The Independent Motor Vehicle Dealers Association says buyers should consult fuel consumption ratings on the www.fuelsaver.govt.nz or www.rightcar.govt.nz websites for more reliable guides to vehicle efficiency before turning up at showrooms to buy.
Association chief David Vinsen said yesterday the organisation supported giving customers as much information as possible in choosing a vehicle.
But the new labels on display in showrooms should be treated as "a last resort", for comparative purposes only.
The Energy Efficiency and Conservation Authority acknowledges fuel cost estimates on labels which dealers must display where available - or face fines of up to $5000 - will become more outdated with each petrol price rise.
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