Scooters
2011Derbi Sonar 50 2T
34 fields on record
The 2011 Derbi Sonar 50 2T is an entry-level scooter ideal for learners and urban commuters seeking an affordable, lightweight ride. Powered by a simple air-cooled two-stroke engine with automatic transmission, it delivers modest performance suited to city streets and short journeys. Known for its reliability and ease of use, the Sonar 50 remains a practical choice for budget-conscious riders prioritizing convenience over power.
- Capacity
- 49.4 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 95.0 kg
- Seat height
- 795 mm
- Power
- 4.6 HP (3.4 kW) @ 7250 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for short urban hops, running errands, and light commuting rather than any kind of performance riding.
- Built for
- A humble, no-frills 50cc two-stroke commuter that favors practicality and easy maneuverability over any excitement.
- Not ideal for
- Not suitable for highway travel, long-distance touring, carrying a passenger comfortably, or riders seeking any real performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 49.4 ccm
- Power
- 4.6 HP (3.4 kW) @ 7250 RPM
- Torque
- 4.7 Nm (0.5 kgf-m) @ 6750 RPM
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.0484 HP/kg (dry)
- Bore x stroke
- 40.0 x 39.3 mm
- Compression
- 10.9:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Lubrication system
- Mechanical oil pump
Transmission
- Transmission type
- Automatic
- Final drive
- Belt
- Clutch
- Automatic centrifugal
Dimensions & weight
- Wheelbase
- 1340 mm
- Overall length
- 1960 mm
- Overall width
- 735 mm
- Seat height
- 795 mm
- Dry weight
- 95.0 kg
- Wet weight
- 100.0 kg
- Fuel capacity
- 6.00 litres
- Carrying capacity
- Compartment underthe seat to hold a jet helmet.
Chassis & suspension
- Front suspension
- Hydraulic fork.
- Rear suspension
- Single shock absorber
- Front wheel travel
- 76 mm
- Rear wheel travel
- 64 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 220 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 140 mm
- Front tyre
- 90/80-16
- Rear tyre
- 110/80-14
Other
- Color options
- Black, white, red
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2010 | 2011 | 2012 |
|---|---|---|---|
| Capacity | 49 cc | 49 cc | 49 cc |
| Dry weight | 95 kg | 95 kg | 95 kg |
| Seat height | 795 mm | 795 mm | 795 mm |
| Fuel capacity | 6 L | 6 L | 6 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Derbi Sonar 50 2T?
The 2011 Derbi Sonar 50 2T has a Capacity of 49.4 ccm (3.01 cubic inches).
What engine power does the Derbi Sonar 50 2T have?
The 2011 Derbi Sonar 50 2T has a Power of 4.6 HP (3.4 kW) @ 7250 RPM.
What is the torque of the Derbi Sonar 50 2T?
The 2011 Derbi Sonar 50 2T has a Torque of 4.7 Nm (0.5 kgf-m or 3.5 ft.lbs) @ 6750 RPM.
How much does the Derbi Sonar 50 2T weigh?
The 2011 Derbi Sonar 50 2T has a Dry weight of 95.0 kg (209.4 pounds).
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