Most buyers glance at the odometer first. It is a simple number and it feels like a quick way to compare trucks. But kilometres are only one measure of how hard a truck has worked, and a high figure is not automatically a problem any more than a low one is automatically a bargain. Here is how to think about the numbers and the condition together.
What the odometer does and does not tell you
Kilometres show distance travelled. They say nothing about how the truck was driven, what it carried, what roads it ran on or how it was serviced. A truck that spent its life on smooth highways at steady speed with regular servicing can be in much better shape than one with fewer kilometres that was worked hard on rough tracks, overloaded or neglected.
Heavy vehicles are built for high mileage, and many run for very long distances if maintained. So a figure that looks large to someone used to cars may be quite normal for a truck of that type and age.
Engine hours matter too
Some trucks, especially those that idle for long periods, run power take-off equipment or work in stop-start conditions, rack up engine hours that the odometer does not reflect. A tipper working a quarry, a crane truck powering its hydraulics, or a service truck idling on site may have worked much harder than its kilometres suggest.
If the truck records engine hours, ask for that figure and consider it alongside the odometer. Where the two seem out of step, ask why. It may have a perfectly good explanation tied to the type of work, or it may be something worth looking at more closely.
Check that the numbers are believable
Ask how the odometer reading is supported. Service invoices, roadworthy or inspection reports and previous listings can show a sensible progression over time. Be careful if the figures seem inconsistent, if the dash looks disturbed, or if the wear on the cab does not match the numbers. Worn pedals, a sagging driver's seat and a shiny steering wheel suggest heavy use, whatever the display says.
Condition is what you will actually live with
Once you have the numbers, spend most of your attention on the truck itself. Look closely at:
- Engine and gearbox. Leaks, smoke, noise, shifting quality and clutch feel.
- Chassis and suspension. Cracks, repairs, rust, worn bushes and leaking components.
- Tyres and brakes. Wear patterns can point to alignment or suspension issues.
- Cab and body. Water ingress, rust and neglected electrics tell you about care.
- Records. Evidence of regular service and major work done on time.
Our used truck inspection checklist covers these in more detail.
When high kilometres can be fine
A well-documented truck with high kilometres and strong maintenance records may offer a fair deal for a buyer who values reliability over a low number. Major components that have already been rebuilt can mean fewer unknowns than a lower-kilometre truck with no history. It depends on the truck and what you plan to do with it.
When low kilometres need a second look
Low use is not always good news. Trucks that sit for long periods can develop their own problems, such as perished seals, flat-spotted or aged tyres, degraded fluids and corrosion. Age matters as well as use. A low-kilometre truck of considerable age may need servicing work before it is dependable.
If you are the seller
If your truck has high kilometres, do not hide it. Lead with the evidence of care: service records, major work, a recent inspection. If it has low kilometres, show proof. Buyers respond to honesty and documentation, and it can shorten the time a truck spends listed.
The practical takeaway
Treat the odometer and engine hours as the start of the conversation. Read them alongside the records and what you can see and feel on inspection. For a major purchase, a mechanical inspection from someone who knows heavy vehicles can be money well spent. This is general information only, and every truck is different.
If you are selling, list your truck free and give buyers the facts they need.
