Head to head
Brian James A-Max 305 vs Ifor Williams GD85
The Brian James A-Max 305 is rated 1.2 tonnes heavier gross and has a bed 1.8m (6ft) longer.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Brian James A-Max 305 is rated 1.2 tonnes heavier gross.
- Internal bed: the Brian James A-Max 305 has a bed 1.8m (6ft) longer.
Specifications side by side
| Brian James A-Max 305 | Ifor Williams GD85 | |
|---|---|---|
| Gross weight | 2600kg | 1,400kg single axle / 2,700kg twin axle |
| Internal bed | 4.3m x 1.96m | 2.5m x 1.58m (8ft 2in x 5ft 2in) |
| Payload | 2035kg | - |
| Unladen weight | - | 395kg single axle / 485kg twin axle |
| Brakes | - | Braked, auto-reverse over-run |
Sources: Brian James A-Max 305, Ifor Williams GD85. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A-Max 305 if...
- you want one that is rated 1.2 tonnes heavier gross
- you want one that has a bed 1.8m (6ft) longer
Suits owners of larger saloons or estate cars who have outgrown the shorter A-Max 210 but do not need a full car-transporter range trailer. The extra bed length and payload give more margin for a heavier road car.
Listed by
- A47 Barwell Trailers Sales Hire Service Ltd - Leicester, Barwell
Buy or hire the GD85 if...
The entry point of the Ifor Williams general duty range and one of the most common working trailers in Britain. Smallholders, gardeners and tradespeople buy it for everyday hauling without needing a heavy tow vehicle, and the twin-axle version roughly doubles the payload for a modest gain in unladen weight.
Full GD85 specifications →Common questions
What is the difference between the Brian James A-Max 305 and the Ifor Williams GD85?
The Brian James A-Max 305 is rated 1.2 tonnes heavier gross and has a bed 1.8m (6ft) longer. The Brian James A-Max 305 is a a longer, higher-capacity version of the A-Max flatbed car trailer; the Ifor Williams GD85 is a general duty box trailer, single or twin axle.
Can I tow the Brian James A-Max 305 or the Ifor Williams GD85 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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