Not even a question. Go v8. If none of the ppl here had to worry about $$$ they would all have v8's.4 cyl cars are what you buy when you can't afford the v8.
Ask anyone here, keep the cobalt or you'd buy them a v8 and pay for everything inc gas. They'd all take the v8.
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Look for a tahoe if you want suv. Or a silverado/sierra. Go for the 5.3-6L engines.4.8L is lacking hp/tq.
2009 Ford Escape Limited - 3.0L, 6 speed auto, 4x4, 25/33 city/hwy imp mpg.
2017 F150 XLT-XTR - 5.0L, 4x4, 3.55's, E-locker, xtr chrome package, fx4 off-road package.
20/25 imp mpg