acceleration time of 7.4 seconds and a governor-limited top speed of . Car and Driver documented the acceleration of a 2007 Mazda3 four-door sedan. Equipped with a 2.3-litre engine and 5-speed manual transmission, the Mazda3 has a 0 time of 7.3 seconds and completes the quarter mile in 15.8 seconds at . The fuel consumption of these models averages in the , with the 2-litre 2008 Mazda3 automatic-transmission model scoring a / city/highway United States Environmental Protection Agency (EPA) rating. 2006 For the 2006 model year, Mazda added variable valve timing and variable-length intake runners to the 2.0-liter engine resulting in a power increase to . The automatic transmission used in the S trim Mazda3 with the 2.3-liter engine was changed from a four-speed to a five-speed design. The larger engine was now PZEV-certified (Partial Zero Emissions Vehicle) for vehicles sold in California and other states that have adopted California automotive emission standards. The smaller engine had already been PZEV-certified. The color palette was also simplified in 2006, with the deletion of Canary Yellow and Lava Orange Mica. 2007 The 3 received a minor cosmetic facelift for the 2007 model year with minimal exterior, interior and mechanical changes. On base models, the black plastic at the top of the grille became body-coloured. The front fascia and bumper were changed with a floating foglight design and the lower air intake opening was reshaped to better resemble the typical "Mazda five-point face." All Mazda3 sedans and five-doors gained the same "Axela" clear-lens style rear tail-lights as the SP23 model, which in 2007, Mazda brought out the Mazda Axela similar to the Mazda6 Atenza. In addition, the Grand Touring trim also featured LED brake lights. The LED brake lights were added to compete with the growing trend of higher-end vehicles using LED tail lamps for more visible light output. The range of alloy wheels were redesigned, featuring a 17-inch alloy wheel for the Grand Touring version. The rear fascia was slightly changed adding a notch on the bumper cover of the sedan. Several new exterior colors were added, phantom blue, a copper red metallic (April 2008), Aurora Blue and dark cherry. The Titanium Gray color was replaced with a darker Galaxy Gray color. The interior of the Mazda3 was offered with several new color choices and an audio jack in the centre console, allowing the use of digital music players. Also, Takara models,