Jeep Grand Cherokee L is a midsize SUV that offers three rows of seating for up to seven passengers. Now let’s look at the Jeep Grand Cherokee L gas type. The right gas type for your new L depends on the engine it carries.
Jeep Grand Cherokee L powered with 3.6L V6 and 5.7L V8 engine. For a 3.6L engine, Grand Cherokee L recommends regular unleaded gasoline with an 87-octane rating. For a 5.7L engine, it recommends midgrade unleaded gasoline with an 89-octane rating. The 87-octane-rated gasoline is also acceptable in a 5.7L engine.
This article will explore more about the Jeep Grand Cherokee L gas type. Let’s scroll down…
Jeep Grand Cherokee L Gas Type WL
2021-2023
| Trim | Engine | Recommended Gas Type |
| WL Laredo 2021-Now | 3.6L V6 | Regular Gasoline 87 |
| WL Altitude 2021-Now | 3.6L V6 | Regular Gasoline 87 |
| WL Limited 2021-Now | 3.6L V6 | Regular Gasoline 87 |
| WL Overland 2021-Now | 3.6L V6 5.7L V8 | Regular Gasoline 87 Midgrade Gasoline 89 |
| WL Summit Reserve 2021-Now | 3.6L V6 5.7L V8 | Regular Gasoline 87 Midgrade Gasoline 89 |
| WL Summit 2021-Now | 3.6L V6 5.7L V8 | Regular Gasoline 87 Midgrade Gasoline 89 |
What types of gasoline can and cannot be used in the Jeep Grand Cherokee L?
Always use good quality gasoline in Grand Cherokee L. Otherwise, you may have problems such as a hard start or stall. Here are the gasoline types that can and can not use in the new L.
| Gasoline < 87 Octane | Don’t Use |
| Gasolie > 87 Octane | Use |
| Reformulated Gasoline | Use |
| Octane Enhacement Additives (MMT) | Don’t Use |
| Detergent Additives | Use TOP-TIER Detergent Gasoline |
| Oxygenate Blends (Ethanol) | 0-15% |
| Oxygenate Blends (Methnaol) | Don’t Use |
| E-85 | Don’t Use |
Reformulated Gasoline (RFG)
Reformulated gasoline can reduces the emission of toxic pollutants. It can improve engine performance. Many areas of the United States require to use of RFG. Jeep Grand Cherokee L highly advises using reformulated gasoline.
Detergent Additives
The Jeep Grand Cherokee L recommends using TOP-TIER detergent gasoline. Detergent additives keep metal components clean and free of deposits.
Gasoline/Oxygenate Blends
Oxygenate blends mean mixing unleaded gasoline with such things as ethanol or methanol. Use gasoline in the Grand Cherokee L that contains up to 15% ethanol, and don’t use gasoline that contains methanol.
Flex-fule (E-85)
E-85 gasoline types contain 85% ethanol and 15% unleaded gasoline. The Grand Cherokee L does not use E-85. If using an E-85, you may have problems, such as the Grand Cherokee L operating in lean mode. The engine’s performance will drop.
10% Ethanol – Use in all vehicle’s ever sold in the United State.
15% Ethanol – Use most vehicle’ssold in United State after 2001.
85% Ethanol – Use in flex-fuel vehicle’s only.
Octane Ehancemant Additives (MMT)
Jeep Grand Cherokee L discourages the use of MMT because it can reduce spark plug life and increase engine emissions.
Frequently Asked Questions (FAQs)
What gas does a Jeep Grand Cherokee L take?
As we mentioned earlier, the Grand Cherokee L gas type depends on the engine it carries.
It has two engines: a 3.6-liter and a 5.7-liter. So, for a 3.6-liter engine, you can use gasoline with an octane rating greater than or equal to 87. For the 5.7L engine, midgrade gasoline is recommended, but regular gasoline (87 octanes) is also acceptable.
Does the Jeep Grand Cherokee L require premium gas?
No, the Jeep Grand Cherokee L does not require premium gas. For a 5.7L engine, it recommends midgrade gasoline, and for a 3.6L engine, it recommends regular gasoline.
2021 Jeep Grand Cherokee L Fuel type
The 2021 Jeep Grand Cherokee L comes with a 3.6-liter V6 having 293 horsepower and a 5.7-liter V8 having 357 horsepower. For a 3.6-liter engine, recommends regular unleaded gasoline, and for a 5.7-liter engine, midgrade unleaded gasoline is recommended.
Conclusion: Jeep Grand Cherokee L Gas Type
The Jeep Grand Cherokee L gas type depends on the engine it has. You can use regular gasoline in L. Do not use flex fuel and gasoline with more than 15% ethanol.
Use recommended gasoline to get optimal performance and prolong the maintenance schedule for your vehicle.