Head to head
Equi-Trek Sonic 3,500kg vs Ifor Williams Transporta
The Ifor Williams Transporta is 840kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 840kg more empty.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Ifor Williams Transporta | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 2320kg | 1480kg |
| Internal length | - | 5220mm |
| Internal width | - | 2236mm |
| Overall length | - | 6595mm |
Sources: Equi-Trek Sonic 3,500kg, Ifor Williams Transporta. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Sonic 3,500kg if...
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
Buy or hire the Transporta if...
- you want one that is 840kg lighter empty
A car transporter trailer aimed at racers and track day drivers moving a single competition car, sitting within Ifor Williams's wider car transporter range alongside its tiltbed and beavertail designs.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the Ifor Williams Transporta?
The Ifor Williams Transporta is 840kg lighter empty. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; the Ifor Williams Transporta is a motorsport car transporter trailer.
Which is lighter, the Equi-Trek Sonic 3,500kg or the Ifor Williams Transporta?
The Ifor Williams Transporta. It is 840kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Equi-Trek Sonic 3,500kg or the Ifor Williams Transporta 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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