Head to head
Brian James A4 Transporter vs Humbaur Steely
The Brian James A4 Transporter is rated 2,250kg heavier gross and carries 1.6 tonnes more.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James A4 Transporter is rated 2,250kg heavier gross.
- Payload: the Brian James A4 Transporter carries 1.6 tonnes more.
Specifications side by side
| Brian James A4 Transporter | Humbaur Steely | |
|---|---|---|
| Gross weight | 3000kg | 750kg |
| Payload | 2230kg | 630kg |
| Unladen weight | 770kg | - |
| Internal bed | 4.5m x 2.0m | - |
| Axles | Twin axle | - |
| Inner length | - | 2050mm |
| Inner width | - | 1095mm |
Sources: Brian James A4 Transporter, Humbaur Steely. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A4 Transporter if...
- you want one that is rated 2,250kg heavier gross
- you want one that carries 1.6 tonnes more
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
Buy or hire the Steely if...
The Steely is Humbaur's budget single-axle trailer, built with a hot-dip galvanised chassis as what the manufacturer describes as an entry point into trailer ownership. It suits light garden, construction-site and hobby loads rather than heavier trade use.
Full Steely specifications →Common questions
What is the difference between the Brian James A4 Transporter and the Humbaur Steely?
The Brian James A4 Transporter is rated 2,250kg heavier gross and carries 1.6 tonnes more. 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.; the Humbaur Steely is a a small, unbraked single-axle flatbed trailer aimed at first-time buyers and light garden/site use..
Which carries more, the Brian James A4 Transporter or the Humbaur Steely?
The Brian James A4 Transporter, by 1.6 tonnes.
Can I tow the Brian James A4 Transporter or the Humbaur Steely 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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