Jaguar brings one-off XKR, Gentilozzi rocket to Goodwood

Jaguar will have an auspicious presence at the Goodwood Festival of Speed this weekend: it's bringing a one-off, lime green XKR and the record-breaking XFR driven by Paul Gentilozzi at the Bonneville Salt Flats. The one-off XKR is called the Goodwood Special and is based on a 2010 model-year car. It has 21-inch wheels, a lowered ride height and a louder exhaust system.

Mazda MX-5 with 270hp launched by BBR

The MX-5 has always lacked one thing: power. But now, British tuner BBR is launching a turbocharged MX-5 that produces 270hp and is capable of reaching 60mph in less than 5 seconds. Based on a 2013 Mazda MX-5 2.0-litre Sport Tech Roadster Coupe, the BBR GT270 will reach 60mph in 4.9 seconds and hit an electronically limited top speed of 150mph.

One Lap of the Web: New Transformers, home-built cars and two Mercury Marauders

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Michael Bay has been releasing the cars of “Transformers 4” for the past couple of months, and the latest one to be revealed is the Pagani Huayra (“why-ra”).