370z 2009-2013. Do they look different?

Volk Z

2013 base is the same as all years except has the oil cooler like the 2012.
2013 performance model comes with the different bumper with LEDs and red calipers.

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Dave N

Base vs. Touring vs. Sport all have the same front bumper fascia. Therefore, the '13s are all different than the '09 ~ '12 models in that regard (added LED DRLs and removed the "fangs").

Also - for the OP, there are other differences between the '13 version and the earlier models.

Going off the top of my head:
1) Sport model brake calipers are now red ('12 and earlier have grey)
2) Sport model suspension tuning revised.
3) The fuel/coolant gauge face is black on the '13 ('12 has bright aluminum finish).
4) Wheel designs (both Sport and Base) are different on the '13.
5) Rear bumper fascia is different but it's hard to tell what is different other than the fake fog light is now red vs. black.

As others have said, you can search for this info and it will pop up. But seeing as this is a 3-day weekend, I was feeling a bit generous.

Dave