Head to head
Brian James C4 Blue vs Lider 39920
The Brian James C4 Blue is rated 1,850kg heavier gross. The Lider 39920 is 325kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James C4 Blue is rated 1,850kg heavier gross.
- Unladen weight: the Brian James C4 Blue weighs 325kg more empty.
Specifications side by side
| Brian James C4 Blue | Lider 39920 | |
|---|---|---|
| Gross weight | 2,600kg | 750kg |
| Unladen weight | 695kg | 370kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Internal length | - | 230cm |
| Internal width | - | 135cm |
| Internal height | - | 157cm |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Brian James C4 Blue, Lider 39920. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 Blue if...
- you want one that is rated 1,850kg heavier gross
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 39920 if...
- you want one that is 325kg lighter empty
The smallest box van in the range, for buyers who want lockable, weatherproof storage on the move without moving up to a braked twin-axle trailer.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Brian James C4 Blue and the Lider 39920?
The Brian James C4 Blue is rated 1,850kg heavier gross. The Lider 39920 is 325kg lighter empty. The Brian James C4 Blue is a twin-axle car transporter trailer; the Lider 39920 is a an unbraked single-axle enclosed box van trailer rated at 750kg gross weight..
Which is lighter, the Brian James C4 Blue or the Lider 39920?
The Lider 39920. It is 325kg lighter empty than the Brian James C4 Blue.
Can I tow the Brian James C4 Blue or the Lider 39920 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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