The 2.0-liter diesel Jaguar AJ21D4 (AJ21D) has been produced since 2020 for the XE, XF, E-Pace and F-Pace. This Ingenium diesel works with a mild hybrid system and produces 163-204 hp; Land Rover uses it as the 204DTY.
Ingenium-series family: AJ200P, AJ200D, AJ20P3, AJ20P6, AJ21D4, AJ20D6.
Specifications
| Production years | since 2020 |
| Displacement, cc | 1997 |
| Fuel system | Common Rail |
| Power output, hp | 163 – 204 |
| Torque output, Nm | 380 – 430 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92.31 |
| Compression ratio | 16.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | MHI TF035HL |
| Recommended engine oil | 0W-30 |
| Engine oil capacity, liter | 6.5 |
| Fuel type | diesel |
| Euro standards | EURO 6d |
| Fuel consumption, L/100 km (for Jaguar E-Pace 2022) — city — highway — combined |
6.5 6.1 6.4 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 169 |
The engine was installed on:
- Jaguar XE 1 (X760) in 2020 – 2024;
- Jaguar XF 2 (X260) in 2020 – 2024;
- Jaguar E-Pace 1 (X540) in 2020 – 2024;
- Jaguar F-Pace 1 (X761) since 2020.
Disadvantages of the Jaguar AJ21D4 engine
- The engine is relatively new, so detailed failure statistics are not available yet;
- Many weak points of its predecessors have been fixed: the timing chains now last closer to 200,000 km;
- Forums mostly discuss the unreliable swirl flap actuator;
- Other complaints concern fouling of the intake, EGR valve and particulate filter.
Frequently asked questions about the Jaguar AJ21D4
How much power does the Jaguar AJ21D4 make?
The Jaguar AJ21D4 develops 163 - 204 hp and 380 - 430 Nm of torque.
How much oil does the Jaguar AJ21D4 take and which one?
Engine oil capacity: 6.5 liters. Recommended oil: 0W-30.
Does the Jaguar AJ21D4 have a timing belt or chain?
The Jaguar AJ21D4 uses a timing chain.
Is the Jaguar AJ21D4 turbocharged?
Yes, the Jaguar AJ21D4 is turbocharged (MHI TF035HL).
Does the Jaguar AJ21D4 need valve clearance adjustment?
No, the Jaguar AJ21D4 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Jaguar AJ21D4 last?
The typical lifespan of the Jaguar AJ21D4 is ~300 000 km with proper maintenance.
What is the fuel consumption of the Jaguar AJ21D4?
Jaguar E-Pace 2022: city 6.5, highway 6.1, combined 6.4 L/100 km.
What cars was the Jaguar AJ21D4 installed on?
Jaguar XE 1 (X760) in 2020 - 2024; Jaguar XF 2 (X260) in 2020 - 2024; Jaguar E-Pace 1 (X540) in 2020 - 2024; Jaguar F-Pace 1 (X761) since 2020.
What are the common problems of the Jaguar AJ21D4?
The engine is relatively new, so detailed failure statistics are not available yet. Many weak points of its predecessors have been fixed: the timing chains now last closer to 200,000 km. All known problems.
