Head to head
Brian James C4 Blue vs Ifor Williams GX105 HD
The Ifor Williams GX105 HD is rated 900kg heavier gross and is 5kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GX105 HD is rated 900kg heavier gross.
- Unladen weight: the Brian James C4 Blue weighs 5kg more empty.
Specifications side by side
| Brian James C4 Blue | Ifor Williams GX105 HD | |
|---|---|---|
| Gross weight | 2,600kg | 3500kg |
| Unladen weight | 695kg | 690kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Payload | - | 2810kg |
| Internal bed | - | 3.03m x 1.57m |
Sources: Brian James C4 Blue, Ifor Williams GX105 HD. 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 GX105 HD if...
- you want one that is rated 900kg heavier gross
- you want one that is 5kg lighter empty
For plant hire operators moving heavier compact machinery on the same bed footprint as the GX105, where the standard trailer's 2700kg gross weight would leave too little payload.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James C4 Blue and the Ifor Williams GX105 HD?
The Ifor Williams GX105 HD is rated 900kg heavier gross and is 5kg lighter empty. The Brian James C4 Blue is a twin-axle car transporter trailer; the Ifor Williams GX105 HD is a a heavy-duty version of the GX105 plant trailer.
Which is lighter, the Brian James C4 Blue or the Ifor Williams GX105 HD?
The Ifor Williams GX105 HD. It is 5kg lighter empty than the Brian James C4 Blue.
Can I tow the Brian James C4 Blue or the Ifor Williams GX105 HD 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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