The trial in Townsville, Cairns and Mt Isa allows eligible people to apply for a $500 voucher towards a secondary engine immobiliser in a bid to see if they should be mandatory.
Engine immobilisers, which are usually activated using a vehicle's key, have been mandatory in all vehicles in Australia since 2001.
However, police say thieves often get around this by breaking into a home and stealing the key.
Secondary immobilisers only allow the engine to be started using a unique code, adding more security because the car cannot be used without it.
Queensland Police Minister Mark Ryan said more than 2000 applications for vouchers had been made in 24 hours, and installers were already taking appointments.
He said the immobilisers were game-changers for vehicle security.
"And I say that because the Queensland Police Service have told me that they can't point to a single example in Queensland where they have seen a car stolen that has a secondary vehicle immobiliser," Mr Ryan told reporters on Thursday.
After the one-year trial, the minister wants to speak to the federal government about making secondary immobilisers mandatory in national vehicle safety standards.
"Years ago they mandated seatbelts, years ago they mandated airbags, years ago they mandated the vehicle immobiliser," Mr Ryan said.
"I think the time is right for them to look at the evidence around secondary vehicle immobilisers as well."
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