Head to head
Brian James Race Box vs Ifor Williams GP
The Ifor Williams GP is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GP is rated 500kg heavier gross.
Specifications side by side
| Brian James Race Box | Ifor Williams GP | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Axles | Twin | Tri-axle |
| Payload | up to 1885kg | - |
| Internal width | 1.95m | - |
| Internal length | 4.0m / 4.5m / 5.0m | - |
Sources: Brian James Race Box, Ifor Williams GP. 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 GP if...
- you want one that is rated 500kg heavier gross
Ifor Williams GP, carried by UK dealers and hire companies listed on GetBrent for sale. Plant trailers are the working end of groundworks: contractors and hire firms use them to move mini diggers, dumpers and rollers between sites.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams GP?
The Ifor Williams GP 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 GP is a plant trailer range.
Can I tow the Brian James Race Box or the Ifor Williams GP 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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