AJ25[edit]

The AJ25 is a 2.5 L; 152.3 cu in (2,495 cc) version built. It shares the 2.1’s 81.6 mm (3.21 in) bore and is stroked to 79.5 mm (3.13 in), the same as the 3.0 L (2,967 cc). It delivers 193 hp (144 kW; 196 PS) at 6800 rpm with 178 lb⋅ft (241 N⋅m) of torque at 3000 rpm from 10.3:1 compression.

This engine is used in the following vehicles:

• 2001-2009 Jaguar X-Type 2.5, 193 hp (144 kW; 196 PS) and 180 lb⋅ft (244 N⋅m)
• 2002-2006 Jaguar S-Type 2.5 (UK), 201 hp (150 kW; 204 PS) and 185 lb⋅ft (251 N⋅m)