Audi diesel straight-4 1.9 L BKC engines

Audi diesel straight-4 1.9 L BKC 103 HP at 4000 RPM, 250 N⋅m at 1900 RPM engine

It's an 1896 cc (1.67 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 79.5 mm × 95.5 mm (3.13 in × 3.76 in). This engine was rated 77 kW (103.26 hp) at 4000 rpm and 250 N⋅m (184.39 lbf⋅ft) of torque at 1900 rpm.