Head to head
Bockmann Portax Esprit vs Brian James A4 Transporter
The Brian James A4 Transporter carries 673kg more and is rated 600kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Payload: the Brian James A4 Transporter carries 673kg more.
- Gross weight: the Brian James A4 Transporter is rated 600kg heavier gross.
- Unladen weight: the Bockmann Portax Esprit weighs 73kg more empty.
Specifications side by side
| Bockmann Portax Esprit | Brian James A4 Transporter | |
|---|---|---|
| Gross weight | 2400kg | 3000kg |
| Payload | 1557kg | 2230kg |
| Unladen weight | approx. 843kg | 770kg |
| Horse capacity | 2 horses | - |
| Body material | Aluminium | - |
| Internal bed | - | 4.5m x 2.0m |
| Axles | - | Twin axle |
Sources: Bockmann Portax Esprit, Brian James A4 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 A4 Transporter if...
- you want one that carries 673kg more
- you want one that is rated 600kg heavier gross
- you want one that is 73kg lighter empty
The A4 Transporter suits driving schools, small dealers and enthusiasts who need to move one car at a time behind a car-derived tow vehicle, offering a simple twin-axle bed without the cost of a beavertail or enclosed body. Its compact size makes it easier to store and manoeuvre than the longer trailers in the A Transporter range.
Listed by
- Compass Trailers - Lewes, Ringmer
- Saxons Trailers - Westerham, Biggin Hill
- R M Trailer Centre - Middlesbrough, North Ormesby
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Common questions
What is the difference between the Bockmann Portax Esprit and the Brian James A4 Transporter?
The Brian James A4 Transporter carries 673kg more and is rated 600kg heavier gross. The Bockmann Portax Esprit is a two-horse aluminium-bodied horsebox trailer; the Brian James A4 Transporter is a twin-axle open car transporter trailer from Brian James' A Transporter range, built for towing one car on a 4.5m bed..
Which is lighter, the Bockmann Portax Esprit or the Brian James A4 Transporter?
The Brian James A4 Transporter. It is 73kg lighter empty than the Bockmann Portax Esprit.
Which carries more, the Bockmann Portax Esprit or the Brian James A4 Transporter?
The Brian James A4 Transporter, by 673kg.
Can I tow the Bockmann Portax Esprit or the Brian James A4 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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