 35 R20 rear |
| Wheel Size | 21 | 20 |
| Number of Doors | 4 | 4 |
| Seating Capacity | 5 | 5 |
| Front Brakes | Ventilated disc | Ventilated disc |
| Rear Brakes | Ventilated disc | Ventilated disc |
| Front Suspension | Double wishbone adaptive air suspension | Multi-link air suspension |
| Rear Suspension | Multi-link adaptive air suspension | Multi-link air suspension |
| Steering Type | Electric power steering | Electric power steering |
| Number of Airbags | — | 10 |
| Towing Capacity | 2100 | 2100 |
| Turning Circle | 12.3 | 12.8 |
Dimensions & Weight
Physical specifications and measurements
Best comparable values are highlighted in green.
| Dimension | 7 Series 740i | S-Class S 580 |
|---|---|---|
| Fuel Tank Capacity | 74 | 76 |
| Length | 5391 | 5180 |
| Width | 1950 | 1921 |
| Height | 1544 | 1503 |
| Wheelbase | 3215 | 3106 |
| Ground Clearance | — | 130 |
| Kerb Weight | 2165 | 2225 |
| Boot Space | 540 | 535 |
Features Comparison
Standard and optional equipment comparison
Safety
| Feature | 7 Series 740i | S-Class S 580 |
|---|---|---|
| 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 | 7 Series 740i | S-Class S 580 |
|---|---|---|
| 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 | 7 Series 740i | S-Class S 580 |
|---|---|---|
| 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 | 7 Series 740i | S-Class S 580 |
|---|---|---|
| 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
BMW 7 Series 740i
Pros
- +Exceptional rear-seat comfort
- +Powerful six-cylinder performance
- +Spacious 540 litre boot
- +Advanced cabin technology
- +Refined long-distance ride
Cons
- −Very high purchase price
- −Large for city parking
- −Expensive servicing and tyres
- −No ANCAP rating
- −Fuel use is substantial
Mercedes-Benz S-Class S 580
Pros
- +Powerful V8 performance
- +Outstanding cabin refinement
- +Excellent rear-seat comfort
- +Advanced air suspension
- +Strong all-weather traction
Cons
- −Extremely expensive
- −High fuel consumption
- −Very costly insurance
- −Large and heavy
- −Expensive tyres and brakes
Which one should you buy?
Best for Performance: Mercedes-Benz S-Class S 580
System power around 393 kW supports a solid performance score.
Best Overall: Mercedes-Benz S-Class S 580
Across performance, value, efficiency, and practicality, this variant shows a balanced overall profile.
Our Recommendation
Choose BMW 7 Series 740i if: You prioritise performance and responsive power.
Choose Mercedes-Benz S-Class S 580 if: You prioritise performance and responsive power.
Bottom Line: Mercedes-Benz S-Class S 580 leads on performance.
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