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Side-by-Side Bike Comparison · September 2026

Roadmaster Rex vs Runner Turbo 125 Matt

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

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💎 Best Value

Roadmaster

Roadmaster Rex

Engine 80 cc

Power 6 bhp

Mileage 60 kmpl

Brakes / ABS N/A

Price in BD ৳70,900

Details

⚡ Power Leader

RUNNER

Runner Turbo 125 Matt

Engine 125 cc

Power 11.26 bhp

Mileage 50 kmpl

Brakes / ABS No

Switch Variant

Price in BD ৳155,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

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.

POWER & HARDWARE #2

Runner Turbo 125 Matt (Runner Turbo 125 Matt)

The Performance Benchmark

Delivers class-leading punch with 11.26 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.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 11.26 Bhp

Roadmaster Rex (Roadmaster Rex) 6 bhp @ 8000 rpm

Runner Turbo 125 Matt (Runner Turbo 125 Matt) 11.26 bhp @ 8500 rpm

Peak Torque Delivery (Nm) Top: 11 Nm

Roadmaster Rex (Roadmaster Rex) 0 Nm

Runner Turbo 125 Matt (Runner Turbo 125 Matt) 11 Nm @ 7000 rpm

Claimed Top Speeds

80 km/h

Roadmaster Rex (Roadmaster Rex)

90 km/h

Runner Turbo 125 Matt (Runner Turbo 125 Matt)

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.

Roadmaster

Roadmaster Rex (Roadmaster Rex)

8.3 / 10

Performance 7.9

Comfort 8.5

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.8

RUNNER

Runner Turbo 125 Matt (Runner Turbo 125 Matt)

8.1 / 10

Performance 9.5

Comfort 7.9

Tech & Features 7.4

Fuel Economy 8.9

Value for Money 6.7

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Roadmaster Rex	Runner Turbo 125 Matt
Brand	Roadmaster	Runner
CC	80	125
Regular Price	70900	155000
Bike Type	Commuter	Commuter
Distributor/Seller	Roadmaster Motors LTD	Runner Automobiles Limited
Model Year	N/A	N/A
Brand Origin	N/A	Bangladesh
Made In	N/A	Bangladesh
Assemble In	N/A	Bangladesh
Launched Date	N/A	N/A

Engine 15

Engine Type	4 – Stroke Single Cylinder	Air-cooled, 4 stroke Petrol Engine
Displacement	79	124.84
Maximum Power	6 Bhp @ 8000 RPM	11.26 Bhp @ 8500 RPM
Maximum Torque	0 NM @ 0 RPM	11 NM @ 7000 RPM
Bore	N/A	57.03 mm
Stroke	N/A	48.89 mm
Compression Ratio	N/A	9.5:1
Valves	N/A	2
Fuel Supply	Carburetor	Carburetor
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	N/A	N/A
Engine Oil Capacity	N/A	N/A
Best Lube For	N/A	N/A

Transmission 4

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

Mileage & Top Speed 2

Mileage	60 Kmpl (Approx)	50 Kmpl (Approx)
Top Speed	80 Kmph (Approx)	90 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	Diamond Frame
Front Suspension	Telescopic	Hydraulic Telescopic
Rear Suspension	Twin-Spring loaded	Coil spring Hydraulic

Brakes 6

Front Brake Type	Single Disc	Hydraulic 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)	N/A	No
Braking System	N/A	Single Disc

Wheels & Tyres 4

Front Tyre Size	2.50-17	2.75-18
Rear Tyre Size	2.75-17	90/90-18
Tyre Type	Tubetyre	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1940 mm	2020 mm
Overall Width	800 mm	840 mm
Height	1300 mm	1240 mm
Ground Clearance	N/A	160 mm
Weight	88.8 Kg	133 KG
Fuel Tank Capacity	9.5L	15 Liters
Wheelbase	1200 mm	1320 mm
Seat Height	N/A	800 mm

Electricals 5

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

Features 8

Speedometer	Analog	Digital
Odometer	Analog	Digital
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