Last Update: Mar. 31, 2020, 5:34 a.m.
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What is Better BMW X1 or Smart Roadster?

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BMW X1 Smart Roadster

18 reasons to buy BMW X1

Engine and transmission
More cylinders 4 vs 3 1 more cylinders. The more cylinders = the less vibration and the engine runs more smoothly.
More valves per cylinder 4 vs 2 2 more valves per cylinder. The more valves = the better combustion of the fuel.
Better compression 16.5 vs 9 45% or 7.5 . The greater degree of compression = the less fuel need to produce the same power.
Piston diameter larger 84 mm vs 66.5 mm 21% or 17.5 mm larger. The larger diameter of cylinder = the greater filling ratio. Cons: increase emissions of toxic substances.
Piston stroke longer 90 mm vs 67 mm 26% or 23 mm. The longer stroke = lower fuel consumption and fewer emissions.
More engine power

143 bhp vs 80 bhp

105 kw. vs 60 kw.

44% or 63 bhp. More power of car = more top speed.
More torque 320 nM vs 110 nM 66% or 210 nM. More torque = faster acceleration.
Performance
Faster acceleration from 0 to 60 mph 9.6 sec. vs 10.9 sec. 1.3 sec.
More top speed 124 mph vs 109 mph 15 mph
Fuel consumption
Less fuel consumption (Combined cycle) 54.25 mpg vs 55.4 mpg 2% or 1.15 mpg
Less fuel consumption (Highway) 60.05 mpg vs 65.74 mpg 9% or 5.69 mpg
Emissions
Higher european emission standard EURO 5 vs EURO 4 1 generation
Weight and capacity
More minimum boot capacity 420 liters vs 45 liters 89% or 375 liters
More capacity of fuel tank 61 liters vs 35 liters 43% or 26 liters
More maximum allowable weight 2030 kg vs 1030 kg 49% or 1000 kg
More maximum bearing capacity 560 kg vs 240 kg 57% or 320 kg
Warranty
More standard warranty - Years 3 years vs 2 years 33% or 1 years
Other specs
More seats 5 vs 2 3

4 reasons to buy Smart Roadster

Fuel consumption
Less fuel consumption (City) 44.78 mpg vs 46.27 mpg 3% or 1.49 mpg
Emissions
Less CO2 emissions 75 g/mile vs 85 g/mile 13% or 10 g/mile
Other specs
Less weight 790 kg vs 1470 kg 86% or 680 kg Weight of the vehicle affects: fuel consumption, acceleration dynamic, braking distance, etc.
Less turning radius 10.7 meters vs 11.3 meters 6% or 0.6 meters

Neutral reasons BMW X1 vs. Smart Roadster

Engine and transmission
Engine speed (RPM) 4000 RPM vs 5250 RPM 24% or 1250 less rpms.
Engine capacity 1995 cm3 vs 698 cm3 65% or 1297 cm3 more
Cylinders location In line vs In line
Camshaft DOHC vs SOHC
Fuel supply COMMON RAIL vs Fuel injection with turbocharging
Turbocharging Yes vs Yes
Dimensions
Length 4454 mm vs 3427 mm 23% or 1027 mm shorter
Width 1798 mm vs 1615 mm 10% or 183 mm wider
Height 1545 mm vs 1192 mm 23% or 353 mm higher
Wheels and tires
Wheelbase 2760 mm vs 2360 mm 14% or 400 mm more
Front tires size 225/50 R17 vs 145/65 R15
Rear tires size 225/50 R17 vs 175/55 R15
Type of wheels 17" alloy wheels vs 15" steel
*Specs may vary depending on configurations and year of production(taken parameters of last released versions)