Head to head
Equi-Trek Sonic 3,500kg vs Richardson Trailers Supreme Ultra
The Richardson Trailers Supreme Ultra is 1,220kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 1,220kg more empty.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Richardson Trailers Supreme Ultra | |
|---|---|---|
| Unladen weight | 2320kg | 1100 kg |
| Gross weight | 3500kg | - |
| Maximum gross weight | - | 3200 kg |
| Overall length | - | 5.00 m (16 ft 5 in) |
| Internal length | - | 3.54 m (11 ft 7 in) |
| Internal width | - | 1.80 m (5 ft 11 in) |
Sources: Equi-Trek Sonic 3,500kg, Richardson Trailers Supreme Ultra. 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 Supreme Ultra if...
- you want one that is 1,220kg lighter empty
The Supreme Ultra suits owners looking for a well-established British-built two-horse trailer able to carry a pair of taller horses, since sellers describe it as taking two horses up to about 17.2hh. As a long-running Richardson model it is more often found on the used market now than ordered new.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the Richardson Trailers Supreme Ultra?
The Richardson Trailers Supreme Ultra is 1,220kg lighter empty. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; the Richardson Trailers Supreme Ultra is a a two-horse trailer from British manufacturer Richardson, part of its Supreme range of horse trailers..
Which is lighter, the Equi-Trek Sonic 3,500kg or the Richardson Trailers Supreme Ultra?
The Richardson Trailers Supreme Ultra. It is 1,220kg lighter empty than the Equi-Trek Sonic 3,500kg.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
