It's a bit odd, but Nissan/ Infiniti depreciation is a lot higher than Toyota & Honda cars, although you get the same japanese reliability. I've bought multiple Zs, Gs, and Qs over the years, and a 3yr old car is about 1/2 the price of new (In 2018, I bought a 2015 Q50s with 24k miles for $23k..)
Depending on how long you keep cars, that depreciation thing can be a boon or a bane. Since I buy slightly used cars and keep them until they wear out, depreciation is great for me since I get a good car for cheaper. I drive them 200k + miles and then dump them for $3000 and move on.
If I were buying a new car and keeping it 2-3 years, I'd be more interested in a Honda or Toyota that keeps pretty high resale value for the first few years.
I can buy a whole lot more car for $25k this way than I can new.... when I bought the Q, I was actually shopping for 2017-2018 Civics, WRZ, 86.. then saw this car on the lot while I was waiting on the sales guy to "find the keys" to the WRX. The torque of the VQ37 is WAY more fun around town than a sub-2L 4 banger, and it still handles pretty well around the turns when you put enough rubber under it. 275s on 19x10 under factory fenders? noooo problem.
I don't mind hauling my boss, coworkers, or clients to lunch or business meetings since the Q looks and sounds like an adult car.
Also, because I'm an old (40s) married man and we both have clean driving records, I pay less than $1200 a year for three street cars combined. So insuring an 86 for "$1000 less" than my Q just ain't gonna happen- at least not in my world.
All that said, if I had the choices of the above I would still pick the Si for a daily, BRZ or ND for a second car. If I was opening the choices up and had to do it over again? I'd still look at Infiniti- maybe spend more time looking for a 3.0tt instead of the 3.7 because they are so moddable. The 3.7 is no slouch, but the 3.0tt can make insane power with a few inexpensive mods.