The rear-wheel-drive C15 model gets a combined 19 mpg (16 mpg city, 23 mpg highway), and the four-wheel-drive K15 model comes in at 18 mpg combined (16 mpg city, 22 mpg combined). Those ratings are achieved by the redesigned 5.3-liter V-8 engine paired with a six-speed automatic.
The map on the right shows that lightning is not distributed evenly around the planet. About 70% of lightning occurs on land in the Tropics, where the majority of thunderstorms occur. The north and south poles and the areas over the oceans have the fewest lightning strikes.
Additional Lightning Information. An average of 49 people are killed each year by lightning, based on data from 1985 to 2014. July is the peak month for lightning fatalities, based on data from 2006 to 2013. Not surprisingly, June is the second highest month and August comes in third place.