The share of 4 cylinder engines installed in light vehicles has been increasing since 2004. Beginning in 2006, cars have shown an increase in 4 cylinder engine installations while 8 cylinder engine installations have declined during that same period. For light trucks, 6 and 8 cylinder engine installations have declined modestly while the number of 4 cylinder engines has increased markedly from 4.5% in 2004 to nearly 15% in 2009.
Engine Installations by Cylinder for Cars, 2000-2009
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Engine Installations by Cylinder for Light Trucks, 2000-2009
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Supporting Information
| Cars | Trucks | All Light Vehicles | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year | 4cyl | 6cyl | 8cyl | Year | 4cyl | 6cyl | 8cyl | Year | 4cyl | 6cyl | 8cyl | ||
| 2000 | 46.6 | 44.0 | 9.3 | 2000 | 7.8 | 49.6 | 40.8 | 2000 | 26.9 | 46.8 | 25.3 | ||
| 2001 | 48.8 | 42.3 | 8.9 | 2001 | 7.2 | 48.7 | 42.6 | 2001 | 27.1 | 45.6 | 26.5 | ||
| 2002 | 49.0 | 43.0 | 8.1 | 2002 | 6.4 | 50.8 | 41.9 | 2002 | 24.3 | 47.5 | 27.7 | ||
| 2003 | 49.1 | 42.8 | 8.1 | 2003 | 6.4 | 47.5 | 45.2 | 2003 | 24.6 | 45.5 | 29.4 | ||
| 2004 | 50.1 | 42.4 | 7.5 | 2004 | 4.5 | 45.2 | 48.5 | 2004 | 22.7 | 44.1 | 32.1 | ||
| 2005 | 53.5 | 39.1 | 7.4 | 2005 | 5.1 | 50.4 | 42.2 | 2005 | 24.9 | 45.8 | 27.9 | ||
| 2006 | 48.5 | 38.8 | 10.2 | 2006 | 8.0 | 47.6 | 41.6 | 2006 | 25.4 | 43.8 | 28.1 | ||
| 2007 | 52.6 | 34.6 | 7.2 | 2007 | 9.9 | 45.3 | 42.9 | 2007 | 28.4 | 40.7 | 27.5 | ||
| 2008 | 57.0 | 30.2 | 5.6 | 2008 | 10.1 | 47.5 | 40.7 | 2008 | 31.9 | 39.5 | 24.4 | ||
| 2009 | 61.9 | 24.2 | 4.9 | 2009 | 14.8 | 44.0 | 40.0 | 2009 | 37.9 | 34.3 | 22.8 | ||
Note: Only 4, 6, and 8 cylinder engines are considered in these data, though a small amount of other engines are installed. | |||||||||||||