Comparison of Vespa GTS 150 and Vespa PX 150 2011

Attribute	Vespa GTS 150 ×	Vespa PX 150 2011 ×
General
Production from (year)	2017	2011
Make	Vespa	Vespa
Model	Vespa GTS 150	Vespa PX 150
Category	Scooter	Scooter
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, two-stroke
Valves per cylinder	4	2
Fuel system	Injection. EFI	Carburettor
Engine details	Leader engine	Rotary inlet valve
Displacement (cm³)	155.2	149.6
Power (kw)	8	-
Cooling system	Liquid	Air
Transmission type,final drive	Belt	Belt
Torque (Nm)	14	-
Bore (mm)	58	57.8
Stroke (mm)	58.7	57
Gearbox	Automatic	4-speed
Fuel control	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)
Emission details	Euro 4	-
Ignition	Electronic with variable advance	-
Clutch	Automatic. Twist-and-go CVT with torque server	Wet, centrifugal clutch, cable operated
Lubrication system	Wet sump	Oil pump
Chassis
Front suspension	Single arm suspension with coil spring and hydraulic shock absorber	Single sided trailing link with hydraulic shock absorber
Rear suspension	Double hydraulic shock absorbers with adjustable preload with 4 settings	Hydraulic monoshock
Front brakes	Single disc	Single disc
Rear brakes	Single disc	Expanding brake (drum brake)
Diameter (mm)	220	150
Frame type	Sheet metal with welded reinforcements	Monocoque steel frame
Front tyre	120/70-12	120-10
Rear tyre	130/70-12	120-10
Seat	-	2-person seat
Other
Starter	Electric	Electric & kick
Dimensions
Dry weight (kg)	160	97
Power/weight ratio	0.05	-
Overall length (mm)	1,950	1,810
Overall width (mm)	755	740
Seat height (mm)	790	810
Performance
Top speed (km/h)	103	87
Fuel capacity (l)	7	8