Head to head
Eco-Trailer Velocity iQ vs Equi-Trek Sonic 3,500kg
The Eco-Trailer Velocity iQ is 1,340kg lighter empty. The Equi-Trek Sonic 3,500kg is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 1,340kg more empty.
- Gross weight: the Equi-Trek Sonic 3,500kg is rated 500kg heavier gross.
Specifications side by side
| Eco-Trailer Velocity iQ | Equi-Trek Sonic 3,500kg | |
|---|---|---|
| Gross weight | 3,000kg | 3500kg |
| Unladen weight | 980kg | 2320kg |
| Payload | 2,020kg | - |
| Overall dimensions | 7.15m x 2.48m x 2.40m | - |
| Bed length | 4.88m | - |
Sources: Eco-Trailer Velocity iQ, Equi-Trek Sonic 3,500kg. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Velocity iQ if...
- you want one that is 1,340kg lighter empty
An enclosed trailer that keeps a car dry and out of sight in transit, built on Eco-Trailer's own chassis. Motorsport teams and car traders hire it to move a vehicle without exposing it to weather or attention on the road.
Listed by
- OK Racing Trailer Hire - Hertfordshire
Buy or hire the Sonic 3,500kg if...
- you want one that is rated 500kg heavier gross
A compact motorised horsebox pitched as easy to drive day to day, for owners of one or two horses who want a small horsebox rather than a trailer and tow car. It is one of Equi-Trek's lower-cost motorised models.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Eco-Trailer Velocity iQ and the Equi-Trek Sonic 3,500kg?
The Eco-Trailer Velocity iQ is 1,340kg lighter empty. The Equi-Trek Sonic 3,500kg is rated 500kg heavier gross. The Eco-Trailer Velocity iQ is a enclosed car transporter trailer; the Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox.
Which is lighter, the Eco-Trailer Velocity iQ or the Equi-Trek Sonic 3,500kg?
The Eco-Trailer Velocity iQ. It is 1,340kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Eco-Trailer Velocity iQ or the Equi-Trek Sonic 3,500kg on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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