For 2007, Mazda's compact, sporty B-Series pickup trucks are available in six different trim packages. Regular cab versions come with either a 143-horsepower, 2.3-liter four-cylinder engine or a 148-horsepower, 3.0-liter V6. Extended cab models, which feature both front doors and rear-hinged back doors, are equipped with either the 3.0-liter V6 or a 207-horsepower V6. In addition, both Dual Sport and SE packages are available. The Dual Sport models feature body-color trim and 15-inch alloy wheels, while the SE packages come with extra chrome trim and 16-inch alloy wheels. A five-speed manual transmission is standard on all models except the B4000 SE, which comes with a five-speed automatic transmission. The five-speed automatic is available as an option on the other trim packages. All models come with a four-gauge instrument cluster with silver-ringed and silver-faced gauges. A center armrest with storage space, 60/40 split front bench seats, anti-lock brakes, power-assisted rack-and-pinion steering, active safety belts, and dual airbags are also standard features.