Head to head
Brian James Race Box vs Ifor Williams GD84
The Brian James Race Box is 1.45m (5ft) longer inside and is 70cm (2.5ft) wider inside. The Ifor Williams GD84 carries 365kg more.
Last reviewed 13 September 2026
Key differences
- Internal length: the Brian James Race Box is 1.45m (5ft) longer inside.
- Internal width: the Brian James Race Box is 70cm (2.5ft) wider inside.
- Payload: the Ifor Williams GD84 carries 365kg more.
- Gross weight: the Brian James Race Box is rated 300kg heavier gross.
Specifications side by side
| Brian James Race Box | Ifor Williams GD84 | |
|---|---|---|
| Gross weight | 3000kg | 2700kg |
| Payload | up to 1885kg | 2250kg |
| Internal width | 1.95m | 1.25m |
| Internal length | 4.0m / 4.5m / 5.0m | 2.55m |
| Axles | Twin | Twin |
| Unladen weight | - | 450kg |
Sources: Brian James Race Box, Ifor Williams GD84. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Box if...
- you want one that is 1.45m (5ft) longer inside
- you want one that is 70cm (2.5ft) wider inside
- you want one that is rated 300kg heavier gross
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 GD84 if...
- you want one that carries 365kg more
A everyday farm and smallholding trailer for moving loose loads, logs or small livestock behind a 4x4 or pickup, chosen over the single-axle GD84 when the extra payload of a twin-axle chassis is needed.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James Race Box and the Ifor Williams GD84?
The Brian James Race Box is 1.45m (5ft) longer inside and is 70cm (2.5ft) wider inside. The Ifor Williams GD84 carries 365kg more. The Brian James Race Box is a a fully enclosed twin-axle car transporter for classics and small race cars; the Ifor Williams GD84 is a a general-purpose dropside trailer.
Which carries more, the Brian James Race Box or the Ifor Williams GD84?
The Ifor Williams GD84, by 365kg.
Can I tow the Brian James Race Box or the Ifor Williams GD84 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.