I saw similar data on Honda. Basically the Civic grew a lot since its first generation and the Honda Fit is bigger than the first Civic. It seems like a trend accross the industry. Domestics got smaller and lighter (since the 70's) and imports got bigger and heavier.
2008 E90 335i | Silver Grey | Terra | Piano Black | ZSP | ZKO | ZAT | ZKI | ZPL | ZKL |
2007 E91 328xi | Black Sapphire | Terra | ALuminium | ZKO | ZKI | ZPL
Past Cars: 2004 ///M3, 2002 E46 330xi, 2003 GTI 1.8T, 1996 Neon