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Side-by-Side Bike Comparison · September 2026

GPX Demon GR165R vs Speeder NSX 165R V2

Technical comparison of performance curves, real-world dyno numbers, verified ratings, and full dynamic spec sheets.

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GPX

GPX Demon GR165R

Engine 165 cc

Power 17.8 bhp

Mileage 35 kmpl

Brakes / ABS No

Price in BD ৳324,000

Details

⚡ Power Leader

Speeder

Speeder NSX 165R V2

Engine 160 cc

Power 18 bhp

Mileage 40 kmpl

Brakes / ABS Yes

Price in BD ৳299,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

URBAN AGILITY #1

GPX Demon GR165R (GPX Demon GR165R)

The Urban Package

Offers standout aesthetics and punchy low-end torque (16 Nm), making it agile and fun for tight city commutes.

Best for: Weekend city blasts and distinctive curb appeal.

POWER & HARDWARE #2

Speeder NSX 165R V2 (Speeder NSX 165R V2)

The Performance Benchmark

Delivers class-leading punch with 18 bhp and sharp throttle response. Backed by Yes for riders demanding confidence in high-speed and emergency scenarios.

Best for: Highway tours, enthusiast riding, emergency brake safety.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 18 Bhp

GPX Demon GR165R (GPX Demon GR165R) 17.8 bhp @ 9000 rpm

Speeder NSX 165R V2 (Speeder NSX 165R V2) 18 bhp @ 10000 rpm

Peak Torque Delivery (Nm) Top: 16 Nm

GPX Demon GR165R (GPX Demon GR165R) 16 Nm @ 6500 rpm

Speeder NSX 165R V2 (Speeder NSX 165R V2) 14.6 Nm @ 8500 rpm

Claimed Top Speeds

140 km/h

GPX Demon GR165R (GPX Demon GR165R)

125 km/h

Speeder NSX 165R V2 (Speeder NSX 165R V2)

Dyno takeaway: Engine cooling hardware (liquid vs oil vs air) and gear ratios determine how long peak power can be sustained on open highway runs.

03 / Multi-Vector Scorecard

AI Analysis Engine

Rule-Based Specs Synthesizer

AI Engine Recommendation

Comparing power-to-weight, braking safety gear, real mileage data, and dealer price points across this matchup. Use the 5-point radar breakdown below to balance your budget against your daily riding style.

GPX

GPX Demon GR165R (GPX Demon GR165R)

8.4 / 10

Performance 9.5

Comfort 7.3

Tech & Features 7.4

Fuel Economy 9.1

Value for Money 8.7

Speeder

Speeder NSX 165R V2 (Speeder NSX 165R V2)

8.5 / 10

Performance 9.5

Comfort 7.5

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.8

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	GPX Demon GR165R	Speeder NSX 165R V2
Brand	GPX	Speeder
CC	160	160
Regular Price	324000	299900
Bike Type	Sports	Sports
Distributor/Seller	Speedoz Limited	—
Model Year	2021	N/A
Brand Origin	Thailand	N/A
Made In	China	N/A
Assemble In	Bangladesh	N/A
Launched Date	2021-02-23	N/A

Engine 15

Engine Type	Liquid-Cooled, 4-Stroke, 2-Valves, SOHC, Single Cylinder	1-Cylinder, 4-Stroke Engine
Displacement	164.6	164.4
Maximum Power	17.8 Bhp @ 9000 RPM	18 Bhp @ 10000 RPM
Maximum Torque	16 NM @ 6500 RPM	14.6 NM @ 8500 RPM
Bore	59.7 mm	N/A
Stroke	58.8 mm	N/A
Compression Ratio	11:1	N/A
Valves	2	2
Fuel Supply	GPX Fuel Injection	EFI
No of Cylinders	1	1
Engine Cooling	Liquid Cooled	Liquid Cooled
Starting Method	Electric	Electric
Engine Oil Grade	10W40	20W50
Engine Oil Capacity	1 L (Without Filter)	1 L (Without Filter)
Best Lube For	Mobil Racing 4T 10W40	Mobil Super 4T 20W50

Transmission 4

Transmission Type	Manual	Manual
No of Gears	6	6
Clutch Type	Wet-multiplate	Wet-multiplate
Drive Type	Chain Drive	Chain

Mileage & Top Speed 2

Mileage	35 Kmpl (Approx)	40 Kmpl (Approx)
Top Speed	140 Kmph (Approx)	125 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Trellis frame	N/A
Front Suspension	Upside Down Forks	Telescopic USD
Rear Suspension	YSS 7-Step Adjustable Monoshock	Monoshock

Brakes 6

Front Brake Type	Single Disc	Dual Disc
Rear Brake Type	Disc Brake	Disc Brake
Front Brake Diameter	276 mm	N/A
Rear Brake Diameter	220 mm	N/A
Anti-Lock Braking System (ABS)	No	Yes
Braking System	Normal Braking System	Dual Channel ABS

Wheels & Tyres 4

Front Tyre Size	100/80-17	110/70-17
Rear Tyre Size	140/70-17	150/70-17
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2020 mm	2040 mm
Overall Width	747 mm	770 mm
Height	1145 mm	1130 mm
Ground Clearance	150 mm	160 mm
Weight	155 kg	153 Kg
Fuel Tank Capacity	11 Liters	16L
Wheelbase	1350 mm	1420 mm
Seat Height	815 mm	770 mm

Electricals 5

Battery Type	MF	MF
Battery Voltage	12V 6Ah	12V/7Ah
Head Light	LED	LED
Tail Light	LED	LED
Indicators	LED	LED

Features 8

Speedometer	Digital	Digital
Odometer	Digital	Digital
RPM Meter	Digital	Digital
Handle Type	Three part handle bar	Three part handle bar
Seat Type	Split-Seat	Split-Seat
Passenger Grab Rail	Yes	No
Engine Kill Switch	Yes	Yes
Additional Feature	N/A	Charging Port