3.7 vs 2016 3.0t 300hp - Infiniti Q50 Forum
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post #1 of 46 (permalink) Old 03-28-2016, 10:41 PM Thread Starter
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Default 3.7 vs 2016 3.0t 300hp

I understand the engines are completely different but performance wise what's the argument
Thanks
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post #2 of 46 (permalink) Old 03-28-2016, 10:46 PM
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not an official review, but one "salesperson's" take on the 400hp:


The unique turbo blade shape along with a new turbo speed sensor will allow the turbocharger speed to reach a maximum speed of 220,000 rpm.
In my opinion there is no comparison to the current Sport model you drive and the new 3.0 400 hp, this car will not disappoint you or leave you feeling "NUMB", maybe a little shaky......

Mac.

I would expect a better response from the low end torque.. plus better fuel economy?
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post #3 of 46 (permalink) Old 03-28-2016, 11:10 PM
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VQ37
-3.7 liter V6
-328HP/269LB-FT Torque
-Normally aspirated so no turbo lag
-High redline at 7500RPM
-Considered large for a V6
-VQ series in production since 1995 leading to the VQ37 (variants of VQ30, VQ35, etc.)

VR30 (300HP)
-3.0 liter V6
-300HP/295LB-FT Torque
-Twin turbo (Possibly slight lag, but peak torque is at a much lower RPM and stays at peak longer)
-Lower redline @ 7000RPM (I think)
-Smaller engine = less weight
-Technically is a more modern/innovative piece of engineering

Even though they're both V6 engines, they make their power differently. The VQ37 is a high revving engine that uses technology like VVEL to keep the torque curve and power delivery "flat", but the peak torque isn't until a relatively high RPM. On the VR30 peak torque is, I think, around 1500RPM so it will probably be more ideal for around town driving where you want extra grunt than a power band that really winds out. For things like 0-60, I feel like they will be similar since what the VQ misses off the line in torque can be made up in top-end horsepower (28 more horsepower but 26 less lb-ft). I'll be keeping my VQ37-powered Q50 since I absolutely love this engine. I like how high revving it is, how intoxicating the exhaust is with the sport muffler, and just that the VQ is so proven that it can take some "abuse" and still be bulletproof reliable. I am interested in comparing them so I'll be keeping in touch with my dealer for when they come in. As for the RS400, I'm sure it's awesome but it's just not necessary in NJ where my commute is almost guaranteed to be traffic at some point. 328hp is enough to get me in trouble anyway
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Last edited by miccris93; 03-28-2016 at 11:14 PM.
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post #4 of 46 (permalink) Old 03-28-2016, 11:23 PM Thread Starter
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I don't think the rs400 would be a big seller simply due to price and the 2.0 is a bit under power so I think the 3.0 300hp would be key now the question I ask is weather it's worth getting if you have the 15 3.7 or just be satisfied knowing your not missing much
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post #5 of 46 (permalink) Old 03-28-2016, 11:53 PM
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Quote:
Originally Posted by Fcnismo View Post
I don't think the rs400 would be a big seller simply due to price and the 2.0 is a bit under power so I think the 3.0 300hp would be key now the question I ask is weather it's worth getting if you have the 15 3.7 or just be satisfied knowing your not missing much
To justify the RS400 depends on a lot (what your budget is, how you drive, where you drive, etc., etc., etc.). Infiniti essentially structured the 2016 lineup as follows:

Q50 2.0t vs. BMW 320i
Q50 3.0t vs. BMW 328i
Q50 RS400 vs BMW 340i

Now, if you're looking at getting a Q50, theres a few things to consider. Right now, the 2015's are apparently blowing out of showrooms at rock bottom prices so it may seem appealing. But does the current setup fit your needs? Infiniti restructured some packages for the new model year, like I believe now you can get stuff like adaptive cruise control and blind spot warning in a driver's assistance package, not only in Technology. Power adjustable steering wheel and seat memory is now in Premium Plus with stuff like Navigation, not Deluxe Touring like it had been. FWIW, I saw my dealer had a 2016 2.0t Q50 AWD with the Premium Plus package and sticker was around 45k. It all comes down to what you're looking for and if what's around fits what you want. I like that some of the driver assistance tech is now in less expensive packages, but I'm not sold if I would have gotten it. Personally, I like driving so having a Q50S with Navigation and Deluxe Touring has been a great combination for me. Are the driving aids nice to have? Absolutely, but it wasn't a deal breaker for me. Just wish they would have decided to add remote start in 2015 and not a year later (NJ winters are not my thing). My dealer is 10 minutes away and I talk to my old coworkers there so I usually find out when the new stuff comes in so I can take a look at what comes out and stay up to date. Some call it being a bit obsessive, I call it being passionate about a brand I worked for and admire
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Last edited by miccris93; 03-29-2016 at 12:01 AM.
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post #6 of 46 (permalink) Old 03-29-2016, 09:38 AM
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Quote:
Originally Posted by miccris93 View Post
To justify the RS400 depends on a lot (what your budget is, how you drive, where you drive, etc., etc., etc.). Infiniti essentially structured the 2016 lineup as follows:

Q50 2.0t vs. BMW 320i
Q50 3.0t vs. BMW 328i
Q50 RS400 vs BMW 340i

Now, if you're looking at getting a Q50, theres a few things to consider. Right now, the 2015's are apparently blowing out of showrooms at rock bottom prices so it may seem appealing. But does the current setup fit your needs? Infiniti restructured some packages for the new model year, like I believe now you can get stuff like adaptive cruise control and blind spot warning in a driver's assistance package, not only in Technology. Power adjustable steering wheel and seat memory is now in Premium Plus with stuff like Navigation, not Deluxe Touring like it had been. FWIW, I saw my dealer had a 2016 2.0t Q50 AWD with the Premium Plus package and sticker was around 45k. It all comes down to what you're looking for and if what's around fits what you want. I like that some of the driver assistance tech is now in less expensive packages, but I'm not sold if I would have gotten it. Personally, I like driving so having a Q50S with Navigation and Deluxe Touring has been a great combination for me. Are the driving aids nice to have? Absolutely, but it wasn't a deal breaker for me. Just wish they would have decided to add remote start in 2015 and not a year later (NJ winters are not my thing). My dealer is 10 minutes away and I talk to my old coworkers there so I usually find out when the new stuff comes in so I can take a look at what comes out and stay up to date. Some call it being a bit obsessive, I call it being passionate about a brand I worked for and admire
Fette?? Wow, small world, I used to live off Rt. 46 in Clifton! Now, live in Ohio, soooo not as much traffic on the highways during my morning commute in an RS400
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post #7 of 46 (permalink) Old 03-29-2016, 11:36 AM
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Quote:
Originally Posted by miccris93 View Post
VQ37
-3.7 liter V6
-328HP/269LB-FT Torque
-Normally aspirated so no turbo lag
-High redline at 7500RPM
-Considered large for a V6
-VQ series in production since 1995 leading to the VQ37 (variants of VQ30, VQ35, etc.)

VR30 (300HP)
-3.0 liter V6
-300HP/295LB-FT Torque
-Twin turbo (Possibly slight lag, but peak torque is at a much lower RPM and stays at peak longer)
-Lower redline @ 7000RPM (I think)
-Smaller engine = less weight
-Technically is a more modern/innovative piece of engineering

Even though they're both V6 engines, they make their power differently. The VQ37 is a high revving engine that uses technology like VVEL to keep the torque curve and power delivery "flat", but the peak torque isn't until a relatively high RPM. On the VR30 peak torque is, I think, around 1500RPM so it will probably be more ideal for around town driving where you want extra grunt than a power band that really winds out. For things like 0-60, I feel like they will be similar since what the VQ misses off the line in torque can be made up in top-end horsepower (28 more horsepower but 26 less lb-ft). I'll be keeping my VQ37-powered Q50 since I absolutely love this engine. I like how high revving it is, how intoxicating the exhaust is with the sport muffler, and just that the VQ is so proven that it can take some "abuse" and still be bulletproof reliable. I am interested in comparing them so I'll be keeping in touch with my dealer for when they come in. As for the RS400, I'm sure it's awesome but it's just not necessary in NJ where my commute is almost guaranteed to be traffic at some point. 328hp is enough to get me in trouble anyway
This right here. The VQ's have been tried and tested as well as proven a lot over the years. Turbo engines are in my opinion a bit more sensitive and probably a bit more to maintain. For example, I don't think it would matter much if you missed filling up premium in the VQ but a turbo lacking premium fuel will likely feel it immediately.

I had the option to wait a couple months for the new engines, but when I found out they were going turbo, I almost instantly made my decision on purchasing the 2015, plus all the awesome incentives and savings made it a must buy. My Maxima had an engine from the same family line, albeit a 3.5 VQ and that thing not once gave me an issue, even after owning for 10 years and 350,000 km (original owner) when it was sadly written off.

Lastly, I was at the dealer grabbing touch up paint last week and the 2.0t was on the floor. It was stickered at 48k CAD which seemed rather high to me, especially since it was sitting on 17" wheels meaning its likely not even a loaded model. So essentially, the turbos are a new "mid gen" vehicle. Even if I were to buy one, I would have likely waited a couple years before purchasing a new gen vehicle.

Last edited by pac_4_ever; 03-29-2016 at 12:04 PM.
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post #8 of 46 (permalink) Old 03-29-2016, 02:43 PM
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The VQ3.7 is a very capable motor.

Going NOS/FI (properly tuned) and running stock internals yeilds; NOS-420hp/390tq, SC-500hp/400tq and TT-+650hp/+500tq at the wheels.

Running the VQ3.7 N/A (properly tuned) with HFC and CBE yeilds 330hp/270tq at the wheels getting nearly 13 seconds flat in the 1/4mile, lower diff might crack 12s.

Why do I need to trade my 1-2year old 3.7 Q50 and give the dealer 10-15k in trade loss?

This new 2016 3.0tt will not be as easy to upgrade out of the gate.

Aside from waiting on tuning, the turbos look to be permanently attached the heads. Normal boost upgrades by changing turbos (where you get the biggest performance increases) are going to be alot more complicated and costly than other turbo motors.

You have a lot more options with the 3.7 in my opinion.

If I reinvest the 10-15k on the 3.7 you will be way ahead of the 2016 option.
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post #9 of 46 (permalink) Old 03-29-2016, 08:55 PM Thread Starter
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I love the vq engine but wished it had some more low end for those quick merges, I'm in jersey as well and the high end smooth speed is useless cause of all the traffic so the only pleasure is those quick merges
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post #10 of 46 (permalink) Old 03-29-2016, 11:13 PM
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We'll just have to wait and see. The numbers on paper can only tell us so much
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