GMG Sportwagenmanufaktur Altenburg GmbH was established by Roland Gumpert in 2004 with production of the Apollo beginning a year later.  The car was powered by a version of the Audi V8 engine.  Bankruptcy forced the closure of the company in 2013.

2006 Gumpert Apollo. Model by Spark
2008 Gumpert Apollo S. Model by Solido
2010 Gumpert Apollo S. Model by IXO