Head to head
Equi-Trek Sonic Five Seats 3,500kg vs Erde 122
The Erde 122 is 2,435kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic Five Seats 3,500kg weighs 2,435kg more empty.
Specifications side by side
| Equi-Trek Sonic Five Seats 3,500kg | Erde 122 | |
|---|---|---|
| Unladen weight | 2500kg | 65kg |
| Gross weight | 3500kg | - |
| Payload | - | 337kg |
| Internal length | - | 120cm |
| Internal width | - | 92cm |
| Internal height | - | 35cm |
Sources: Equi-Trek Sonic Five Seats 3,500kg, Erde 122. 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 122 if...
- you want one that is 2,435kg lighter empty
Erde's smallest general purpose trailer, bought by owners of small cars who want an occasional-use trailer for camping gear or light DIY loads.
Listed by
- Towy Trailer Centre - Llandeilo, Ffairfach
- Trailer Centre - Rowley Regis
Common questions
What is the difference between the Equi-Trek Sonic Five Seats 3,500kg and the Erde 122?
The Erde 122 is 2,435kg lighter empty. The Equi-Trek Sonic Five Seats 3,500kg is a 5-seat version of the Sonic motorised horsebox; the Erde 122 is a a small unbraked single-axle camping and leisure trailer..
Which is lighter, the Equi-Trek Sonic Five Seats 3,500kg or the Erde 122?
The Erde 122. It is 2,435kg lighter empty than the Equi-Trek Sonic Five Seats 3,500kg.
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