Toyota RAV4 Pricing and Specs

A noise or vibration that is engine speed dependent is usually associated with the driveline, while a similar problem that occurs at a particular road speed is more often a problem with a wheel or suspension component. The main exception to that is the differential which is part of the driveline but determines the vehicle’s speed, so can contribute a speed-dependent noise or vibration, too.

Beyond that, you could be looking at a fault with a wheel bearing, a deformed tyre, bent rim, worn suspension bush, bent axle or suspension arm or pretty much anything else. A rolling-road dynamometer (kind of like a treadmill for cars) might be one way of achieving the problem speed while a mechanic looks and listens on.

There’s a huge range of towing limits for the RAV4 thanks to the sheer number of model variants. In simple terms, the non-hybrid two-wheel-drive versions can tow a braked trailer of 800kg while a two-wheel-drive hybrid RAV4 can only cope with 480kg. Which means that if you want a RAV4 for towing, you’re best to look at any of the all-wheel-drive versions (hybrid or non-hybrid) which have a braked towing limit of 1500kg.

Of course, those figures are for braked trailers, while your question was for a trailer with no braking of its own. In that case, the two-wheel-drive RAV4’s limit stays at 480kg, while the all-wheel-drive’s limit falls to 750kg.

Gross Combined Mass (the total weight of the vehicle, the trailer and anything being carried including passengers, fuel, luggage and accessories) meantime, is harder to find and you need to resort to the owner’s manual (which is a problem if you haven’t bought the car yet). In any case, the two-wheel-drive RAV4’s GCM is 2665kg, while the all-wheel-drive’s GCM is 3730kg.

I’m unsure why this last piece of the puzzle is so difficult to find, but information like this should be more readily available as it’s a critical safety issue and something that many owners inadvertently get wrong with serious legal and insurance ramifications.

It all sounds a bit counter-intuitive, doesn’t it: That a smaller engine could use more fuel thana larger one? But, in fact, it’s all down to the hybrid driveline in the 2.5-litre version of the RAV4. Because the hybrid version also has an electric motor to help propel the vehicle, the petrol engine has less work to do. So, it uses less fuel, particularly on the official test cycle that determines these numbers.

In fact, in the hybrid RAV4, the petrol engine isn’t even running a lot of the time, especially in stop-start traffic. The electric motor can draw from the batteries on board to get the vehicle rolling, and when it’s slowing down, the electric motor recharges those batteries for the next green light. And when the car is running on electric power, it’s not using any petrol at all.

By contrast, the non-hybrid RAV4 is running its petrol engine the whole time (apart from when it’s at a complete standstill). And that, in a nutshell, is how a bigger engine can use less fuel than a smaller one in the same make and model.