Last Update: Apr. 09, 2020, 5:42 a.m.
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What is Better BMW 7-Series or Mercedes-Benz S-Class?

Comparing BMW 7-Series with Mercedes-Benz S-Class might help buyers make it clear which car is worth buying. Our research revealed 8 ideas to choose BMW 7-Series - it's beating Mercedes-Benz S-Class, according to the arguments. But Mercedes-Benz S-Class also possesses many pluses: look at 12 factors why it's beating BMW 7-Series. We found major options of BMW 7-Series and Mercedes-Benz S-Class that were employed when matching. Anyway S-Class is uneasy to call a worse model, as Mercedes-Benz gave out a great deal of money in the development.

Exterior

BMW 7-Series Mercedes-Benz S-Class

8 reasons to buy BMW 7-Series

Engine and transmission
More valves per cylinder 4 vs 3 1 more valves per cylinder. The more valves = the better combustion of the fuel.
Better compression 10.2 vs 9.0 12% or 1.2 . The greater degree of compression = the less fuel need to produce the same power.
Piston diameter larger 84 mm vs 82.6 mm 2% or 1.4 mm larger. The larger diameter of cylinder = the greater filling ratio. Cons: increase emissions of toxic substances.
Emissions
Less CO2 emissions 144 g/mile vs 208 g/mile 44% or 64 g/mile
Weight and capacity
More maximum bearing capacity 645 kg vs 435 kg 33% or 210 kg
Service cycle
More service interval - Mileage 31075 miles vs 15538 miles 50% or 15537 miles
Other specs
Less weight 1860 kg vs 2275 kg 22% or 415 kg Weight of the vehicle affects: fuel consumption, acceleration dynamic, braking distance, etc.
Less turning radius 12.2 meters vs 12.22 meters 0% or 0.020000000000001 meters

12 reasons to buy Mercedes-Benz S-Class

Engine and transmission
More cylinders 12 vs 6 6 more cylinders. The more cylinders = the less vibration and the engine runs more smoothly.
Piston stroke longer 93 mm vs 89.6 mm 4% or 3.4 mm. The longer stroke = lower fuel consumption and fewer emissions.
More engine power

630 bhp vs 326 bhp

463 kw. vs 240 kw.

48% or 304 bhp. More power of car = more top speed.
More torque 1000 nM vs 450 nM 55% or 550 nM. More torque = faster acceleration.
Performance
Faster acceleration from 0 to 60 mph 4.4 sec. vs 5.9 sec. 1.5 sec.
Fuel consumption
Less fuel consumption (Combined cycle) 19.8 mpg vs 28.5 mpg 44% or 8.7 mpg
Less fuel consumption (Highway) 28.5 mpg vs 37.22 mpg 31% or 8.72 mpg
Less fuel consumption (City) 13 mpg vs 20.5 mpg 58% or 7.5 mpg
Weight and capacity
More minimum boot capacity 550 liters vs 500 liters 9% or 50 liters
More capacity of fuel tank 90 liters vs 82 liters 9% or 8 liters
More maximum allowable weight 2710 kg vs 2505 kg 8% or 205 kg
Warranty
More warranty against corrosion 30 years vs 6 years 80% or 24 years

Neutral reasons BMW 7-Series vs. Mercedes-Benz S-Class

Engine and transmission
Engine speed (RPM) 5800 RPM vs 4600 RPM 21% or 1200 more rpms.
Engine capacity 2979 cm3 vs 5980 cm3 50% or 3001 cm3 less
Cylinders location In line vs V12
Camshaft DOHC vs DOHC
Fuel supply With a twin-turbocharged vs With a twin-turbocharged
Turbocharging Yes vs Yes
Speeds 6 vs 5 1 more
Dimensions
Length 5072 mm vs 5226 mm 3% or 154 mm shorter
Width 1902 mm vs 1871 mm 2% or 31 mm wider
Height 1479 mm vs 1485 mm 0% or 6 mm lower
Wheels and tires
Wheelbase 3070 mm vs 3165 mm 3% or 95 mm less
Front tires size 245/50 R18 vs 255/35 R20
Rear tires size 245/50 R18 vs 275/35 R20
Spare wheel flat tires vs Compact
Type of wheels 18" alloy wheels vs 20" alloy wheels
Style of wheels star shaped spokes Style 234 vs AMG 5 triple spokes
*Specs may vary depending on configurations and year of production(taken parameters of last released versions)