Head to head
Brian James C4 Transporter vs Brian James Race Box
The Brian James C4 Transporter is a car transporter trailer. The Brian James Race Box is a a fully enclosed twin-axle car transporter for classics and small race cars.
Last reviewed 13 September 2026
Specifications side by side
| Brian James C4 Transporter | Brian James Race Box | |
|---|---|---|
| Gross weight | 2000-2600kg (range across C4 variants) | 3000kg |
| Axles | 2 | Twin |
| Deck length | 12ft 2in (3.7m) loading area, up to 16ft overall | - |
| Deck width | 5ft 10in - 6ft | - |
| Ramps | 8ft loading ramps included | - |
| Payload | - | up to 1885kg |
| Internal width | - | 1.95m |
| Internal length | - | 4.0m / 4.5m / 5.0m |
Sources: Brian James C4 Transporter, Brian James Race Box. Figures vary by model year and options, so check with the supplier before you commit.
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
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
Common questions
What is the difference between the Brian James C4 Transporter and the Brian James Race Box?
The Brian James C4 Transporter is a car transporter trailer; the Brian James Race Box is a a fully enclosed twin-axle car transporter for classics and small race cars.
Can I tow the Brian James C4 Transporter or the Brian James Race Box 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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