Why scrap car prices go up and down — the metal market, vehicle weight, parts demand and the NZ dollar, explained.
Two people scrap near-identical cars a few months apart and get different prices — and both assume someone's being unfair. Usually neither is: scrap car values genuinely move over time, and understanding why helps you judge an offer and time your sale.
A car isn't a single lump of "scrap." It's mostly steel (the heaviest part, but the lowest value per kilo), plus smaller amounts of much more valuable non-ferrous metals: aluminium in the engine, wheels and radiator, and copper in the wiring, alternator and starter. Copper and aluminium are worth several times more per kilo than steel — which is why the small, dense parts of your car punch well above their weight in value.
The global metal market. Steel, copper and aluminium are traded worldwide. When construction and manufacturing demand is high — often driven by activity in Asia — prices rise, and local scrap payouts follow. When demand softens, they fall.
The New Zealand dollar. Scrap metal is exported and priced against the US dollar. A weaker NZ dollar can actually mean higher local payouts, because the exported metal earns more in NZD terms. This is one reason prices shift even when global metal demand is steady.
Local supply and volume. Areas that process more vehicles can offer more competitive, more frequently updated rates. The Bay of Plenty's decent volume helps here compared with smaller, remoter regions.
Everything above is about metal value. But a complete car also has parts value, which is separate from and usually greater than its scrap weight. A working alternator, a good gearbox, undamaged panels, a set of decent tyres — these are worth real money to someone repairing the same model, and a cash-for-cars buyer prices them in. That's the core reason selling a complete vehicle to a wrecker beats dropping it at a weight-only scrap yard.
Here's something specific to our coast: salt air accelerates rust, and rust is the enemy of scrap value. A car left sitting near the coast at Ōhope, Coastlands or Matatā corrodes faster than one inland, and heavy rust reduces both the parts value and the quality of the recoverable metal. It's a concrete reason not to leave a dead car sitting "until you get around to it" — coastal or not, it's worth the most today.
For a scrap or unwanted car, the honest answer is almost always yes. Unlike a house or a classic car, a scrap vehicle doesn't appreciate — it only degrades. Metal prices move up and down, but your specific car's condition only ever gets worse with time. The best day to sell it is the day you decide you're done with it.
Want to know what yours is worth in today's market? Get a free quote or call 079 292 332.
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