Best Oil for Jeep 4.0 [Oil Type & Capacity]
Oil Type and Capacity for Jeep 4.0
Jeep is an extremely powerful vehicle that attracts many people. But these vehicles also need to be maintained to retain their power. Choosing the right oil for your Jeep isn’t an easy decision. You need to balance many different factors such as weather, driving habits, and the number of miles you drive every year. After several hours of research, I believe that simply changing your oil every 3000 miles (no matter where you live) is the best bet for your vehicle. The older the car gets the more important it will be to change your oil frequently. You’ll want to choose the right oil that balances the needs of your engine with budget concerns. Plus, you’ll want a high quality oil that performs well in extreme conditions that your Jeep encounters on a daily basis.
The oil capacity of a Jeep 4.0 is roughly 5 quarts of motor oil with filter replacement. It’s important to note that not all engines require the same amount of oil, as your vehicle can have an impact on your necessary oil amount. Moreover, it uses the viscosity of 10W-30.
Best Oil for Jeep 4.0
Looking for Best Oil for Jeep 4.0? Having an oil change is always recommended, but not all motor oils are equal. And having the wrong oil in your vehicle can lead to decreased performance and engine problems. For example, you don’t want to use cold-climate oil in your Jeep during the summer months if you plan on taking it off road or plan on driving long distances.
There are several things that need to be maintained such as oil changes, rotation or tires, and other preventative maintenance services (PMS) that should be performed by certified mechanics. Any Jeep 4.0 owner will be able to tell you how much work it can be to work on their own car. This is due, in part, to how complicated the car can be. That’s why you should always consult with your mechanic when dealing with the jeep engines, but you can read about engine oil below and make sure you are using the proper type for your car.
1. Mobil 1 High Mileage 10W-30 Motor Oil
Mobil 1 High Mileage full synthetic motor oil 10W-30 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes. It also meets ILSAC GF-6 standards to help protect engines from low-speed pre ignition (LSPI), timing chain wear protection while keeping your engine clean and helping your fuel economy. Mobil 1 full synthetic motor oils provide excellent internal engine heat protection (up to 500 degrees F) and low temperatures (to -40 degrees F). Moreover, it helps extend engine life by working to prevent damaging deposits and sludge buildup. Finally, Mobil 1’s superior gear oils offer a combination of exceptional shear stability and advanced anti-wear additives that helps protect gears for longer gear life and better overall performance. Whether you already rely on Mobil 1 in your car or truck or are simply looking for the world’s leading synthetic motor oil brand, you can count on Mobil 1 motor oils to deliver superior performance no matter what type of driving you do – everyday commuting or your once a year road trip.
Mobil 1 High Mileage motor oil is engineered with a proprietary blend of high performance synthetic base stocks fortified with a precisely balanced component system. This combination creates an oil that effectively enhances engine durability, while helping to provide exceptional performance and protection in a wide range of driving conditions.
2. Pennzoil Platinum Full Synthetic 10W-30 Motor Oil
Pennzoil Platinum 10W-30 Full Synthetic Motor Oil helps keep your engine running cleaner by reducing sludge deposits, compared with conventional oils. It is specially formulated to provide faster low-temperature oil flow and protection in extreme heat. Made from natural gas, Pennzoil Platinum is 99% free of impurities. Its unique molecular structure helps reduce friction for better fuel economy and never breaks down under severe heat and pressure to help keep your engine running like new for a long time.
Pennzoil Platinum Full Synthetic Motor Oil with PurePlus Technology, made from natural gas, not crude, is a very high-quality synthetic motor oil that meets or exceeds the toughest standards of car builders and provides outstanding engine protection and enhanced fuel economy. Its innovative low-friction formulation is proven to improve efficiency in your vehicle and helps keep the engine cleaner virtually from the start. Effective even at low temperatures, it has been developed to help protect engines from loss of power. It is engineered to provide completely balanced performance for naturally aspirated, turbocharged, and supercharged gasoline engines. It’s also uniquely formulated to help protect against carbon buildup in your engine. This helps reduce engine maintenance and you’re able to drive on average up to 550 extra miles per year (versus a dirty engine). Its Low-Speed Pre-Ignition (LSPI) performance is specifically designed to help protect vehicles with turbo engines.
3. Valvoline High Mileage Synthetic Blend Motor Oil
Valvoline MaxLife High Mileage Motor Oil with advanced additives, helps to renew aging seals and make older vehicles run like new again. It helps to reduce sludge, deposits, corrosion and rust that can prevent proper sealing between moving parts.
Valvoline High Mileage vehicle oil is formulated to fight the four major causes of engine breakdown and is specially designed to meet the needs of cars as they age past 75,000 miles. It contains a blend of premium base oils and advanced additives to help stop leaks, reduce sludge and deposits, control wear, and fight corrosion. Excellent thermodynamic properties help Valvoline High Mileage motor oil flow easily at low temperatures while helping prevent thermal breakdown at high temperatures. Its deposit control additives fight piston ring sticking, helping keep your engine running stronger for longer. provides an extra layer of protection to prevent leaks, maintain engine performance and extend the life of hard working engines that are frequently used in daily commuting and traveling, or in seasonal use vehicles such as tractors and snowmobiles, RVs and boats, motorcycles and all-terrain vehicles. Once you discover MaxLife High Mileage oil’s ability to provide excellent protection against higher heat and greater stress on older engines, it will become your trusted partner as you navigate through feature challenges.
4. Pennzoil High Mileage Conventional 10W-30 Motor Oil
Pennzoil High Mileage was specially formulated by oil experts with high mileage vehicles in mind. It is specifically designed to help clean out sludge accumulated in engines over time and protect the engine from wearing out quickly. Additionally, it is ideal for those with older engines that have seals that might be drying out and suffering from leaks. Engineered for maximum cleaning power and superior wear protection, Pennzoil High Mileage Full Synthetic motor oil helps clean out the sludge lesser oils leave behind while protecting critical engine parts to help extend the life of your vehicle. With over 75 years of innovation, Pennzoil is the motor oil that’s made from natural gas and specially designed for High Mileage cars and light trucks, to help clean out (flow) the unburned fuel, harmful deposits and contamination that lesser oils leave behind. Flow freely, smoothly and efficiently under even cold conditions with all-weather Pennzoil High Mileage Full Synthetic motor oil.
Pennzoil High Mileage motor oil is unique because it not only protects against deposits and sludge, it also helps reduce leaks and oil consumption in worn or higher mileage engines. It is made to meet or exceed the Original Equipment Manufacturers (OEM) requirements. Thanks to its proprietary formula, Pennzoil High Mileage helps protect engines under all driving conditions and oil temperatures.
5. Royal Purple High Performance Synthetic Motor Oil
The performance benefits of synthetic motor oil have been proven in many of the world’s most advanced airplanes, racing cars, and military vehicles. Now those same benefits are available for your car. Royal Purple’s high-performance motor oils are designed to maximize engine performance and provide superior protection. This oil is a full synthetic ASTM A3/B4 oil that is specially formulated with higher levels of zinc and phosphorus than shown to be minimally effective by the API SM/ILSAC GF-5 specifications, which reduces wear during cold starts, improves fuel economy and also provides unsurpassed protection against LSPI.
Get ultimate protection and performance with Royal Purple’s API-licensed SAE 10W-30 high performance synthetic motor oil. The proprietary Synerlec technology provides increased fuel economy and reduced emissions, while the high film strength helps protect hardworking engines. Royal Purple’s exclusive Synerlec additive technology is effective in combatting low speed pre-ignition (LSPI), a condition that can destroy engines in turbocharged vehicles due to excessive torque, that previously has only been prevented by lowering compression ratios for boost engine design. It also provides excellent protection in applications where oils tend to oxidize from the high temperatures or where fuel dilution from heavy loads or hard use causes a regular motor oil to lose its viscosity. This oil also improves horsepower, torque and fuel economy in city and highway driving.
6. Castrol Edge High Mileage Advanced Full Synthetic Motor Oil
Castrol EDGE High Mileage is a full synthetic 10W-30 advanced motor oil designed to help maximize engine performance in vehicles with more than 75,000 miles. As vehicles age, their engines build up sludge and deposits which reduce oil flow and rob engines of performance and efficiency. Castrol EDGE High Mileage is boosted with an extra measure of our liquid titanium technology that physically changes the way the oil behaves under extreme pressures doubling its film strength and reducing oil breakdown by 33%. This results in an oil that holds up better under intense heat and reduces leaks, oil burn off and power-robbing deposits. With vehicles running hotter, this formula is especially important for high mileage engines.
Castrol EDGE High Mileage Motor Oil provides unsurpassed levels of protection and performance. It’s boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown, resulting in reduced leaks, oil burn off and power-robbing deposits, improved fuel economy, and better protection in extreme temperatures. Castrol EDGE High Mileage with Fluid Titanium is the natural choice for drivers looking to maximize their engine’s performance. Moreover, it provides superior motor oil strength for maximum engine performance.
7. Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil
Protect your car with Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil to help extend your engine life. Formulated with the highest quality base oils and exclusive high-performance additives, this motor oil resists viscosity breakdown for a full protection you can consistently rely on. The synthetic blend provides an extra layer of protection against deposits, rust and corrosion, plus offers extreme temperatures protection. Featuring advanced anti-wear additives, our advanced full synthetic motor oil reduces wear better than conventional oils. For unbeatable engine defense and long lasting performance, use Valvoline Advanced Full Synthetic Motor Oils in your cars and light duty trucks.
Valvoline Advanced Full Synthetic Motor Oil is specially formulated to hold up against tough driving conditions. The detergents, anti-wear additives and inhibitors in Valvoline Advanced Full Synthetic Motor Oil provide engine cleaning, protection, deposit control and seal conditioning. It helps protect hardworking gas and diesel engines from damaging deposits and wear. Designed for all types of modern vehicles, it provides proven protection in extreme weather conditions – both high heat and subzero cold – and is recommended for many vehicles. Use it when 10W-30 is not available.
Factor to Consider Before Buying Oil for Jeep 4.0
The engine of a car is a complex mechanism with lots of moving parts. Oil prevents these parts from rubbing against each other, causing friction that can lead to damage. Additionally, oil absorbs heat and transports it away from the vital parts of the engine.
There are several factors that you need to consider before buying oil for your Jeep 4.0. Some of them include the following.
Car Model
Many vehicle models have specific requirements for their oils. This is due to different technologies and conditions that exist under the hoods of the various cars. Some vehicles require synthetic motor oils, while others use conventional oils. The 4.0-liter engine in your Jeep is fitted with a positive crankcase ventilation system that requires a viscosity grade of SAE 5W-20 or SAE 5W-30 oil. A higher numerical rating means that the oil is thicker and offers more protection to moving parts in extremes of temperature as well as high speeds.
Viscosity
Engine oils are rated according to viscosity, which is the oil’s resistance to flow. In other words, how thick it is. The higher the viscosity rating, the thicker the oil. Motor oil viscosity determines how an engine will perform under various conditions. For example, a car’s owner manual may specify that 5W-30 should be used in cold weather and 10W-30 for warmer weather. It’s important to follow manufacturer recommendations on this because using a heavier weight oil than recommended can result in increased friction and wear, which will shorten engine life. The lower temperature of winter also brings with it increased fuel consumption and longer start-up times for engines. 5W-30 motor oils have been formulated to address these problems and still provide excellent performance throughout the year in all types of weather.
Capacity
The capacity of the Jeep 4.0-liter engine is 6 quarts. If you are replacing the oil in your Jeep, you need at least this amount of oil to fill the engine crankcase. If you are adding oil because of a leak or other problem, you should fill until it overflows, which indicates that it is full.
Oil Type
Jeep recommends 10W-30 motor oil for use in its 4.0-liter engines. If a synthetic motor oil is desired, 5W-40 synthetic oil can be used instead, although it is more expensive than conventional 10W-30 motor oil.
Conventional Oil
This is the cheapest and most popular type of oil you can get in your vehicle. It works very well for vehicles that aren’t driven too often or that do not have high temperatures under the hood. Conventional oil is best used in mild weather conditions and not in extreme heat and cold or high altitudes. However, if you live in a moderate climate and don’t drive your vehicle for long distances often, conventional oil will work fine for you.
Synthetic Blend
As the name suggests, synthetic blend oil is a mix between conventional oil and synthetic oil. It contains as little as 20 percent synthetic oil or as much as 50 percent synthetic oil. The added synthetic base makes it more resilient to extreme temperatures and higher altitudes, which makes it good for people who live in more extreme climates. It also works well with vehicles that are constantly going long distances since it can withstand the heat from friction.
Full Synthetic
Full synthetic motor oil is a good choice for high-performance vehicles like Jeeps because it protects engines better than either conventional or synthetic blend oils do, especially in colder temperatures. It also reduces wear on the engine by reducing friction while improving fuel economy.
Additives
You want engine oil that has additives in it. These additives can help protect your engine from wear, rust, and corrosion-causing agents. They should also help your engine run smoother, be more durable, and last longer.
Some additives you might find include zinc dithiophosphate (ZDDP), molybdenum, and calcium sulfonate. These are all great at keeping your Jeep 4.0 running smoothly for longer periods of time.
Container Condition
This may seem like a minor thing to consider, but it is important to make sure that the container is in good condition before you buy any type of oil for Jeep 4.0. If there is any kind of damage to the container or if it looks like it is close to cracking or breaking open, then you should take your business elsewhere.
Frequently Asked Questions About Oil for Jeep 4.0
How Much Oil Does A Jeep 4.0 Take?
The total amount of oil that a 4.0L Jeep engine takes to fill its oil pan varies based on the model year, but it generally ranges between 5 quarts (4.7 liters) and 6 quarts (5.7 liters).
How Do I Add Oil To My Jeep 4.0?
Make sure your Jeep is parked on level ground with the engine off and the parking brake engaged. Remove the dipstick and wipe it clean with a rag or paper towel. Using the funnel, carefully pour the oil down into the dipstick tube until the oil reaches the “Full” mark on the stick itself. Replace the dipstick, start the engine and allow it to run for one minute before rechecking the oil level with a clean dipstick to make sure you have not overfilled.
Which Oil Does Jeep Recommend?
Jeep recommends using 10W-40 motor oil for the Wrangler 4.0 engine. Motor oils with a viscosity of 10W-40 are thicker than other oils, which means they adhere better to the moving parts in the engine and provide better protection.
Can I Mix Synthetic And Regular Oil?
Oil that is labeled “synthetic blend” is a mixture of regular oil and synthetic oil. Anytime you mix synthetic oil with regular oil, you run the risk of contaminating the synthetic oil. Jeep does not recommend mixing synthetic and regular motor oil in any of its engines.
How Often Should I Change The Oil On My Jeep 4.0?
The service interval for changing the motor oil on your Jeep Wrangler 4.0 engine should be no more than 6,000 miles or once every six months, whichever comes first.