Head to head
Brian James C4 Blue vs Ifor Williams CT136
The Brian James C4 Blue is rated 1.2 tonnes heavier gross. The Ifor Williams CT136 is 295kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James C4 Blue is rated 1.2 tonnes heavier gross.
- Unladen weight: the Brian James C4 Blue weighs 295kg more empty.
Specifications side by side
| Brian James C4 Blue | Ifor Williams CT136 | |
|---|---|---|
| Gross weight | 2,600kg | 1,400kg single axle / 2,000kg twin axle / 2,600kg CT136HD |
| Unladen weight | 695kg | 400kg single axle / 495kg twin axle |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Bed | - | 4.00m x 1.84m |
Sources: Brian James C4 Blue, Ifor Williams CT136. 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 1.2 tonnes 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 CT136 if...
- you want one that is 295kg lighter empty
The accessible end of car transport, for towing a road car, a track-day car or a small classic. Motorsport and classic-car owners tend toward the twin-axle and HD versions for the higher gross weight and the tie-down provision.
Full CT136 specifications →Common questions
What is the difference between the Brian James C4 Blue and the Ifor Williams CT136?
The Brian James C4 Blue is rated 1.2 tonnes heavier gross. The Ifor Williams CT136 is 295kg lighter empty. The Brian James C4 Blue is a twin-axle car transporter trailer; the Ifor Williams CT136 is a flatbed car transporter, single or twin axle.
Which is lighter, the Brian James C4 Blue or the Ifor Williams CT136?
The Ifor Williams CT136. It is 295kg lighter empty than the Brian James C4 Blue.
Can I tow the Brian James C4 Blue or the Ifor Williams CT136 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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