1.6L Sigma 25th Anniversary

The 1.6L Sigma 25th Anniversary (introduced 2020, Gen 3) is a celebration of the Caterham Seven's legacy, featuring a 1.6L Sigma engine producing 135 hp. This classic convertible combines modern engineering with retro styling cues, including special edition badging and colors. It reflects Caterham's commitment to lightweight performance and driver engagement.