Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Richardson Trailers Supreme Ultra
The Richardson Trailers Supreme Ultra is 1.4 tonnes lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 1.4 tonnes more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Richardson Trailers Supreme Ultra | |
|---|---|---|
| Unladen weight | 2500kg | 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 Five Seats 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 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 Supreme Ultra if...
- you want one that is 1.4 tonnes 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 Five Seats 3,500kg and the Richardson Trailers Supreme Ultra?
The Richardson Trailers Supreme Ultra is 1.4 tonnes lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised 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 Five Seats 3,500kg or the Richardson Trailers Supreme Ultra?
The Richardson Trailers Supreme Ultra. It is 1.4 tonnes lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
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