Last Update: Apr. 01, 2020, 5:28 a.m.
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What is Better BMW 7-Series or Porsche Cayenne?

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BMW 7-Series Porsche Cayenne

5 reasons to buy BMW 7-Series

Engine and transmission
More engine power

326 bhp vs 300 bhp

240 kw. vs 220 kw.

8% or 26 bhp. More power of car = more top speed.
More torque 450 nM vs 400 nM 11% or 50 nM. More torque = faster acceleration.
Performance
Faster acceleration from 0 to 60 mph 5.9 sec. vs 7.5 sec. 1.6 sec.
Emissions
Less CO2 emissions 144 g/mile vs 163 g/mile 13% or 19 g/mile
Other specs
Less weight 1860 kg vs 1995 kg 7% or 135 kg Weight of the vehicle affects: fuel consumption, acceleration dynamic, braking distance, etc.

14 reasons to buy Porsche Cayenne

Engine and transmission
Better compression 11.7 vs 10.2 13% or 1.5 . The greater degree of compression = the less fuel need to produce the same power.
Piston diameter larger 89 mm vs 84 mm 6% or 5 mm larger. The larger diameter of cylinder = the greater filling ratio. Cons: increase emissions of toxic substances.
Piston stroke longer 96.4 mm vs 89.6 mm 7% or 6.8 mm. The longer stroke = lower fuel consumption and fewer emissions.
Performance
More top speed 230 mph vs 155 mph 75 mph
Fuel consumption
Less fuel consumption (Combined cycle) 25.19 mpg vs 28.5 mpg 13% or 3.31 mpg
Less fuel consumption (Highway) 33.62 mpg vs 37.22 mpg 11% or 3.6 mpg
Less fuel consumption (City) 17.8 mpg vs 20.5 mpg 15% or 2.7 mpg
Weight and capacity
More minimum boot capacity 670 liters vs 500 liters 25% or 170 liters
More capacity of fuel tank 100 liters vs 82 liters 18% or 18 liters
More maximum allowable weight 2765 kg vs 2505 kg 9% or 260 kg
More maximum bearing capacity 770 kg vs 645 kg 16% or 125 kg
More maximum towing weight with brakes 2700 kg vs 2100 kg 22% or 600 kg
Warranty
More warranty against corrosion 10 years vs 6 years 40% or 4 years
Other specs
Less turning radius 11.9 meters vs 12.2 meters 3% or 0.3 meters

Neutral reasons BMW 7-Series vs. Porsche Cayenne

Engine and transmission
Engine speed (RPM) 5800 RPM vs 6300 RPM 8% or 500 less rpms.
Engine capacity 2979 cm3 vs 3598 cm3 17% or 619 cm3 less
Cylinders location In line vs V6
Camshaft DOHC vs QUAD CAM
Fuel supply With a twin-turbocharged vs Distributor fuel injection
Turbocharging Yes vs Yes
Dimensions
Length 5072 mm vs 4846 mm 4% or 226 mm shorter
Width 1902 mm vs 1939 mm 2% or 37 mm narrower
Height 1479 mm vs 1705 mm 13% or 226 mm lower
Wheels and tires
Wheelbase 3070 mm vs 2895 mm 6% or 175 mm more
Front tires size 245/50 R18 vs 255/55 R18
Rear tires size 245/50 R18 vs 255/55 R18
Spare wheel flat tires vs repair kit
Type of wheels 18" alloy wheels vs 18" alloy wheels
Style of wheels star shaped spokes Style 234 vs CAYENNE
*Specs may vary depending on configurations and year of production(taken parameters of last released versions)