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Side-by-Side Bike Comparison · September 2026

GPX Demon GR165R vs Speeder NSX 165R V3

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

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💎 Best Value

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 V3

Engine 165 cc

Power 21.5 bhp

Mileage 40 kmpl

Brakes / ABS Dual-ch. ABS

Price in BD ৳369,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

GPX Demon GR165R (GPX Demon GR165R)

The Value Argument

Maximizes features per taka spent at ৳324,000. Ideal balance of equipment and accessible dealer pricing without sacrificing daily road manners.

Best for: Budget-conscious riders looking for modern styling.

POWER & HARDWARE #2

Speeder NSX 165R V3 (Speeder NSX 165R V3)

The Performance Benchmark

Delivers class-leading punch with 21.5 bhp and sharp throttle response. Backed by Dual-ch. ABS 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: 21.5 Bhp

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

Speeder NSX 165R V3 (Speeder NSX 165R V3) 21.5 bhp @ 10500 rpm

Peak Torque Delivery (Nm) Top: 17.5 Nm

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

Speeder NSX 165R V3 (Speeder NSX 165R V3) 17.5 Nm @ 9000 rpm

Claimed Top Speeds

140 km/h

GPX Demon GR165R (GPX Demon GR165R)

140 km/h

Speeder NSX 165R V3 (Speeder NSX 165R V3)

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)

8.3 / 10

Performance 8.9

Comfort 7.3

Tech & Features 7.4

Fuel Economy 9.1

Value for Money 8.8

Speeder

Speeder NSX 165R V3 (Speeder NSX 165R V3)

8.7 / 10

Performance 9.5

Comfort 6.7

Tech & Features 9.4

Fuel Economy 9.5

Value for Money 8.5

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	GPX Demon GR165R	Speeder NSX 165R V3
Brand	GPX	Speeder
CC	160	160
Regular Price	324000	369900
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	4-stroke, Single cylinder, Liquid-cooled, EFI
Displacement	164.6	165
Maximum Power	17.8 Bhp @ 9000 RPM	21.5 Bhp @ 10500 RPM
Maximum Torque	16 NM @ 6500 RPM	17.5 NM @ 9000 RPM
Bore	59.7 mm	58.5 mm
Stroke	58.8 mm	58.8 mm
Compression Ratio	11:1	11.1
Valves	2	2222
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 Drive

Mileage & Top Speed 2

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

Chassis & Suspension 3

Chassis Type	Trellis frame	N/A
Front Suspension	Upside Down Forks	Telescopic USD (Golden 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	300 mm
Rear Brake Diameter	220 mm	240 mm
Anti-Lock Braking System (ABS)	No	Dual Channel ABS
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	18L
Wheelbase	1350 mm	1380 mm
Seat Height	815 mm	770 mm

Electricals 5

Battery Type	MF	MF
Battery Voltage	12V 6Ah	12V, 9Ah
Head Light	LED	LED Projector
Tail Light	LED	LED
Indicators	LED	Halogn

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	Info-Not-Available
Engine Kill Switch	Yes	Yes
Additional Feature	N/A	Traction Control