Vespa GTS (2015-2017) vs Yamaha Nmax Comparison

Engine & Performance

Displacement	154.8 cc	155 cc
Emission Control	Catalytic Converter	--
Bore X Stroke	58 mm x 58.6 mm	58 mm x 58.7 mm
Exhaust Pipes	Single Exhaust	Single Exhaust
Engine Type	4-Stroke, DOHC	Single Cylinder, 4-Stroke, Liquid Cooled SOHC VVA Engine
Spark Plugs Per Cylinder	1	--
Drive Type	Belt Drive	Belt Drive
Compression Ratio	9.5:1	10.5:1
No. Of Strokes	4-Stroke	4-Stroke
No. Of Cylinder	1	1
Injection Type	Direct Injection	Fuel Injection
Valves Per Cylinder	4	--
Lubrication System	Wet Sump	Wet Sump
Valve Configuration	DOHC	SOHC
Air Filter Type	Replacement Air Filter	--
Clutch Type	Dry, Centrifugal Automatic	Single Dry Type
Cooling System	Forced Air Cooled	Liquid Cooled
Maximum Power	--	15 hp
Maximum Torque	--	13.9 Nm
Fuel Tank Size	--	6.6 L
RPM at Maximum Torque	--	6000 rpm
RPM at Maximum Power	--	8000 rpm

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Performance

Engine Displacement	155 cc	--
Power	11.66 hp	--
Torque	12 Nm	--
Acceleration	6.0 s	--
Top Speed	97 kmph	--
Mileage City	31 kmpl	--
Mileage Highway	40 kmpl	--

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Dimension

Width	730 mm	740 mm
Length	1950 mm	1955 mm
Oil Tank Capacity	0.5 L	0.9 L
Seating Capacity	2 Seats	2 Seats
Wheel Base	1350 mm	1350 mm
Category	--	Scooter
Ground Clearance	--	124 mm
Height	--	1115 mm
Kerb Weight	--	127 kg

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Fuel & Ignition

Ignition System	Electronic Ignition System	TCI
Start Option	Electric	Electric
Fuel Reserve	1.0 L	--
Fuel Type	Petrol	Petrol
Fuel Supply System	EFI	Fuel Injection

Electrical

Range City	No	--
Range Highway	No	--
Battery Charge Time	No	--
Pack Life	No	--
Power Pack	No	--
Pack Capacity	No	--
Pack Voltage	No	--
Motor Type	No	--
Charger Type	No	--
Input	No	--

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Wheels & Tyres

Front Tyre	110/70 R12	110/70 R13
Tyre Type	Tubeless	Radial, Tubeless
Rear Wheel Size	R12	R13
Front Wheel Size	R12	R13
Rear Tyre	130/70 R12	130/70 R13

Chassis & Suspension

Front Suspension	Spring Coil	Telescopic Fork
Rear Suspension	Twin Spring Coil	Swing Arm

Gear & Transmission

Transmission Type

--

CVT

Safety & Security

ABS	No	No
Pass Switch	Yes	Yes
Advanced Safety Features	Class Leading Security Class Leading Security	--
Stability Control	No	--
Traction Control	No	No
Launch Control	No	No
Shutter Lock	No	--
Leg Guards	No	No
Engine Check Warning	No	Yes
Side Reflectors	Optional Optional	Yes
Engine Immobilizer	Yes	--
Anti-Theft Alarm	Yes	--
Riding Modes	Street Street	Street Street
Central Locking	Optional Optional	--
Back Rest	No	No
Wheel Lock Front/back	--	No

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Console

Odometer	Analog Analog	Digital Digital
Fuel Gauge	Analog Analog	Digital Digital
Speedometer	Analog Analog	Digital Digital
Display Screen	No	Yes
Tachometer	No	Yes
Oil Change Indicator	No	--
Navigator	No	No
Side Stand Indicator	No	No
Tripmeter	--	Yes

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Chassis & Suspension

Seat Type	Dual-Straight Dual-Straight	Dual Stepped Dual Stepped
Side Wings	No	Yes
Electronic Suspension Adjustment	No	No
Body Frame Material	Steel Steel	--
Body Frame Type	Welded Reinforcement Welded Reinforcement	Underbone Underbone
Chrome Garnish	Yes	--

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Electrical

Battery Voltage	12 V 12 V	12 V 12 V
Indicator Light	Yes	Yes
Adjustable Headlights	Yes	Yes
Accessory Outlet	No	Yes
Head Lamp	Halogen Halogen	LED LED
Tail Lamp	Bulb Bulb	LED LED

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Brake

Front Brake	Discs Discs	Disc Disc
Rear Brake	Discs Discs	Disc Disc

Differentiating Features

Cruise Control	No	No
Height Adjustable Seats	No	No