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Can a GMC Sierra tow a Majestic Caravans Sierra?

"Australia has strict towing laws. Using the official relevant tare and ATM figures, we've calculated whether the GMC Sierra stays within its legal limits when pulling a fully loaded Majestic Caravans Sierra. Let's look at the data."

Yes, this is a legal match

The Sierra has a towing capacity of 4500kg, which comfortably handles the Sierra (2500kg).

GMC Sierra

1500 Denali / AT4 (GMSV) (2024)

Valid for models (2024-2025)
Tow Capacity4500kg
Ball Weight Limit450kg
GCM7160kg
Expert Note: New official GMSV import. Rated to 4.5T with 70mm ball.

Majestic Caravans Sierra

Starting from $54,990

Sierra
ATM (Max Weight)2500kg
Est. Ball Weight (10%)250kg

Always check your compliance plate

Online databases (including Redbook) 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 Estimates Fail (Real World Expert Tip)

Many owners accidentally tow illegally because they forget Payload.

  • Bullbar & Winch: Adds ~80kg to your front axle (reduces payload).
  • Passengers: 4 adults = ~320kg payload gone.
  • Tow Ball Mass: This comes out of your car's payload, NOT just your towing limit.

Always weigh your rig fully loaded.

RECOMMENDED GEAR

This pairing works — now get the required safety gear

Since your Sierra is a legal match, ensure you have the required safety gear. Mirrors and a Brake Controller are mandatory in Australia for this weight.

Pro Tip: If you're close to the limit, consider moving heavy items from the caravan front boot to the rear of the car to adjust the ball weight (but watch your rear axle load!).