Complex sentence: Initially, Renault sold the R16 with just a 1.4 L gasoline engine in "GL" specification; then followed the 1.6 L "TS" which could top 100 mph.
Split into simpler sentences: Initially, Renault sold the 16 with just a 1.4 L petrol engine in "GL" specification. Then followed the 1.6 L "TS" which could top 100 mph.