This made it the most aerodynamic production car ever made (at the time). Volkswagen rated the XL1 at an incredible 260 mpg, ...

The most fuel efficient and aerodynamic production car ever built, the Volkswagen XL1, tore up the streets of New York this week while on its three city tour of the U.S., according to The New York ...

or the force of air pushing against the car. Remember that teardrop shape Todd mentioned earlier? A teardrop is the most efficient aerodynamic shape. It cuts through the air at the front and ...

Even the high-performance sports cars that can accelerate at mind-blowing ... but also one of the most efficient vehicles in the world. An ultra-low aerodynamic drag coefficient and the use of an ...

The long-roof A6 has a drag coefficient of only 0.25, making it the most aerodynamic ICE-powered Audi ... 115.2 inches (2,927 millimeters), while the car is 74.2 inches (1,886 millimeters) wide.

Additionally, the A4 is the most aerodynamic car in its class, boasting a drag coefficient of just 0.23. Audi isn't saying which engines will come to the United States right now, but when the new ...

One of the most valued aspects of the IS 500 is its ... delivering 250 horsepower — a respectable figure for the early '90s. The car's aerodynamic profile is one of its key features, with ...

It's not McLaren's most striking design ... which McLaren calls "Aerocell," is lighter and designed around the aerodynamic elements of the car. The floor is higher by 2.5 inches, but McLaren ...