 Complete the following phrase:  The Nissan GT-R LM Nismo was a sports prototype racing car built by the Nissan Motor Company and their motorsports division Nismo. Designed for the Le Mans Prototype 1 Hybrid LMP1-H regulations of the FIA World Endurance Championship and the 24 Hours of Le Mans, the GT-R LM was unique amongst Le Mans Prototypes at the time for utilizing a front mid-engine layout for its internal combustion engine, as opposed to the rear mid-engine layout used by nearly all other competitors in the category. It was Nissans first prototype chassis since the R391 in 1999, although the company had developed engines in recent years. The car was branded after the Nissan GT-R road car and shares similar engine and drivetrain configurations, but is not related to the sports car. The GT-R LM Nismo program was announced on 23 May 2014, while the car was publicly shown for the first time in a Nissan commercial during Super Bowl XLIX on 1 February 2015. It was retired from competition at the end of 2015, after having only competed unsuccessfully at the 