Both are driven largely by Supply & Demand rather than inflationary pressures -- hence why economists rely on Core CPI to make decisions -- but there is good data for both;
Think about the rest of your life though, especially if you're outside the SFBay area. Are rents twice as expensive? Did an equivalent Camry cost $11k in 2004 vs. the $22k it costs today?
Gas is ~90% more expensive (http://research.stlouisfed.org/fred2/graph/fredgraph.png?g=E...).
Food is ~30% more expensive (http://research.stlouisfed.org/fred2/graph/fredgraph.png?g=E...).
Think about the rest of your life though, especially if you're outside the SFBay area. Are rents twice as expensive? Did an equivalent Camry cost $11k in 2004 vs. the $22k it costs today?