Head to head
Brian James C4 Blue vs Ifor Williams GD105
The Ifor Williams GD105 is 110kg lighter empty and is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James C4 Blue weighs 110kg more empty.
- Gross weight: the Ifor Williams GD105 is rated 100kg heavier gross.
Specifications side by side
| Brian James C4 Blue | Ifor Williams GD105 | |
|---|---|---|
| Gross weight | 2,600kg | 2,700kg |
| Unladen weight | 695kg | 585kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Internal bed | - | 3.11m x 1.58m (10ft 2in x 5ft 2in) |
| Brakes | - | Braked |
Sources: Brian James C4 Blue, Ifor Williams GD105. 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 GD105 if...
- you want one that is 110kg lighter empty
- you want one that is rated 100kg heavier gross
The same market as the GD85 with about 60cm more bed length, which is the difference between fitting a load and not. Landscapers and anyone moving long materials or a quad choose it for the length rather than the payload, which is unchanged.
Listed by
- Blendworth Trailers - Rowland's Castle
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James C4 Blue and the Ifor Williams GD105?
The Ifor Williams GD105 is 110kg lighter empty and is rated 100kg heavier gross. The Brian James C4 Blue is a twin-axle car transporter trailer; the Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed.
Which is lighter, the Brian James C4 Blue or the Ifor Williams GD105?
The Ifor Williams GD105. It is 110kg lighter empty than the Brian James C4 Blue.
Can I tow the Brian James C4 Blue or the Ifor Williams GD105 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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