"Percent aluminum" refers to the proportion or amount of aluminum present in a substance or object. It tells you how much of that particular material, by percentage, is made up of aluminum. Full definition
The Velar's 81 percent aluminum body content makes the SUV light and stiff enough to achieve both agile handling and a comfortable ride, Land Rover said. (autoweek.com)
With 75 percent aluminum construction, the 2016 Jaguar XF manages to shave between 132 and 265 pounds compared to today's model, depending on whether the car is equipped with rear - or all - wheel drive. (automobilemag.com)
Jaguar refers to the body and suspension construction as «aluminum intensive,» meaning it contains about 75 percent aluminum content, more than other mid-size premium sedans. (cnet.com)