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Side-by-Side Bike Comparison · September 2026

H Power Star 80 vs Roadmaster Rex

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

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🌱 Top Economy

H Power

H Power Star 80

Engine 80 cc

Power 2.7 bhp

Mileage 60 kmpl

Brakes / ABS No

Price in BD ৳76,000

Details

⚡ Power Leader

Roadmaster

Roadmaster Rex

Engine 80 cc

Power 6 bhp

Mileage 60 kmpl

Brakes / ABS N/A

Price in BD ৳70,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

ECONOMY SPECIALIST #1

H Power Star 80 (H Power Star 80)

The Economy Specialist

Lightest on fuel with an estimated 60 kmpl and manageable kerb weight (85 kg), minimizing your monthly running expenses.

Best for: High-mileage daily city commuters and courier riders.

POWER & HARDWARE #2

Roadmaster Rex (Roadmaster Rex)

The Performance Benchmark

Delivers class-leading punch with 6 bhp and sharp throttle response. Backed by N/A 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: 6 Bhp

H Power Star 80 (H Power Star 80) 2.7 bhp @ 8000 rpm

Roadmaster Rex (Roadmaster Rex) 6 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 3 Nm

H Power Star 80 (H Power Star 80) 3 Nm @ 5500 rpm

Roadmaster Rex (Roadmaster Rex) 0 Nm

Claimed Top Speeds

60 km/h

H Power Star 80 (H Power Star 80)

80 km/h

Roadmaster Rex (Roadmaster Rex)

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.

H Power

H Power Star 80 (H Power Star 80)

7.8 / 10

Performance 7.6

Comfort 6.6

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.7

Roadmaster

Roadmaster Rex (Roadmaster Rex)

8.6 / 10

Performance 9.5

Comfort 8.5

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.8

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	H Power Star 80	Roadmaster Rex
Brand	H Power	Roadmaster
CC	80	80
Regular Price	76000	70900
Bike Type	Commuter	Commuter
Distributor/Seller	Grameen Motors	Roadmaster Motors LTD
Model Year	N/A	N/A
Brand Origin	Bangladesh	N/A
Made In	China	N/A
Assemble In	Bangladesh	N/A
Launched Date	N/A	N/A

Engine 15

Engine Type	Single Cylinder, Air-Cooled, Four Strokes	4 – Stroke Single Cylinder
Displacement	80	79
Maximum Power	2.7 Bhp @ 8000 RPM	6 Bhp @ 8000 RPM
Maximum Torque	3 NM @ 5500 RPM	0 NM @ 0 RPM
Bore	N/A	N/A
Stroke	N/A	N/A
Compression Ratio	N/A	N/A
Valves	22	N/A
Fuel Supply	Carburetor	Carburetor
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	20W40	N/A
Engine Oil Capacity	800 ml (Without Filter)	N/A
Best Lube For	Mobil Super Moto 20W40 4T	N/A

Transmission 4

Transmission Type	Manual	Manual
No of Gears	4	4
Clutch Type	Wet Multiplate	Wet multi-disc clutc
Drive Type	Chain Drive	N/A

Mileage & Top Speed 2

Mileage	60 Kmpl (Approx)	60 Kmpl (Approx)
Top Speed	60 Kmph (Approx)	80 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	N/A
Front Suspension	Telescopic	Telescopic
Rear Suspension	Twin shocks	Twin-Spring loaded

Brakes 6

Front Brake Type	Drum Brake	Single Disc
Rear Brake Type	Drum Brake	Drum Brake
Front Brake Diameter	N/A	N/A
Rear Brake Diameter	N/A	N/A
Anti-Lock Braking System (ABS)	No	N/A
Braking System	Drum Brake	N/A

Wheels & Tyres 4

Front Tyre Size	2.00 – 17	2.50-17
Rear Tyre Size	3.00 – 17	2.75-17
Tyre Type	Tubetyre	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1790 mm	1940 mm
Overall Width	710 mm	800 mm
Height	1020 mm	1300 mm
Ground Clearance	215 mm	N/A
Weight	85 kg	88.8 Kg
Fuel Tank Capacity	N/A	9.5L
Wheelbase	1180 mm	1200 mm
Seat Height	780 mm	N/A

Electricals 5

Battery Type	MF	MF
Battery Voltage	12v	12v
Head Light	12V 35/35W (Halogen)	Halogen
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Analog	Analog
Odometer	Analog	Analog
RPM Meter	Digital	Digital
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	No	No
Additional Feature	N/A	N/A