Head to head
Brian James C4 Blue vs Ifor Williams CT177
The Ifor Williams CT177 is rated 900kg heavier gross. The Brian James C4 Blue is 110kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams CT177 is rated 900kg heavier gross.
- Unladen weight: the Ifor Williams CT177 weighs 110kg more empty.
Specifications side by side
| Brian James C4 Blue | Ifor Williams CT177 | |
|---|---|---|
| Gross weight | 2,600kg | 3500kg |
| Unladen weight | 695kg | 805kg |
| Bed length | 5.0m | - |
| Bed width | 2.0m | - |
| Overall length | - | 6.70m / 22'0" |
| Bed | - | 5.00m / 16'4" ((internal) length); 1.91m / 6'3" ((internal) width) |
| Payload | - | approx. 2695kg |
Sources: Brian James C4 Blue, Ifor Williams CT177. 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 110kg lighter empty
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 CT177 if...
- you want one that is rated 900kg heavier gross
The CT177 is built to be wide enough for most light commercial vehicles while remaining narrow enough for smaller cars, making it a common choice for vehicle recovery firms and the motor trade. Its long bed and 3500kg GVW keep it within standard car-licence towing limits for a single vehicle plus ramps.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Whitehall Trailers Ltd - Southam
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Shropshire Trailer Hire - Shrewsbury, Bicton
Common questions
What is the difference between the Brian James C4 Blue and the Ifor Williams CT177?
The Ifor Williams CT177 is rated 900kg heavier gross. The Brian James C4 Blue is 110kg lighter empty. The Brian James C4 Blue is a twin-axle car transporter trailer; the Ifor Williams CT177 is a a twin-axle car transporter trailer with a long, narrow bed for single-vehicle recovery and trade use..
Which is lighter, the Brian James C4 Blue or the Ifor Williams CT177?
The Brian James C4 Blue. It is 110kg lighter empty than the Ifor Williams CT177.
Can I tow the Brian James C4 Blue or the Ifor Williams CT177 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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