Original sentence: The "RS" initials stand for RennSport (from , literally translated to "racing sport", actually meaning "motor sport"), and is Audi's highest performance 'top-tier' trim level, positioned distinctly above the "S" ("Sport") specification level of Audi's regular model range
Edited sentence: The "RS" initials stand for RennSport (from German, literally translated to "racing sport", actually meaning "motor sport"), and is Audi's highest performance 'top-tier' trim level, positioned distinctly above the "S" ("Sport") specification level of Audi's regular model range