Head to head
Brian James C4 vs Ifor Williams P5
The Brian James C4 is rated 2.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James C4 is rated 2.1 tonnes heavier gross.
Specifications side by side
| Brian James C4 | Ifor Williams P5 | |
|---|---|---|
| Gross weight | 2600kg | 500kg |
| Axles | Twin | - |
| Size | 2m x 4.5m loading area | - |
| Unladen weight | - | 141kg |
| Payload | - | 359kg |
| Internal bed | - | 1.53m x 1.02m |
| Brakes | - | Unbraked |
Sources: Brian James C4, Ifor Williams P5. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 if...
- you want one that is rated 2.1 tonnes heavier gross
Brian James C4, carried by UK dealers and hire companies listed on GetBrent for hire. Car transporters in this class are hired and bought by track-day drivers, classic car owners and recovery firms who need to move a vehicle without driving it.
Listed by
- Cobham Trailer Hire - Cobham, East Horsley
- R M Trailer Centre - Middlesbrough, North Ormesby
Buy or hire the P5 if...
A light general-purpose trailer for domestic buyers moving garden waste, small loads or a mower, chosen for its low unladen weight so it can be towed by almost any car.
Full P5 specifications →Common questions
What is the difference between the Brian James C4 and the Ifor Williams P5?
The Brian James C4 is rated 2.1 tonnes heavier gross. The Brian James C4 is a car transporter trailer; the Ifor Williams P5 is a the smallest unbraked domestic trailer Ifor Williams makes.
Can I tow the Brian James C4 or the Ifor Williams P5 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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