Head to head
Equi-Trek Super Sonic 4T vs Ifor Williams GD105
The Equi-Trek Super Sonic 4T is a horsebox or horse trailer. The Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed.
Last reviewed 13 September 2026
Specifications side by side
| Equi-Trek Super Sonic 4T | Ifor Williams GD105 | |
|---|---|---|
| Brakes | Braked | Braked |
| Gross weight | - | 2,700kg |
| Unladen weight | - | 585kg |
| Internal bed | - | 3.11m x 1.58m (10ft 2in x 5ft 2in) |
Sources: Equi-Trek Super Sonic 4T, Ifor Williams GD105. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Super Sonic 4T if...
Equi-Trek Super Sonic 4T, carried by UK dealers and hire companies listed on GetBrent for sale. Horseboxes and horse trailers like this are chosen by private owners and competition yards moving horses to shows, vets and new yards.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the GD105 if...
The same market as the GD85 with about 60cm more bed length, which is the difference between fitting a load and not. Landscapers and anyone moving long materials or a quad choose it for the length rather than the payload, which is unchanged.
Listed by
- Blendworth Trailers - Rowland's Castle
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Equi-Trek Super Sonic 4T and the Ifor Williams GD105?
The Equi-Trek Super Sonic 4T is a horsebox or horse trailer; the Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed.
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.