Head to head
Bockmann Portax Esprit vs Brian James C4 Blue
The Brian James C4 Blue is 148kg lighter empty and is rated 200kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Bockmann Portax Esprit weighs 148kg more empty.
- Gross weight: the Brian James C4 Blue is rated 200kg heavier gross.
Specifications side by side
| Bockmann Portax Esprit | Brian James C4 Blue | |
|---|---|---|
| Gross weight | 2400kg | 2,600kg |
| Unladen weight | approx. 843kg | 695kg |
| Payload | 1557kg | - |
| Horse capacity | 2 horses | - |
| Body material | Aluminium | - |
| Bed length | - | 5.0m |
| Bed width | - | 2.0m |
Sources: Bockmann Portax Esprit, Brian James C4 Blue. 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 Blue if...
- you want one that is 148kg lighter empty
- you want one that is rated 200kg 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 →Common questions
What is the difference between the Bockmann Portax Esprit and the Brian James C4 Blue?
The Brian James C4 Blue is 148kg lighter empty and is rated 200kg heavier gross. The Bockmann Portax Esprit is a two-horse aluminium-bodied horsebox trailer; the Brian James C4 Blue is a twin-axle car transporter trailer.
Which is lighter, the Bockmann Portax Esprit or the Brian James C4 Blue?
The Brian James C4 Blue. It is 148kg lighter empty than the Bockmann Portax Esprit.
Can I tow the Bockmann Portax Esprit or the Brian James C4 Blue 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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