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BMW 7 Series Vs Mercedes-Benz S-Class Vs Porsche Cayenne comparison

  • BMW 7 Series
BMW 7 Series Price
Mercedes-Benz S-Class Price
Porsche Cayenne Price
Ex-Showroom Price
New Delhi
₹ 1.22 Crore
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₹ 1.38 Crore
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₹ 1.19 Crore
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BMW 7 Series Vs Mercedes-Benz S-Class Vs Porsche Cayenne Comparison: Which Car is Better?

Trying to figure out which of these cars to buy? Compare the 7 Series Vs S-Class Vs Cayenne on carandbike to make an informed buying decision as to which car to buy in 2021. This comparison has been carried out on the basis of prices, engine specifications, mileage, and features of these cars.

7 Series Vs S-Class Vs Cayenne – Which model is Cheapest?

The ex-showroom price of the Petrol BMW 7 Series in New Delhi starts at ₹ 1.35 Crore and goes up to ₹ 2.43 Crore for the fully-loaded Petrol model. The base Diesel version of the BMW 7 Series costs ₹ 1.22 Crore, whereas the BMW 7 Series Diesel top-end costs ₹ 1.35 Crore. On the other hand, Mercedes-Benz S-Class price in New Delhi of base variant starts at ₹ 1.44 Crore. The base Diesel model of the Mercedes-Benz S-Class costs ₹ 1.38 Crore, whereas the Diesel top-end of Mercedes-Benz S-Class comes with a price tag of ₹ 1.51 Crore Lastly, the Petrol Porsche Cayenne starts at ₹ 1.19 Crore and goes up to ₹ 1.92 Crore for the fully-loaded Petrol model.

SummaryBMW 7 SeriesMercedes-Benz S-ClassPorsche Cayenne
Price₹ 1.22 Crore₹ 1.38 Crore₹ 1.19 Crore
Body TypeSedanSedanSUV
Mileage17.66 Km/l13.50 Km/l9.80 Km/l
Power261 bhp282 bhp335 bhp
Engine2993 CC2925 CC2996 CC
Fuel TypeDieselDieselPetrol

7 Series Vs S-Class Vs Cayenne – Which gives Better Mileage?

As for the claimed fuel efficiency, the BMW 7 Series base Petrol engine returns 8 Km/l, whereas the base diesel returns 18 Km/l. The Mercedes-Benz S-Class base Petrol returns 10 Km/l, whereas its base Diesel counterpart gives 14 Km/l of fuel efficiency. The Porsche Cayenne Petrol basic model, on the other hand, gives 9 Km/l.

7 Series Vs S-Class Vs Cayenne – Which has a Better Engine Efficiency?

In the powertrain department, the BMW 7 Series gets 2 Petrol 335, 601 bhp engines and 261 bhp Diesel engine, whereas the Mercedes-Benz S-Class comes in 362 bhp Petrol engine and 282 bhp Diesel engine. Lastly, the Porsche Cayenne is offered in 2 Petrol 335, 541 bhp engines.


Engine Type TwinPower Turbo 6-cylinder Engine3.0-Litre, V6 Diesel Engine 3.0-litre Single-turbo V6
Displacement (CC) 2993 CC2925 CC2996 CC
No Of Cylinder 666
Power 261 bhp@4000 rpm282 bhp@3400-4600 rpm335 bhp@5300 -6400 rpm
Torque 620 Nm@2000-2500 rpm600 Nm@1200-3200 rpm550 Nm@1340-5300 rpm


Length 5260 mm5255 mm4918 mm
Width 2169 mm1899 mm1983 mm
Height 1479 mm1494 mm1696 mm
Wheelbase 3210 mm3165 mm2895 mm
Ground Clearance 152 mm109 mm215 mm
Boot Space 500 L530 L1780 L
Kerb Weight 1950 Kg2132 Kg2160 Kg
Gross Weight 2530 Kg2690 Kg2830 Kg
Front Track 1611 mm1624 mmN/A
Rear Track 1650 mm1637 mmN/A
Minimum Turning Radius 6.25 m6.15 mN/A
No. Of Doors 445
Seating Capacity 555


No. of gears AutomaticAutomaticAutomatic
Clutch Type N/AN/AN/A

Wheels & Tyres

Wheel Type Alloy WheelsAlloy WheelsAlloy Wheels
Tyre Type Tubeless, RadialTubeless RadialTubeless, Radial
Front Tyre Size 245/50 R18245/45 R18255/55 ZR 19
Rear Tyre Size 245/50 R18275/40 R18275/50 ZR 19

Braking System

Front Brake Type Ventilated DiscVentilated DiscVentilated Disc
Rear Brake Type DiscVentilated DiscVentilated Disc


Front Suspension Adaptive 2-axle Air SuspensionAirmatic SuspensionAluminium Multi-link
Rear Suspension Adaptive 2-axle Air SuspensionAirmatic SuspensionAluminium Multi-link

Fuel Efficiency

Mileage City N/AN/AN/A
Mileage Highway N/AN/AN/A
Mileage 17.66 Km/l13.50 Km/l9.80 Km/l
Fuel Tank Capacity


Power Steering
Steering Type Electric Power SteeringElectric Power SteeringHydraulic Power Steering
Adjustable Power Steering


Performance 0 To 100 Kmph 6.2 seconds6.0 seconds6.2 seconds
Max Speed 250250245

Safety & Security

Passenger Airbagstickticktick
Side Airbagstickticktick
Electronic Brakeforce Distributiontickticktick
Brake Assisttickticktick
Hill Assisttickticktick
Electronic Stability Programtickticktick
Tractional Controltickticktick
Engine Immobilizertickticktick
Central Lockingtickticktick
Child Safety Locktickticktick
Power Door Locktickticktick
Automatic Headlampstickticktick
Cornering Lightstickticktick
Turn Indicators On ORVMtickticktick
Rear Wipercrosscrosstick
Rain Sensing Wiperstickticktick
Headlight Washersticktickcross
Headlamp Beam Adjustertickticktick
360 Cameracrosstick-
Active Blind Spot Assistcrosstick-
Active Braking Assistcrosstick-
Adaptive Highbeam Assist Pluscrosstick-
Tyre Pressure Monitoring Systemcrosstick-

Comfort & Convenience

Air Conditioner4-Zone Climate Control4-Zone Luxury Automatic Climate Control4-Zone Climate Control
Steering AdjustmentTilt & TelescopicTilt & TelescopicTilt & Telescopic
Steering Mounted Audiotickticktick
Paddle Shifttickticktick
Cruise Controltickticktick
Power Outlets 12Vtickticktick
Rear Parking Sensortickticktick
Rear Parking Cameratickticktick
Electrically Adjustable Rear View Mirrortickticktick
Push Start Stop Buttontickticktick
Height Adjustable Driver Seattickticktick
Lumbar Supporttickticktick
Front Armresttickticktick
Rear Armresttickticktick
UpholsteryLeather DakotaLeatherLeather
Front Cup Holderstickticktick
Keyless Entrytickticktick
Climate Controltickticktick
Climatised rear seatscrosstick-
Navigation Connectivity packagecrosstick-
Sun Protection packagecrosstick-
Wireless charging for mobile phones in the rearcrosstick-


Front Fog Lampstickticktick
Rear Fog Lampstickticktick

Instrumentation & Communication

Distance To Emptytickticktick
Average Fuel Efficiency Indicatortickticktick
Seat Belt Warningtickticktick
Low Fuel Warningtickticktick
Door Ajar Warningtickticktick
GPS Navigationtickticktick
Emergency callcrosstick-


Music Systemtickticktick
CD/DVD Playertickticktick
Internal Memorytickticktick
USB Supporttickticktick
Bluetooth Supporttickticktick


Expert Reviews

Competitor of BMW 7 Series

Competitor of Mercedes-Benz S-Class

Competitor of Porsche Cayenne

Disclaimer: carandbike team has taken the utmost care to ensure the accuracy of the information provided above, however, we recommend that you contact the manufacturer or your nearest dealership to confirm the details. carandbike cannot be held liable for any direct or indirect damage/loss.