Head to head
Brian James Race Box vs Ifor Williams Transporta
The Ifor Williams Transporta is 1.22m (4ft) longer inside and is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Internal length: the Ifor Williams Transporta is 1.22m (4ft) longer inside.
- Gross weight: the Ifor Williams Transporta is rated 500kg heavier gross.
- Internal width: the Ifor Williams Transporta is 29cm wider inside.
Specifications side by side
| Brian James Race Box | Ifor Williams Transporta | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Internal width | 1.95m | 2236mm |
| Internal length | 4.0m / 4.5m / 5.0m | 5220mm |
| Payload | up to 1885kg | - |
| Axles | Twin | - |
| Unladen weight | - | 1480kg |
| Overall length | - | 6595mm |
Sources: Brian James Race Box, Ifor Williams Transporta. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Box if...
Positioned for classic car owners and smaller motorsport teams who want their car fully enclosed and weatherproof but do not need the wider bed of the Race Sport or Race Transporter ranges. The narrower internal width suits a single classic or compact race car rather than a modern GT car.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the Transporta if...
- you want one that is 1.22m (4ft) longer inside
- you want one that is rated 500kg heavier gross
- you want one that is 29cm wider inside
A car transporter trailer aimed at racers and track day drivers moving a single competition car, sitting within Ifor Williams's wider car transporter range alongside its tiltbed and beavertail designs.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams Transporta?
The Ifor Williams Transporta is 1.22m (4ft) longer inside and is rated 500kg heavier gross. The Brian James Race Box is a a fully enclosed twin-axle car transporter for classics and small race cars; the Ifor Williams Transporta is a motorsport car transporter trailer.
Can I tow the Brian James Race Box or the Ifor Williams Transporta 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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