Infiniti Q50 Forum - View Single Post - 3.7 vs 2016 3.0t 300hp
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post #3 of (permalink) Old 03-29-2016, 12:10 AM
miccris93
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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

2015 Q50S AWD, Graphite Shadow
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Last edited by miccris93; 03-29-2016 at 12:14 AM.
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