Last Update: Oct. 23, 2017, 5:59 a.m.
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What is Better Audi Q7 or BMW Z4?

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Audi Q7 BMW Z4

14 reasons to buy Audi Q7

Engine and transmission
Better compression 12 vs 11 8% or 1 . The greater degree of compression = the less fuel need to produce the same power.
Piston diameter larger 89 mm vs 82 mm 8% or 7 mm larger. The larger diameter of cylinder = the greater filling ratio. Cons: increase emissions of toxic substances.
Piston stroke longer 96.4 mm vs 78.8 mm 18% or 17.6 mm. The longer stroke = lower fuel consumption and fewer emissions.
More engine power

280 bhp vs 204 bhp

206 kw. vs 150 kw.

27% or 76 bhp. More power of car = more top speed.
More torque 360 nM vs 250 nM 31% or 110 nM. More torque = faster acceleration.
Fuel consumption
Less fuel consumption (Combined cycle) 22.2 mpg vs 34.4 mpg 55% or 12.2 mpg
Less fuel consumption (Highway) 28.82 mpg vs 46.27 mpg 61% or 17.45 mpg
Less fuel consumption (City) 15.9 mpg vs 23.91 mpg 50% or 8.01 mpg
Weight and capacity
More minimum boot capacity 775 liters vs 310 liters 60% or 465 liters
More capacity of fuel tank 100 liters vs 55 liters 45% or 45 liters
More maximum allowable weight 3030 kg vs 1760 kg 42% or 1270 kg
More maximum bearing capacity 795 kg vs 330 kg 58% or 465 kg
Warranty
More warranty against corrosion 12 years vs 6 years 50% or 6 years
Other specs
More seats 7 vs 2 5

7 reasons to buy BMW Z4

Performance
Faster acceleration from 0 to 60 mph 7.3 sec. vs 8.5 sec. 1.2 sec.
More top speed 149 mph vs 143 mph 6 mph
Emissions
Less CO2 emissions 119 g/mile vs 189 g/mile 59% or 70 g/mile
Higher european emission standard EURO 5 vs EURO 4 1 generation
Warranty
More standard warranty - Mileage 994406 miles vs 62150 miles 94% or 932256 miles
Other specs
Less weight 1430 kg vs 2235 kg 56% or 805 kg Weight of the vehicle affects: fuel consumption, acceleration dynamic, braking distance, etc.
Less turning radius 10.7 meters vs 12 meters 12% or 1.3 meters

Neutral reasons Audi Q7 vs. BMW Z4

Engine and transmission
Engine speed (RPM) 6200 RPM vs 6400 RPM 3% or 200 less rpms.
Engine capacity 3597 cm3 vs 2497 cm3 31% or 1100 cm3 more
Cylinders location V6 vs In line
Camshaft DOHC vs DOHC
Fuel supply Distributor fuel injection vs Distributor fuel injection
Turbocharging Yes vs Yes
Dimensions
Length 5086 mm vs 4239 mm 17% or 847 mm shorter
Width 1983 mm vs 1790 mm 10% or 193 mm wider
Height 1737 mm vs 1291 mm 26% or 446 mm higher
Wheels and tires
Wheelbase 3002 mm vs 2496 mm 17% or 506 mm more
Front tires size 255/55 R18 vs 225/45 R17
Rear tires size 255/55 R18 vs 225/45 R17
Spare wheel Compact vs flat tires
Type of wheels 18" alloy wheels vs 17" alloy wheels
Style of wheels 5 parallel spokes vs star shaped spokes Style 290
*Specs may vary depending on configurations and year of production(taken parameters of last released versions)