There is another issue with driving lights that isn't covered in the ADR and I hope you bear this in mind when putting lights on your car.
At idle, your alternator should be only just barely putting out enough power to keep the battery at a steady state of charge with minimal things running. The YD25 (D40) alternator is specified to develop NO MORE than 145A when the engine is revving over 3400rpm (p44 of SC.PDF - Starting and Charging). The VQ40 (petrol) engine develops 120A at most, with the engine rpm over 3100. The diesel is supposed to develop 33A at around 1300rpm and 105A at 2500rpm.
Let's say the average rpm is 2000 (where the torque curve rises the most). Alternator power should be in the 70-80A ballpark.
That's the figure I'd be relying on. Now, let's look at what the car needs.
The ECU, fuel pump, instruments, BCM, TCM will use up roughly 30A of power give or take a few amps. That leaves us with 50A to play with.
Your headlights are 55W each, tail lights 12W each (tail) - we won't count the brake lights because we're not always on the brakes unless there's a taxi driver behind us. Front parker lights are 12W each so we have 4x12=48W + 2x55=110W = 158W = about 12A (while the alternator is running you should get about 13V from it, 158/13 = 12).
Your consumption WITHOUT driving lights at night is 42A, leaving you 38A to play with.
A 100W driving light will draw about 8 amps. This means you can fit 5 of these to be just behind the 8-ball on power, and any more you're not only compromising your battery, but you're loading the alternator up hugely, which increases the wear and reduces its life.