Head to head
Brian James C4 Transporter vs Ifor Williams GX
The Ifor Williams GX is rated 700kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams GX is rated 700kg heavier gross.
Specifications side by side
| Brian James C4 Transporter | Ifor Williams GX | |
|---|---|---|
| Gross weight | 2000-2600kg (range across C4 variants) | 2700-3500kg |
| Deck length | 12ft 2in (3.7m) loading area, up to 16ft overall | - |
| Deck width | 5ft 10in - 6ft | - |
| Axles | 2 | - |
| Ramps | 8ft loading ramps included | - |
Sources: Brian James C4 Transporter, Ifor Williams GX. 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 GX if...
- you want one that is rated 700kg heavier gross
Ifor Williams GX, carried by UK dealers and hire companies listed on GetBrent for sale. Plant trailers are the working end of groundworks: contractors and hire firms use them to move mini diggers, dumpers and rollers between sites.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James C4 Transporter and the Ifor Williams GX?
The Ifor Williams GX is rated 700kg heavier gross. The Brian James C4 Transporter is a car transporter trailer; the Ifor Williams GX is a plant trailer range.
Can I tow the Brian James C4 Transporter or the Ifor Williams GX 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.
