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The Most Common Mistakes We See in New 4WD Builds

Toyota Hilux touring build with ARB accessories demonstrating a well planned 4WD setup
  • July 10, 2026

Building a 4WD is exciting.

You’ve got plans for camping trips, towing, remote travel or simply making your vehicle more capable for the way you use it.

The problem is that it’s easy to get caught up in accessories before taking the time to think about the bigger picture.

Over the years, we’ve helped customers build vehicles for all sorts of purposes, and while every build is different, there are a handful of mistakes we see time and time again.

The good news is that most of them are completely avoidable.

Starting Without A Plan

This is probably the biggest mistake we see.

A bull bar gets fitted.

A few months later it’s driving lights.

Then a roof rack.

Then a canopy.

Then suspension.

There’s nothing wrong with building a vehicle in stages, but it’s important to have a rough plan from the beginning.

You don’t need to know every accessory you’ll ever fit, but understanding how you want to use the vehicle helps ensure each upgrade works towards the same goal.

The best builds aren’t necessarily the biggest builds. They’re the ones where every accessory has a purpose.

Underestimating How Quickly Weight Adds Up

Most accessories don’t weigh much on their own.

The problem is they rarely get fitted on their own.

A bull bar adds weight.

A winch adds weight.

A roof rack adds weight.

A canopy adds weight.

Then come the camping gear, recovery equipment, tools, fridges and everything else that ends up travelling with the vehicle.

Before long, the vehicle can be carrying significantly more weight than it was when it left the dealership.

This is one of the reasons we regularly talk to customers about their future plans before recommending a suspension upgrade.

It’s not just about what the vehicle weighs today. It’s about what it will weigh once the build is complete.

Buying Accessories In The Wrong Order

There’s no rule that says accessories need to be fitted in a particular sequence.

That said, some planning can save time and money later on.

A good example is a bull bar, winch and recovery points.

Sometimes customers fit a bull bar and later decide they’d like to add a winch or recovery points.

There’s absolutely nothing wrong with that, but if those upgrades are already part of the long term plan, it’s worth having that conversation before the bull bar goes on.

Depending on the vehicle and bull bar combination, components may need to be removed again during the installation process to access mounting points and fit additional equipment. That can add labour that may have been avoided with a bit of planning.

It’s a simple example, but it highlights why thinking a few steps ahead can make a big difference.

The best builds don’t happen all at once, but having a rough idea of where you want the vehicle to end up can help avoid unnecessary costs and make future upgrades much easier.

If you’re considering front end protection, you can explore our range of bull bars.

Copying Someone Else’s Build

This is one we see quite often.

Someone finds a build online and decides that’s exactly what they want.

The problem is that the other vehicle may have been built for a completely different purpose.

A setup designed for towing a large caravan around Australia will look very different to a vehicle that’s carrying tools every day.

Likewise, a weekend camping setup may have very different requirements to a vehicle being used for remote travel.

Looking at other builds can be a great source of inspiration, but the best builds are always designed around how the owner intends to use the vehicle.

Forgetting About Storage

A lot of people focus on the exciting accessories first.

Bull bars.

Driving lights.

Suspension.

Wheels and tyres.

Then they head away on their first trip and realise they have nowhere to put anything.

Storage isn’t always the most exciting part of a build, but it can easily become one of the most important.

Whether it’s a canopy, drawers, cargo solutions or a roof rack, having a place for your gear makes life significantly easier on the road.

A well organised vehicle is often more enjoyable to use than one loaded with accessories but lacking practical storage.

Thinking Bigger Is Always Better

Bigger isn’t always better.

It’s just bigger.

We see this with all sorts of accessories.

Driving lights.

Roof racks.

Tyres.

Storage systems.

The biggest option isn’t always the best option.

The right accessory is the one that suits how the vehicle is being used.

Sometimes that’s the largest setup available.

Sometimes it’s not.

The important thing is understanding what you’re trying to achieve before making a decision.

The Best Builds Start With Questions

One thing all great 4WD builds have in common is that they start with a plan.

Not a shopping list.

A plan.

Where will the vehicle be travelling?

Will it be towing?

How much weight will it carry?

Will it be used for work, touring or both?

The answers to those questions will shape every decision that follows.

At ARB Rockingham, we spend a lot of time helping customers work through those decisions before the accessories start going on.

The goal isn’t to fit as much gear as possible.

The goal is to build a vehicle that works for the way you use it.

If you’re planning a new build and you’re not sure where to start, our team can help you create a setup that suits your needs now while allowing room for future upgrades as your plans evolve.