It depends on how you take care if it. How often you change the oil and filter. What type of oil and filter you use. when you change the air filter gas filter and how you drive. If you drive in the city or open road. Light foot or heavy foot.
So as you can see, it depends on you.
Do everything right and you should get 300,000 miles out of it, or more.
My 2001 Nissan Sentra GXE gets right around 30 MPG.
I have a 92 with a 1.6 and get about 34 miles per gallon.(SMILE)
The 2006 Nissan Sentra has 16 valves.
The 2001 Nissan Sentra has 16 valves.
The 2004 Nissan Sentra has 16 valves.
The 2009 Nissan Sentra has 16 valves.
The 2007 Nissan Sentra has 16 valves.
The 2002 Nissan Sentra has 16 valves.
The 2013 Nissan Sentra has 16 valves.
The 2010 Nissan Sentra has 16 valves.
The 2003 Nissan Sentra has 16 valves.
The 2008 Nissan Sentra has 16 valves.