Head to head
Brian James C4 Blue vs Ifor Williams GD84
The Ifor Williams GD84 is 245kg lighter empty and is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James C4 Blue weighs 245kg more empty.
- Gross weight: the Ifor Williams GD84 is rated 100kg heavier gross.
Specifications side by side
| Brian James C4 Blue | Ifor Williams GD84 | |
|---|---|---|
| Gross weight | 2,600kg | 2700kg |
| Unladen weight | 695kg | 450kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Payload | - | 2250kg |
| Internal length | - | 2.55m |
| Internal width | - | 1.25m |
| Axles | - | Twin |
Sources: Brian James C4 Blue, Ifor Williams GD84. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 Blue if...
A twin-axle open car transporter built to carry one road or track car behind a family car or 4x4. Track-day drivers and small vehicle traders hire it for moving a single car without the cost of an enclosed trailer.
Full C4 Blue specifications →Buy or hire the GD84 if...
- you want one that is 245kg lighter empty
- you want one that is rated 100kg heavier gross
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
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Brian James C4 Blue and the Ifor Williams GD84?
The Ifor Williams GD84 is 245kg lighter empty and is rated 100kg heavier gross. The Brian James C4 Blue is a twin-axle car transporter trailer; the Ifor Williams GD84 is a a general-purpose dropside trailer.
Which is lighter, the Brian James C4 Blue or the Ifor Williams GD84?
The Ifor Williams GD84. It is 245kg lighter empty than the Brian James C4 Blue.
Can I tow the Brian James C4 Blue 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.
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