Last Update: Mar. 18, 2019, 5:01 a.m.
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What is Better Alfa Romeo 145 or BMW Z8?

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Alfa Romeo 145 BMW Z8

5 reasons to buy Alfa Romeo 145

Emissions
Less CO2 emissions 131 g/mile vs 222 g/mile 69% or 91 g/mile
Less noise level 74 dB vs 75 dB 1% or 1 dB
Warranty
More warranty against corrosion 8 years vs 6 years 25% or 2 years
Other specs
Less weight 1275 kg vs 1690 kg 33% or 415 kg Weight of the vehicle affects: fuel consumption, acceleration dynamic, braking distance, etc.
More seats 5 vs 2 3

14 reasons to buy BMW Z8

Engine and transmission
More cylinders 8 vs 4 4 more cylinders. The more cylinders = the less vibration and the engine runs more smoothly.
Better compression 11.0 vs 10 9% or 1 . The greater degree of compression = the less fuel need to produce the same power.
Piston diameter larger 89 mm vs 83 mm 7% or 6 mm larger. The larger diameter of cylinder = the greater filling ratio. Cons: increase emissions of toxic substances.
Piston stroke longer 94 mm vs 91 mm 3% or 3 mm. The longer stroke = lower fuel consumption and fewer emissions.
More engine power

400 bhp vs 150 bhp

294 kw. vs 110 kw.

63% or 250 bhp. More power of car = more top speed.
More torque 500 nM vs 186 nM 63% or 314 nM. More torque = faster acceleration.
Performance
Faster acceleration from 0 to 60 mph 4.7 sec. vs 8.4 sec. 3.7 sec.
More top speed 155 mph vs 130 mph 25 mph
Fuel consumption
Less fuel consumption (Combined cycle) 19 mpg vs 32.11 mpg 69% or 13.11 mpg
Less fuel consumption (Highway) 26.61 mpg vs 42.22 mpg 59% or 15.61 mpg
Less fuel consumption (City) 12.7 mpg vs 22.61 mpg 78% or 9.91 mpg
Emissions
Higher european emission standard EURO 3 vs EURO 2 1 generation
Weight and capacity
More capacity of fuel tank 73 liters vs 61 liters 16% or 12 liters
Other specs
Less turning radius 11.6 meters vs 110 meters 848% or 98.4 meters

Neutral reasons Alfa Romeo 145 vs. BMW Z8

Engine and transmission
Engine speed (RPM) 6200 RPM vs 6600 RPM 6% or 400 less rpms.
Engine capacity 1970 cm3 vs 4941 cm3 60% or 2971 cm3 less
Cylinders location In line vs V8
Camshaft DOHC vs SOHC
Fuel supply Fuel injection vs Fuel injection
Turbocharging Yes vs Yes
Speeds 5 vs 6 1 less
Dimensions
Length 4093 mm vs 4400 mm 7% or 307 mm shorter
Width 1712 mm vs 1830 mm 6% or 118 mm narrower
Height 1427 mm vs 1317 mm 8% or 110 mm higher
Wheels and tires
Wheelbase 2540 mm vs 2505 mm 1% or 35 mm more
Front tires size 195/55 VR15 vs 245/45 ZR18Y
Rear tires size 195/55 VR15 vs 275/40 ZR 18Y
Spare wheel 195/55 VR15 vs 245/45 ZR18Y
Type of wheels 15" alloy wheels vs 18 alloy wheels
*Specs may vary depending on configurations and year of production(taken parameters of last released versions)