Head to head
Brian James C4 Blue vs Ifor Williams P7e
The Ifor Williams P7e is 502kg lighter empty. The Brian James C4 Blue is rated 1,850kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James C4 Blue weighs 502kg more empty.
- Gross weight: the Brian James C4 Blue is rated 1,850kg heavier gross.
Specifications side by side
| Brian James C4 Blue | Ifor Williams P7e | |
|---|---|---|
| Gross weight | 2,600kg | 750kg |
| Unladen weight | 695kg | 193kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Payload | - | 557kg |
| Internal bed | - | 2.21m x 1.21m |
| Brakes | - | Unbraked |
Sources: Brian James C4 Blue, Ifor Williams P7e. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 Blue if...
- you want one that is rated 1,850kg heavier gross
A twin-axle open car transporter built to carry one road or track car behind a family car or 4x4. Track-day drivers and small vehicle traders hire it for moving a single car without the cost of an enclosed trailer.
Full C4 Blue specifications →Buy or hire the P7e if...
- you want one that is 502kg lighter empty
For buyers who find the P6e's bed a little short for longer items like ladders or fencing panels, on the same unbraked 750kg chassis.
Listed by
- Cobham Trailer Hire - Cobham, East Horsley
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James C4 Blue and the Ifor Williams P7e?
The Ifor Williams P7e is 502kg lighter empty. The Brian James C4 Blue is rated 1,850kg heavier gross. The Brian James C4 Blue is a twin-axle car transporter trailer; the Ifor Williams P7e is a a slightly longer unbraked general-purpose trailer.
Which is lighter, the Brian James C4 Blue or the Ifor Williams P7e?
The Ifor Williams P7e. It is 502kg lighter empty than the Brian James C4 Blue.
Can I tow the Brian James C4 Blue or the Ifor Williams P7e 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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