Land Rover Defender
Data verified by Nick Marchenko, PhD
Maintaining your 2021–2022 Land Rover Defender is crucial for optimal performance and longevity. This model offers three engine options: the AJ126 3.0L V-6, the AJ133 5.0L V-8, and the AJ20P 2.0L I-4. Each engine has specific oil capacities, with the AJ126 requiring 9.3 quarts of 0W-20 oil, the AJ133 needing 8.5 quarts of the same viscosity, and the AJ20P utilizing 7.4 quarts. Regular oil changes help ensure that your engine runs smoothly and efficiently.
In addition to oil maintenance, it's essential to keep an eye on coolant levels. The AJ126 has a coolant capacity of 13.1 quarts, the AJ133 holds 8.2 quarts, and the AJ20P requires 11.9 quarts. Using the correct oil and coolant is vital for the performance of your Defender, as it helps prevent overheating and engine wear.
Land Rover Defender Oil Capacity
| Engine | Oil Capacity | Viscosity | Coolant | Years |
|---|---|---|---|---|
| AJ126 AJ-V8 V6 The AJ126 engine has a displacement of 3.0L V-6. The power output is 335 hp with a torque of 332 lb-ft. | 9.3 qt | 0W-20 | 13.1 qt | 2022, 2021 |
| AJ133 AJ-V8 Gen III The AJ133 engine has a displacement of 5.0L V-8. The power output is 370 hp with a torque of 375 lb-ft. | 8.5 qt | 0W-20 | 8.2 qt | 2022, 2021 |
| AJ20P Ingenium AJ - Petrol The AJ20P engine has a displacement of 2.0L I-4. The power output is 200 hp with a torque of 295 lb-ft. | 7.4 qt | 0W-20 | 11.9 qt | 2022, 2021 |
Land Rover Defender – Frequently Asked Questions
How many quarts of oil does the Land Rover Defender take?
The Land Rover Defender oil capacity varies by engine: AJ126: 9.3 qt; AJ133: 8.5 qt; AJ20P: 7.4 qt. Always confirm the exact capacity for your specific engine before an oil change.
What type of oil does the Land Rover Defender use?
The Land Rover Defender uses 0W-20 engine oil across all its engine variants. Full synthetic oil meeting API/ILSAC specifications is strongly recommended for optimal engine protection and performance.
What is the coolant capacity of the Land Rover Defender?
The coolant capacity for the Land Rover Defender varies by engine: AJ126: 13.1 qt; AJ133: 8.2 qt; AJ20P: 11.9 qt. Use the coolant specification listed in the owner's manual for your engine variant.
What type of oil does the Land Rover Defender use?
The Land Rover Defender uses 0W-20 viscosity oil for all its engine options, including the AJ126 3.0L V-6, AJ133 5.0L V-8, and AJ20P 2.0L I-4.
How many quarts of oil does the Land Rover Defender take?
The oil capacity varies by engine: the AJ126 takes 9.3 quarts, the AJ133 requires 8.5 quarts, and the AJ20P uses 7.4 quarts.
How often should I change oil in a Land Rover Defender?
It's generally recommended to change the oil in your Land Rover Defender every 5,000 to 7,500 miles, depending on driving conditions and oil type. Always refer to your owner's manual for specific guidelines.
What is the coolant capacity of the Land Rover Defender?
The coolant capacity varies by engine: the AJ126 has a capacity of 13.1 quarts, the AJ133 holds 8.2 quarts, and the AJ20P requires 11.9 quarts.
Does the Land Rover Defender need synthetic oil?
Yes, the Land Rover Defender is designed to run on synthetic oil, specifically 0W-20, which helps improve engine performance and efficiency.
What happens if I use the wrong oil viscosity in my Land Rover Defender?
Using the wrong oil viscosity can lead to inadequate lubrication, increased engine wear, and potential overheating. It's crucial to stick with the recommended 0W-20 oil.
What is an oil life monitor and how does it work?
An oil life monitor tracks the condition of your engine oil based on driving habits and conditions. It alerts you when it's time for an oil change, helping you maintain optimal engine performance.
Can I mix synthetic and conventional oil?
While it's technically possible to mix synthetic and conventional oils, it's not recommended as it can reduce the effectiveness of the synthetic oil. Stick to one type for best results.
How do I know if my Land Rover Defender has an oil leak?
Signs of an oil leak include oil spots under your vehicle, a burning oil smell, or an oil pressure warning light on the dashboard. Regularly checking your oil level can also help identify leaks.
What causes excessive oil consumption?
Excessive oil consumption can be caused by worn piston rings, valve seals, or engine gaskets. It's important to diagnose the issue promptly to avoid further engine damage.
Should I check my oil when the engine is hot or cold?
It's best to check your oil when the engine is warm but not hot. This ensures that the oil has circulated and provides an accurate reading on the dipstick.
What is the difference between an oil change and a flush?
An oil change involves draining the old oil and replacing it with new oil, while an oil flush cleans the engine by removing sludge and deposits before a new oil change. Flushing is not always necessary.