Head to head
Brian James Race Transporter 4 vs Ifor Williams GD105
The Ifor Williams GD105 is 595kg lighter empty. The Brian James Race Transporter 4 has a bed 1.89m (6ft) longer and is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James Race Transporter 4 weighs 595kg more empty.
- Internal bed: the Brian James Race Transporter 4 has a bed 1.89m (6ft) longer.
- Gross weight: the Brian James Race Transporter 4 is rated 800kg heavier gross.
Specifications side by side
| Brian James Race Transporter 4 | Ifor Williams GD105 | |
|---|---|---|
| Gross weight | 3500kg | 2,700kg |
| Unladen weight | from 1180kg | 585kg |
| Internal bed | 5.0m / 5.5m long | 3.11m x 1.58m (10ft 2in x 5ft 2in) |
| Payload | up to 2320kg | - |
| Internal width | 2.12m | - |
| Axles | Twin | - |
| Brakes | - | Braked |
Sources: Brian James Race Transporter 4, Ifor Williams GD105. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 4 if...
- you want one that has a bed 1.89m (6ft) longer
- you want one that is rated 800kg heavier gross
Aimed at motorsport teams and vehicle recovery operators who need a hydraulic tilt-bed for easy low loading of a single car. It is the entry point into the numbered Race Transporter range, below the 5, 6 and 7.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Bicester Trailer Centre - Bicester
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Buy or hire the GD105 if...
- you want one that is 595kg lighter empty
The same market as the GD85 with about 60cm more bed length, which is the difference between fitting a load and not. Landscapers and anyone moving long materials or a quad choose it for the length rather than the payload, which is unchanged.
Listed by
- Blendworth Trailers - Rowland's Castle
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James Race Transporter 4 and the Ifor Williams GD105?
The Ifor Williams GD105 is 595kg lighter empty. The Brian James Race Transporter 4 has a bed 1.89m (6ft) longer and is rated 800kg heavier gross. The Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter; the Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed.
Which is lighter, the Brian James Race Transporter 4 or the Ifor Williams GD105?
The Ifor Williams GD105. It is 595kg lighter empty than the Brian James Race Transporter 4.
Can I tow the Brian James Race Transporter 4 or the Ifor Williams GD105 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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