Seventy more horsepower, a cleaner engine and $17,853 in your pocket — all on the used truck. On those three lines the used Auman EST 530 beats the new Auman GTL-E 460 outright.

Then you read the gross combination weight: 39 tonnes against 90. And the new truck suddenly looks like the only one that can do the job.

Used-versus-new comparisons are almost never about which truck is better. They are about which risks you are willing to carry. This pair is a textbook example.

The two trucks side by side

The GCW gap is the whole comparison

39 tonnes against 90. That is not a specification difference, it is a category difference. These two trucks cannot do the same job.

On the new truck the numbers are coherent: a 9-tonne front axle, a 16-tonne rear axle group, and a 90,000 kg GCW. On the used truck, 7,000 kg front and 18,000 kg rear with a 39 t GCW is also coherent — but it is a much lighter specification.

So before anything else: work out the heaviest combination you will actually pull. If it is over 39 tonnes, the used truck is not an option regardless of price, horsepower or emissions. Stop reading here and buy the new one.

If it is comfortably under 39 tonnes — a single 20 or 40-foot container on regional work, or wharf haulage, which is exactly what the used truck lists — then the used truck becomes genuinely interesting, and the 530 hp is more than you need in the best possible way.

What the used truck gives you

Seventy horsepower and 1.7 litres

530 hp from 14.5 litres against 460 PS from 11.8 litres. On a 39-tonne combination that is surplus power, which is exactly what you want from a used engine: it will spend its life loafing rather than straining.

A China VI certificate

This is the sleeper issue. The new truck lists no emission standard. The used truck carries China VI. If your market applies an emissions floor at import or registration, the brand-new truck may be refused while the used one clears. Check this before you fall in love with the 90-tonne rating.

Sixteen speeds

A ZF 16S2531TO sixteen-speed against a twelve-speed Sinotruk. Sixteen ratios is a genuinely excellent gearbox for long-distance work, and the ZF badge is well supported.

CNG instead of diesel

Compressed natural gas. Where gas is cheap relative to diesel this is a major operating saving; where it is not, or where the filling network is thin, it is a constraint you will feel every day. Note that CNG has lower energy density than LNG, so range between fills is shorter than an LNG tractor would give you.

A high-roof cab

High roof with two seats and single-and-a-half rows, against a flat roof on the new truck. For a driver living in the cab, the high roof is the better answer.

What you actually buy when you buy new

Beyond the 90-tonne rating, four things.

No hidden history

You know where the truck has been, what it has carried and how it was serviced, because the answer is nowhere and nothing. With a used truck you are buying someone else's maintenance discipline.

A 700-litre tank

700 litres of aluminium against an unpublished figure on the used truck. On long-haul work that is real range.

Automatic air conditioning, power windows, central locking, an airbag seat

Listed as standard on the new truck. The used truck sheet publishes none of it, and refurbishment is described as basic.

A 9-tonne front axle

Against 7,000 kg. More capacity at the front matters when a trailer puts weight on the fifth wheel.

And the obvious one: no refurbishment risk. The used listing is explicit that this is a basic vehicle that will be refurbished, with basic maintenance, exterior repainting, tyre replacement and basic servicing included — and that the price will fluctuate by several hundred dollars depending on inland transport and refurbishment costs. That is honest disclosure, but it is also a variable you carry.

Two things on the new truck that should worry you

We are not going to soften this, because these are the kind of details that get missed in the excitement of a 90-tonne rating.

First: the new GTL-E is listed as Non-ABS. A brand-new 90-tonne tractor without anti-lock brakes, in a market where the used truck’s sheet at least does not contradict ABS. Confirm whether ABS can be specified, and if it cannot, think very hard about what that means for a 90-tonne combination in the wet.

Second: it lists no emission standard. We flagged this above, but it bears repeating in the other direction. If you operate somewhere without an emissions floor, this is fine and arguably simpler. If you ever intend to move the truck to a market that has one, you may not be able to.

A used truck is a known set of risks you can inspect. A new truck with a missing certificate and no ABS is a set of risks you discover at registration, or on a wet road.

How to inspect the used truck properly

If you go the used route, five things beyond the standard mechanical inspection.

Ask for the CNG cylinder test certificates and their remaining validity. High-pressure gas cylinders have mandatory periodic inspection, and an out-of-date cylinder is both illegal and uninsurable in most markets.

Ask how many kilometres are on the engine and whether the 14.5-litre Cummins has had a top-end rebuild. Ask for service records, not assurances.

Ask what "basic servicing" in the refurbishment actually covers, and get the list in writing. Basic maintenance and a repaint are not the same as a driveline overhaul.

Check the tyres that will be fitted. Tyre replacement is listed as part of refurbishment, so establish the brand and the date codes — old stock tyres are a common way to make a refurbishment look better than it is.

And confirm the price in writing, given the listing states it will fluctuate by several hundred dollars depending on inland transport and refurbishment costs.

Which one should you buy?

Buy the used EST 530 if your combinations are under 39 tonnes, you need a China VI certificate, CNG is cheap and available on your routes, you want surplus horsepower and sixteen speeds, and you are able to inspect the vehicle properly or have someone inspect it for you.

Buy the new GTL-E 460 if you need the 90-tonne rating, you want zero history risk and a 700-litre tank, diesel suits your routes better, and you have resolved the ABS and emissions questions in writing before ordering.

If you need both the rating and the certificate, neither of these is right — look for a new tractor with a published emission standard, and there are several in this range.

Fuel, range and the gearbox behind the engine

The drivetrains are not simply different sizes, they are different philosophies. The used EST is a compressed-natural-gas machine on a 16-speed ZF 16S2531 TO. Sixteen ratios behind a 530 hp engine is a highway specification: close steps, a driver who stays in the torque band, and a truck that was bought to run fast and light over long distances.

The new GTL-E counterpoints that with a 12-speed Sinotruk HW23712 iron-case gearbox behind the Cummins ISG 460 and its 2,300 N·m. Twelve speeds is fewer steps but a wider spread, and paired with a 4.76 final drive on a 9-tonne front and 16-tonne rear axle group it is set up to move weight rather than to chase average speed.

Range is where the new truck wins outright. It carries a 700-litre aluminium alloy tank against a used CNG tractor whose usable range depends on how many cylinders are fitted and how well they have aged. On a long empty backhaul, diesel is simply easier to plan around; the CNG truck makes its money when the route passes reliable filling infrastructure and when gas stays meaningfully cheaper than diesel in your market.

Two smaller details separate them in daily use. The used EST has a high-roof cab; the new GTL-E is flat-roof. And the used truck rides on ten 12R22.5 18PR tyres against eleven 13R22.5 18PR on the new one — one more tyre per replacement cycle, on a wider, more expensive size.

None of this changes the headline: one truck is rated to 39 tonnes and the other to 90,000 kg. But if your work sits comfortably inside 39 tonnes, the cheaper truck is also the better-specified one in the cab and the gearbox.

Compare the two tractors side by side