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Can a Porsche Cayenne tow
a Blue Sky Caravans Ruby II / Back Door?

Gen 1 (Turbo / S) (2003), checked figure by figure.

Yes

The Blue Sky Caravans Ruby II / Back Door's published ATM of 2,685kg sits 815kg under the Porsche Cayenne's 3,500kg braked towing rating.

Braked towing ratingThe Porsche Cayenne, manufacturer published
3,500kg
Towball ratingThe Porsche Cayenne, our estimate at 10% of the braked towing rating
350kg
ATMThe Blue Sky Caravans Ruby II / Back Door, maximum loaded weight, manufacturer published
2,685kg

Figures are the manufacturer's published ratings, apart from the towball rating, which is our estimate.

Yes, this pairing is inside the published ratings

The Cayenne has a towing capacity of 3,500kg, which comfortably handles the Ruby II / Back Door (2,685kg).

This is a guide off published figures, not a compliance check.The legal numbers are the compliance plates on your car and the van. Weigh the loaded rig at a public weighbridge to know for sure, then read the ticket.

A towing rating on its own rarely settles a pairing. What decides it for the Porsche Cayenne and the Blue Sky Caravans Ruby II / Back Door is the published figures taken together: the weight the caravan carries when it is loaded, the weight it puts on the towball, and the combined limit the car holds for both of them at once.

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Porsche Cayenne

Gen 1 (Turbo / S) (2003)

Specs apply to 2003-2010 models
Tow capacity3,500kg
Ball weight limitOur estimate at 10% of tow capacity350kg
GCM6,500kg

Blue Sky Caravans Ruby II / Back Door

Price on application

Ruby II / Back Door
ATM (max weight)2,685kg
Ball weightEstimated at 10% of ATM269kg
View caravan details

Always check your compliance plate

Online databases use factory-standard specs. They don't know about your bullbar (adds weight), suspension upgrades (can change GCM), or how much you're carrying.

How to find it

Open your passenger or driver door. Look for a silver or black metal plate riveted to the pillar. This plate overrides everything you read online.

Why the numbers move once you load up

The figure most often left out of the sum is payload, which is everything you add after the vehicles leave the factory.

  • • Bullbar and winch: both add weight to the front of the car, and it comes out of your payload.
  • • Passengers: everyone in the car comes out of its payload, not just the driver.
  • • Tow ball mass: this comes out of your car's payload, not just your towing limit.

Always weigh your rig fully loaded.

Where to get it weighed, and what the ticket tells you.

This pairing works - now get the required safety gear

Since this pairing sits inside the published ratings, ensure you have the required safety gear. Mirrors and a brake controller are mandatory in Australia for this weight.

Towing mirrors

Legally required when the van is wider than your car

See options →

Brake controllers

Mandatory for trailers over 750kg GTM

See options →

Weight distribution hitch

Keeps the rig level and steering weight on the front axle

See options →

Not sure which brake controller suits your car, or whether it already has one built in? Read the brake controller guide

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Check another combination

Treat this as a guide off published figures, not a compliance check.The legal numbers are the compliance plates on your car and the van, and where we do not hold a published ball weight we estimate it at 10% of ATM.Weigh the loaded rig at a public weighbridge to know for sure, then read the ticket.

Where the published weights sit close together, how you pack changes what the scales say. Heavy items ride best low down and over the caravan's axles, and whatever sits on the towball is carried by the car rather than by the van.