Head to head
Anssems GT500-151 vs Ifor Williams CT136HD
The Ifor Williams CT136HD is rated 2.1 tonnes heavier gross.
Last reviewed 13 September 2026

Key differences
- Gross weight: the Ifor Williams CT136HD is rated 2.1 tonnes heavier gross.
Specifications side by side
| Anssems GT500-151 | Ifor Williams CT136HD | |
|---|---|---|
| Gross weight | 500kg | 2,600kg |
| Internal dimensions | 151cm x 101cm x 48cm | - |
| Unladen weight | - | 510kg |
| Internal length | - | 4.0m |
| Internal width | - | 1.84m |
Sources: Anssems GT500-151, Ifor Williams CT136HD. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GT500-151 if...
A light trailer for camping gear, luggage and small DIY loads, towable behind almost any car. The hard-top version is the one most buyers want, because weatherproof and lockable is the whole reason to choose this over a builders trailer.
Full GT500-151 specifications →Buy or hire the CT136HD if...
- you want one that is rated 2.1 tonnes heavier gross
The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Anssems GT500-151 and the Ifor Williams CT136HD?
The Ifor Williams CT136HD is rated 2.1 tonnes heavier gross. The Anssems GT500-151 is a small single-axle luggage and general purpose trailer; the Ifor Williams CT136HD is a ifor Williams' heavy-duty twin-axle car transporter trailer in the CT136 range, built for moving a single vehicle..
Can I tow the Anssems GT500-151 or the Ifor Williams CT136HD 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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