Head to head
Brian James Race Transporter 4 vs Ifor Williams P5
The Ifor Williams P5 is 1,039kg lighter empty. The Brian James Race Transporter 4 is rated 3 tonnes heavier gross and carries 1,961kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James Race Transporter 4 weighs 1,039kg more empty.
- Gross weight: the Brian James Race Transporter 4 is rated 3 tonnes heavier gross.
- Payload: the Brian James Race Transporter 4 carries 1,961kg more.
- Internal bed: the Brian James Race Transporter 4 has a bed 3.47m (11.5ft) longer.
Specifications side by side
| Brian James Race Transporter 4 | Ifor Williams P5 | |
|---|---|---|
| Gross weight | 3500kg | 500kg |
| Unladen weight | from 1180kg | 141kg |
| Payload | up to 2320kg | 359kg |
| Internal bed | 5.0m / 5.5m long | 1.53m x 1.02m |
| Internal width | 2.12m | - |
| Axles | Twin | - |
| Brakes | - | Unbraked |
Sources: Brian James Race Transporter 4, Ifor Williams P5. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 4 if...
- you want one that is rated 3 tonnes heavier gross
- you want one that carries 1,961kg more
- you want one that has a bed 3.47m (11.5ft) longer
Aimed at motorsport teams and vehicle recovery operators who need a hydraulic tilt-bed for easy low loading of a single car. It is the entry point into the numbered Race Transporter range, below the 5, 6 and 7.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Bicester Trailer Centre - Bicester
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the P5 if...
- you want one that is 1,039kg lighter empty
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.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James Race Transporter 4 and the Ifor Williams P5?
The Ifor Williams P5 is 1,039kg lighter empty. The Brian James Race Transporter 4 is rated 3 tonnes heavier gross and carries 1,961kg more. The Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter; the Ifor Williams P5 is a the smallest unbraked domestic trailer Ifor Williams makes.
Which is lighter, the Brian James Race Transporter 4 or the Ifor Williams P5?
The Ifor Williams P5. It is 1,039kg lighter empty than the Brian James Race Transporter 4.
Which carries more, the Brian James Race Transporter 4 or the Ifor Williams P5?
The Brian James Race Transporter 4, by 1,961kg.
Can I tow the Brian James Race Transporter 4 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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