Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Ifor Williams Transporta
The Ifor Williams Transporta is 1,020kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 1,020kg more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Ifor Williams Transporta | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 2500kg | 1480kg |
| Internal length | - | 5220mm |
| Internal width | - | 2236mm |
| Overall length | - | 6595mm |
Sources: Equi-Trek Sonic Five Seats 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 Five Seats 3,500kg if...
A five-seat cab variant of the Sonic, aimed at families or small teams who want to travel together to competitions rather than sending a second car. It carries the same horse capacity as the standard Sonic.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
Buy or hire the Transporta if...
- you want one that is 1,020kg 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 Five Seats 3,500kg and the Ifor Williams Transporta?
The Ifor Williams Transporta is 1,020kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Ifor Williams Transporta is a motorsport car transporter trailer.
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Ifor Williams Transporta?
The Ifor Williams Transporta. It is 1,020kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
Can I tow the Equi-Trek Sonic Five Seats 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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