Head to head
Brian James C4 Transporter vs Ifor Williams GD105
The Brian James C4 Transporter is a car transporter trailer. The Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed.
Last reviewed 13 September 2026

Specifications side by side
| Brian James C4 Transporter | Ifor Williams GD105 | |
|---|---|---|
| Gross weight | 2000-2600kg (range across C4 variants) | 2,700kg |
| Deck length | 12ft 2in (3.7m) loading area, up to 16ft overall | - |
| Deck width | 5ft 10in - 6ft | - |
| Axles | 2 | - |
| Ramps | 8ft loading ramps included | - |
| Unladen weight | - | 585kg |
| Internal bed | - | 3.11m x 1.58m (10ft 2in x 5ft 2in) |
| Brakes | - | Braked |
Sources: Brian James C4 Transporter, Ifor Williams GD105. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 Transporter if...
A twin-axle trailer for moving a single car, van or small plant item, used by garages, racers and recovery firms. It is light enough for many family cars to tow while still carrying a saloon or hatchback on its own wheels.
Listed by
- Lancaster trailer hire - ELY
- Derby Trailer Hire Limited - Derby
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 Brian James C4 Transporter and the Ifor Williams GD105?
The Brian James C4 Transporter is a car transporter trailer; the Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed.
Can I tow the Brian James C4 Transporter or the Ifor Williams GD105 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.
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.
