Head to head
Equi-Trek Sonic 3,500kg vs Ifor Williams GX106
The Ifor Williams GX106 is 1,605kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Equi-Trek Sonic 3,500kg weighs 1,605kg more empty.
Specifications side by side
| Equi-Trek Sonic 3,500kg | Ifor Williams GX106 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 2320kg | 715kg |
| Payload | - | 2785kg |
| Internal bed | - | 3.03m x 1.84m |
Sources: Equi-Trek Sonic 3,500kg, Ifor Williams GX106. 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 GX106 if...
- you want one that is 1,605kg lighter empty
Bought where machinery is too wide for the 1.57m GX105HD bed but the shorter 3.03m length is still enough, typically for wider skid-steers and small rollers.
Listed by
- Southeast Trailers - Maidstone, Yalding, Nettlestead Green
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Equi-Trek Sonic 3,500kg and the Ifor Williams GX106?
The Ifor Williams GX106 is 1,605kg lighter empty. The Equi-Trek Sonic 3,500kg is a compact 3.5 tonne motorised 2-horse horsebox; the Ifor Williams GX106 is a a wide-bed 3500kg plant trailer.
Which is lighter, the Equi-Trek Sonic 3,500kg or the Ifor Williams GX106?
The Ifor Williams GX106. It is 1,605kg lighter empty than the Equi-Trek Sonic 3,500kg.
Can I tow the Equi-Trek Sonic 3,500kg or the Ifor Williams GX106 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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