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Side-by-Side Bike Comparison · September 2026

Honda SP160 vs Roadmaster Rex

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

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⚡ Power Leader

Honda

Honda SP160

Honda SP160 (Double Disc)

Engine 160 cc

Power 12.72 bhp

Mileage 45 kmpl

Brakes / ABS Single-Channel

Switch Variant

Price in BD ৳225,000

Details

💎 Best Value

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

POWER & HARDWARE #1

Honda SP160 ( Honda SP160 (Double Disc))

The Performance Benchmark

Delivers class-leading punch with 12.72 bhp and sharp throttle response. Backed by Single-Channel for riders demanding confidence in high-speed and emergency scenarios.

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

VALUE CHAMPION #2

Roadmaster Rex (Roadmaster Rex)

The Value Argument

Maximizes features per taka spent at ৳70,900. 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: 12.72 Bhp

Honda SP160 ( Honda SP160 (Double Disc)) 12.72 bhp @ 7500 rpm

Roadmaster Rex (Roadmaster Rex) 6 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 14.58 Nm

Honda SP160 ( Honda SP160 (Double Disc)) 14.58 Nm @ 5500 rpm

Roadmaster Rex (Roadmaster Rex) 0 Nm

Claimed Top Speeds

120 km/h

Honda SP160 ( Honda SP160 (Double Disc))

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.

Honda

Honda SP160 ( Honda SP160 (Double Disc))

7.9 / 10

Performance 9.5

Comfort 7.4

Tech & Features 7.4

Fuel Economy 8.6

Value for Money 6.5

Roadmaster

Roadmaster Rex (Roadmaster Rex)

8.3 / 10

Performance 7.7

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	Honda SP160	Roadmaster Rex
Brand	Honda	Roadmaster
CC	160	80
Regular Price	225000	70900
Bike Type	Standard	Commuter
Distributor/Seller	Bangladesh Honda Private Limited	Roadmaster Motors LTD
Model Year	2023	N/A
Brand Origin	Japan	N/A
Made In	India	N/A
Assemble In	Bangladesh	N/A
Launched Date	2024-07-13	N/A

Engine 15

Engine Type	4 Stroke, BS-VI	4 – Stroke Single Cylinder
Displacement	163.71	79
Maximum Power	12.72 Bhp @ 7500 RPM	6 Bhp @ 8000 RPM
Maximum Torque	14.58 NM @ 5500 RPM	0 NM @ 0 RPM
Bore	N/A	N/A
Stroke	N/A	N/A
Compression Ratio	10:1	N/A
Valves	2	N/A
Fuel Supply	Fuel Injection	Carburetor
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	10W30	N/A
Engine Oil Capacity	1L (Without Filter)	N/A
Best Lube For	Mobil Super Moto 10W30	N/A

Transmission 4

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

Mileage & Top Speed 2

Mileage	45 Kmpl (Approx)	60 Kmpl (Approx)
Top Speed	120 Kmph (Approx)	80 Kmph (Approx)

Chassis & Suspension 3

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

Brakes 6

Front Brake Type	Single Disc	Single Disc
Rear Brake Type	Disc Brake	Drum Brake
Front Brake Diameter	276 mm Petal	N/A
Rear Brake Diameter	220 mm	N/A
Anti-Lock Braking System (ABS)	Single-Channel	N/A
Braking System	Single Channel ABS	N/A

Wheels & Tyres 4

Front Tyre Size	80/100 - 17	2.50-17
Rear Tyre Size	130/70-17	2.75-17
Tyre Type	Tubeless	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2061 Mm	1940 mm
Overall Width	786 Mm	800 mm
Height	1113 Mm	1300 mm
Ground Clearance	175 Mm	N/A
Weight	141 Kg	88.8 Kg
Fuel Tank Capacity	12L	9.5L
Wheelbase	1350 Mm	1200 mm
Seat Height	796 mm	N/A

Electricals 5

Battery Type	mf	MF
Battery Voltage	12v	12v
Head Light	LED	Halogen
Tail Light	LED	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Digital	Analog
Odometer	Digital	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	Yes	No
Additional Feature	Hazard Switch, Seat Length - 594 mm, Gear position indicator	N/A