Here is a reply from Queensland Roads I received in Febuary this year. My tyres are 50mm over size and legal in Victoria. Was planning a trip to Queensland and curious if my Nav would be legal.
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Thank you for your email enquiry to the Department of Transport and Main Roads (the department) regarding driving your modified vehicle in Queensland.
The Transport Operations (Road Use Management—Vehicle Standards and Safety) Regulation 2010 requires that light vehicle modifications comply with the Queensland Code of Practice—Light Vehicle (CoP).
In regard to tyres, the regulation states; the overall diameter of the tyre must not vary by more than +15mm or -26mm than that stated on the vehicle manufacturers tyre placard.
The Transport Operations (Road Use Management—Vehicle Standards and Safety) Regulation 2010 Part 2 Vehicle standards states:
Defective vehicles
When a vehicle is defective
(1) A vehicle is defective if—
(a) a part of the vehicle—
(i) does not comply with the requirements specified in the vehicle standards; or
(ii) does not perform its intended function; or
(iii) has deteriorated to an extent that it can not be reasonably relied on to perform its intended
function; or
(b) equipment mentioned in, or required by, the vehicle standards, other than optional equipment, fitted to the vehicle—
(i) does not comply with the requirements specified in the vehicle standards; or
(ii) does not perform its intended function; or
(iii) has deteriorated to an extent that it can not be reasonably relied on to perform its intended function; or
(c) optional equipment fitted to the vehicle—
(i) does not comply with the requirements specified in the vehicle standards for the optional equipment;
or
(ii) does not perform its intended function; or
(iii) prevents, or is likely to prevent, the vehicle, its parts or equipment—
(A) from complying with the requirements in the vehicle standards; or
(B) from performing its intended function; or
(iv) has deteriorated to an extent that it can not be reasonably relied on to perform its intended function; or
(f) the vehicle does not comply with the Code of Practice—Vehicle Inspection Guidelines (the vehicle inspection code of practice).
note—
This code of practice is available online at
<www.tmr.qld.gov.au> or through SDS Publications.
The Transport Operations (Road Use Management—Vehicle Standards and Safety) Regulation 2010, Part 2, Vehicle standards apply to all vehicles not just Queensland registered.
You may also wish contact the Queensland Police Service on 07 33646464 in regard to their policy in enforcing vehicle compliance.
Should you have further enquiries please contact Vehicle Standards & Modification Advice on:- 31145844, Monday to Friday, 8.30 am to 4.30 pm (Wednesday, 9.30 am to 4.30 pm).