2015 Ram 1500 EcoDiesel 4x4 - Car and Driver (blog)

A 305-hp 3. 6-liter V-6 is standard, but a 395-hp 5. 7-liter Hemi V-8 is optional. All are mated to a smooth-shifting eight-speed automatic with either rear or four-wheel drive. Choosing the diesel option in the Ram 1500 will cost you $4960 over the base Hemi V-8 with a six-speed automatic, $4270 more than the V-6 with the eight-speed auto, and $3120 more than a Hemi with the eight-speed. For that sum, you not only get the 3. 0-liter V-6 oil-burner, but also a 230-amp alternator, 800-amp battery, max-duty engine cooling, a 26-gallon fuel tank, and a 3. 55:1 rear axle. The diesel also requires an upgrade to the 8HP70 eight-speed automatic, for $500. So you’re in for nearly $5K before you burn through your first tank of diesel fuel. Our test truck came equipped with the provocatively named Big Horn package ($1205), which brings a Class IV trailer hitch, an electric-shift transfer case, fog lamps, bright exhaust tips, a power driver’s seat, a leather-wrapped steering wheel... Swapping in a 3. 92:1 rear axle ($50) for the aforementioned 3. 55:1 unit and adding front and rear rubber floor mats ($80) barely nicks the beer fund. Source: www.caranddriver.com