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Side-by-Side Bike Comparison · September 2026

PHP Merkaba Plus 150 vs Roadmaster Prime 80

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

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⚡ Power Leader

PHP

PHP Merkaba Plus 150

Engine 150 cc

Power 11.2 bhp

Mileage 55 kmpl

Brakes / ABS No

Price in BD ৳175,000

Details

💎 Best Value

Roadmaster

Roadmaster Prime 80

Engine 80 cc

Power 6 bhp

Mileage 65 kmpl

Brakes / ABS N/A

Price in BD ৳60,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

PHP Merkaba Plus 150 (PHP Merkaba Plus 150)

The Performance Benchmark

Delivers class-leading punch with 11.2 bhp and sharp throttle response. Backed by No for riders demanding confidence in high-speed and emergency scenarios.

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

VALUE CHAMPION #2

Roadmaster Prime 80 (Roadmaster Prime 80)

The Value Argument

Maximizes features per taka spent at ৳60,900. Ideal balance of equipment and accessible dealer pricing without sacrificing daily road manners.

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

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 11.2 Bhp

PHP Merkaba Plus 150 (PHP Merkaba Plus 150) 11.2 bhp @ 8500 rpm

Roadmaster Prime 80 (Roadmaster Prime 80) 6 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 11 Nm

PHP Merkaba Plus 150 (PHP Merkaba Plus 150) 11 Nm @ 7500 rpm

Roadmaster Prime 80 (Roadmaster Prime 80) 0 Nm

Claimed Top Speeds

90 km/h

PHP Merkaba Plus 150 (PHP Merkaba Plus 150)

70 km/h

Roadmaster Prime 80 (Roadmaster Prime 80)

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.

PHP

PHP Merkaba Plus 150 (PHP Merkaba Plus 150)

7.7 / 10

Performance 9.5

Comfort 6.7

Tech & Features 6.8

Fuel Economy 9

Value for Money 6.5

Roadmaster

Roadmaster Prime 80 (Roadmaster Prime 80)

8.2 / 10

Performance 7.9

Comfort 7.8

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	PHP Merkaba Plus 150	Roadmaster Prime 80
Brand	PHP	Roadmaster
CC	150	80
Regular Price	175000	60900
Bike Type	Standard	Commuter
Distributor/Seller	PHP Automobiles Ltd	Roadmaster Motors LTD
Model Year	N/A	N/A
Brand Origin	Bangladesh	N/A
Made In	Bangladesh	N/A
Assemble In	Bangladesh	N/A
Launched Date	N/A	N/A

Engine 15

Engine Type	4 – Stroke Single Cylinder	4 – Stroke Single Cylinder
Displacement	149.2	84.41
Maximum Power	11.2 Bhp @ 8500 RPM	6 Bhp @ 8000 RPM
Maximum Torque	11 NM @ 7500 RPM	0 NM @ 0 RPM
Bore	62 mm	N/A
Stroke	49.5 mm	N/A
Compression Ratio	9.0:1	N/A
Valves	2	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	900 ml (Without Filter)	N/A
Best Lube For	Mobil Super Moto 20W40 4T	N/A

Transmission 4

Transmission Type	Manual	Manual
No of Gears	5	4
Clutch Type	Wet	Wet multi-disc clutc
Drive Type	Chain Drive	N/A

Mileage & Top Speed 2

Mileage	55 Kmpl (Approx)	65 Kmpl (Approx)
Top Speed	90 Kmph (Approx)	70 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	N/A
Front Suspension	Telescopic, Hydraulic Type	Telescopic
Rear Suspension	5 step adjustable shock absorber	Mechanical Spring

Brakes 6

Front Brake Type	Single Disc	Drum Brake
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	N/A	N/A

Wheels & Tyres 4

Front Tyre Size	2.75-18	2.50-17
Rear Tyre Size	3.00-18	2.75-17
Tyre Type	Tubetyre	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2071 mm	1930 mm
Overall Width	730 mm	860 mm
Height	1110 mm	1210 mm
Ground Clearance	150 mm	160 mm
Weight	112 Kg	87.5 Kg
Fuel Tank Capacity	14 L	8.5L
Wheelbase	1290 mm	1200 mm
Seat Height	750 mm	N/A

Electricals 5

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

Features 8

Speedometer	Info-Not-Available	Analog
Odometer	Info-Not-Available	Analog
RPM Meter	Info-Not-Available	Digital
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Yes	No
Additional Feature	N/A	N.A