Last Update: Mar. 20, 2019, 5:04 a.m.
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What is Better Alfa Romeo 156 or Smart Forfour?

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Alfa Romeo 156 Smart Forfour

16 reasons to buy Alfa Romeo 156

Engine and transmission
More cylinders 6 vs 4 2 more cylinders. The more cylinders = the less vibration and the engine runs more smoothly.
Better compression 10.5 vs 9 14% or 1.5 . The greater degree of compression = the less fuel need to produce the same power.
Piston diameter larger 93 mm vs 75.5 mm 19% or 17.5 mm larger. The larger diameter of cylinder = the greater filling ratio. Cons: increase emissions of toxic substances.
More engine power

250 bhp vs 174 bhp

184 kw. vs 130 kw.

30% or 76 bhp. More power of car = more top speed.
More torque 300 nM vs 230 nM 23% or 70 nM. More torque = faster acceleration.
Performance
Faster acceleration from 0 to 60 mph 6.3 sec. vs 6.9 sec. 0.6 sec.
More top speed 155 mph vs 137 mph 18 mph
Fuel consumption
Less fuel consumption (Combined cycle) 23 mpg vs 41.48 mpg 80% or 18.48 mpg
Less fuel consumption (Highway) 32.11 mpg vs 50.43 mpg 57% or 18.32 mpg
Less fuel consumption (City) 15.4 mpg vs 31.72 mpg 106% or 16.32 mpg
Weight and capacity
More minimum boot capacity 360 liters vs 268 liters 26% or 92 liters
More maximum trunk space 1180 liters vs 910 liters 23% or 270 liters
More capacity of fuel tank 63 liters vs 47 liters 25% or 16 liters
Warranty
More warranty against corrosion 8 years vs 6 years 25% or 2 years
More standard warranty - Years 3 years vs 2 years 33% or 1 years
Other specs
More seats 5 vs 4 1

6 reasons to buy Smart Forfour

Engine and transmission
Piston stroke longer 82 mm vs 78 mm 5% or 4 mm. The longer stroke = lower fuel consumption and fewer emissions.
Emissions
Less CO2 emissions 99 g/mile vs 182 g/mile 84% or 83 g/mile
Higher european emission standard EURO 4 vs EURO 3 1 generation
Warranty
More standard warranty - Mileage 994406 miles vs 62150 miles 94% or 932256 miles
Other specs
Less weight 1090 kg vs 1460 kg 34% or 370 kg Weight of the vehicle affects: fuel consumption, acceleration dynamic, braking distance, etc.
Less turning radius 11 meters vs 12.1 meters 10% or 1.1 meters

Neutral reasons Alfa Romeo 156 vs. Smart Forfour

Engine and transmission
Engine speed (RPM) 6200 RPM vs 6000 RPM 3% or 200 more rpms.
Engine capacity 3179 cm3 vs 1468 cm3 54% or 1711 cm3 more
Engine position Front transverse vs Front transverse
Cylinders location V6 vs In line
Camshaft DOHC vs SOHC
Fuel supply Distributor fuel injection vs Fuel injection with turbocharging
Turbocharging Yes vs Yes
Speeds 6 vs 5 1 more
Dimensions
Length 4430 mm vs 3752 mm 15% or 678 mm shorter
Width 1745 mm vs 1684 mm 3% or 61 mm wider
Height 1430 mm vs 1450 mm 1% or 20 mm lower
Wheels and tires
Wheelbase 2595 mm vs 2500 mm 4% or 95 mm more
Front tires size 215/45R17 vs 205/40 R17
Rear tires size 215/45R17 vs 225/35 R17
Spare wheel puncture repair kit vs Survival Kit
Type of wheels 7.5Jx17" alloy wheels vs 17" alloy wheels
Style of wheels 5 bolt holes vs BRABUS Monoblock VI
*Specs may vary depending on configurations and year of production(taken parameters of last released versions)