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Side-by-Side Bike Comparison · September 2026

GPX Demon GR165R vs GPX Demon GR250R

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

GPX

GPX Demon GR250R

Engine 250 cc

Power 29 bhp

Mileage 30 kmpl

Brakes / ABS Dual-Channel

Price in BD ৳414,990

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

GPX Demon GR250R (GPX Demon GR250R)

The Performance Benchmark

Delivers class-leading punch with 29 bhp and sharp throttle response. Backed by Dual-Channel 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: 29 Bhp

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

GPX Demon GR250R (GPX Demon GR250R) 29 bhp @ 9500 rpm

Peak Torque Delivery (Nm) Top: 23 Nm

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

GPX Demon GR250R (GPX Demon GR250R) 23 Nm @ 7500 rpm

Claimed Top Speeds

140 km/h

GPX Demon GR165R (GPX Demon GR165R)

135 km/h

GPX Demon GR250R (GPX Demon GR250R)

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)

8.2 / 10

Performance 8.1

Comfort 7.3

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.8

GPX

GPX Demon GR250R (GPX Demon GR250R)

8.2 / 10

Performance 9.5

Comfort 6.7

Tech & Features 7.4

Fuel Economy 9

Value for Money 8.3

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	GPX Demon GR165R	GPX Demon GR250R
Brand	GPX	GPX
CC	160	250
Regular Price	324000	414990
Bike Type	Sports	Sports
Distributor/Seller	Speedoz Limited	Speedoz Limited
Model Year	2021	2025
Brand Origin	Thailand	Thailand
Made In	China	China
Assemble In	Bangladesh	Bangladesh
Launched Date	2021-02-23	2025-08-31

Engine 15

Engine Type	Liquid-Cooled, 4-Stroke, 2-Valves, SOHC, Single Cylinder	Hyper Quadra, SOHC, 4 valve Liquid-cooled
Displacement	164.6	249.6
Maximum Power	17.8 Bhp @ 9000 RPM	29 Bhp @ 9500 RPM
Maximum Torque	16 NM @ 6500 RPM	23 NM @ 7500 RPM
Bore	59.7 mm	77 mm
Stroke	58.8 mm	4
Compression Ratio	11:1	N/A
Valves	2	4
Fuel Supply	GPX Fuel Injection	Fuel Injection
No of Cylinders	1	1
Engine Cooling	Liquid Cooled	Liquid Cooled
Starting Method	Electric	Electric
Engine Oil Grade	10W40	10W-40
Engine Oil Capacity	1 L (Without Filter)	1.2 L(Without Filter)
Best Lube For	Mobil Racing 4T 10W40	Mobil Racing 4T 10W40

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)	30 Kmpl (Approx)
Top Speed	140 Kmph (Approx)	135 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Trellis frame	Trellis Frame
Front Suspension	Upside Down Forks	Upside Down Forks
Rear Suspension	YSS 7-Step Adjustable Monoshock	Mono 7-Step Adjustable Monoshoc

Brakes 6

Front Brake Type	Single Disc	Single Disc
Rear Brake Type	Disc Brake	Disc Brake
Front Brake Diameter	276 mm	276 mm
Rear Brake Diameter	220 mm	220 mm
Anti-Lock Braking System (ABS)	No	Dual-Channel
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	150/60-R17
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2020 mm	2020 Mm
Overall Width	747 mm	747 Mm
Height	1145 mm	1145 Mm
Ground Clearance	150 mm	159 Mm
Weight	155 kg	158 kg
Fuel Tank Capacity	11 Liters	11 L
Wheelbase	1350 mm	1,350 Mm
Seat Height	815 mm	815 Mm

Electricals 5

Battery Type	MF	MF
Battery Voltage	12V 6Ah	12V 6Ah
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	Pipe handle bar
Seat Type	Split-Seat	Split-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Yes	Yes
Additional Feature	N/A	TCS (Traction Control System), Digital (TFT Display With Bluetooth Connectivily)