Head to head
Bockmann Portax Esprit vs Brian James C4 Transporter
The Bockmann Portax Esprit is a two-horse aluminium-bodied horsebox trailer. The Brian James C4 Transporter is a car transporter trailer.
Last reviewed 13 September 2026
Specifications side by side
| Bockmann Portax Esprit | Brian James C4 Transporter | |
|---|---|---|
| Gross weight | 2400kg | 2000-2600kg (range across C4 variants) |
| Payload | 1557kg | - |
| Unladen weight | approx. 843kg | - |
| Horse capacity | 2 horses | - |
| Body material | Aluminium | - |
| 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: Bockmann Portax Esprit, Brian James C4 Transporter. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax Esprit if...
Bockmann's entry-level model in its Portax range, built for owners wanting a durable two-horse trailer without the cost of the higher trims. Its light unladen weight keeps it towable by a mid-size 4x4 or pickup.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
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
Common questions
What is the difference between the Bockmann Portax Esprit and the Brian James C4 Transporter?
The Bockmann Portax Esprit is a two-horse aluminium-bodied horsebox trailer; the Brian James C4 Transporter is a car transporter trailer.
Can I tow the Bockmann Portax Esprit or the Brian James C4 Transporter 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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