The Drive line has a life expectancy when properly maintained of 300,000 km (200,000 miles) to 500,000 km (300,000 miles) and many easily exceed this with proper maintenance.
Unfortunately most start to have undesirable body and interior wear and fault issues starting at 250,000 km (150,000 miles) "ish"
These minor issues can be kept ahead of by a good shade tree mechnic.
This was answered on an episode of Mythbusters, you get better gas mileage with the AC on.
Yes.
The EPA mileage estimate for the 2010 Smart Fortwo is 33 mpg in the city, 41 mpg on the highway.
The EPA mileage estimate for the 2014 Dodge Dart is 25 mpg in the city, 36 mpg on the highway.
About 30mpg
I just got one with over 270,000 miles
The EPA mileage estimate for the 2004 Lincoln Navigator is 11 mpg in the city, 16 mpg on the highway.
The EPA mileage estimate for the 2014 Lincoln Navigator is 14 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2007 Lincoln Navigator is 12 mpg in the city, 17 mpg on the highway.
The EPA mileage estimate for the 2002 Lincoln Navigator is 11 mpg in the city, 15 mpg on the highway.
The EPA mileage estimate for the 2010 Lincoln Navigator is 14 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2011 Lincoln Navigator is 14 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2012 Lincoln Navigator is 14 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2006 Lincoln Navigator is 11 mpg in the city, 16 mpg on the highway.
The EPA mileage estimate for the 2013 Lincoln Navigator is 14 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2009 Lincoln Navigator is 14 mpg in the city, 20 mpg on the highway.
The EPA mileage estimate for the 2001 Lincoln Navigator is 11 mpg in the city, 15 mpg on the highway.