“Lightweight” is a subjective term but many cars, usually sporty varieties have special techniques to get the weight down. Reducing the weight can increase road performance, cost to manufacture and fuel economy. Lightweight can refer to hardcore sports cars and many of the mass market cars as well. The challenge is to have the same horsepower as a more built up car in the lighter model.
There is the Caterham 7 for example which only weighs 1,201 lbs. They market themselves as “less is more” and with good reason. The tubular steel chassis is apparently important to make the car so light. Should you have the opportunity to see it on the racetrack you’ll be impressed with the Caterham’s fantastic top speed–155 MPH.
On the other hand, the Ariel Atom might resemble driving a go-cart. The light weight is accomplished through what the company calls Lightweight Innovative Flexible Technology, which is car jargon for a “double unequal length wishbones” which is really just o a pair of flexible components which slightly resemble a wishbone. The suspension doesn’t just move up and down so dump that Y Shape in your mind’s eye and picture instead thick strands of hair. We’re assuming there’s still something wishbone-like about the design.
The way the Lotus Elise Sprint managed to shave off the pounds was by substituting carbon fiber for the metal used in making the car. The designers couldn’t just leave it at that, so they also redesigned the interior and added a new instrument panel with Bluetooth. It seems it’s not just about being light with Lotus Elise Sprint it’s also about creating a brilliant experience while you drive.
Another car which uses carbon fiber is the Noble M600. It is given the description “Superlight” by its marketing team. There are three different types of M600; the Coupe, the CarbonSport and the Speedster (the original version was the Coupe). Perhaps the most unique feature here isn’t the weight but the fully bespoke interior meaning you have to design it yourself. Clever marketers call it an “unlimited color palette.” Could you design a car’s interior? Yeah, us neither.
Another popular example is the Mazda Miata. In common with the Noble M600, it comes in three different trims; those being Sport, Club and Grand Touring. The Grand Touring price tag weighs the most. Despite the lightness in weight they still have both back and front suspension as well as power assist. Many of the cars above skimp on the power steering, but to be fair, lighter cars don’t need as much. Perhaps the Miata targets a crowd with a smaller physical stature.
The KTM X-Bow GT may look like a racing car but it’s still a brilliant car to drive on the streets. The most unusual item that the X-Bow comes with is a luggage system, but it does have some additions which might suit a racing car, a center console, sun visors; a windshield with no actual frame and so on. The design calls to mind Tony the Tiger, but it sort of pulls it off, if that makes sense.
This is by no means an exhaustive list…there’s no end of light weights, and that’s okay.