The Different Motor Oils And How They Affect Your Car

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With different oils to choose from, how can you know which one is right for your vehicle? With several contributing factors, like driving habits, climate, engine age, manufacturer specifications, and engine type, the whole process might seem overwhelming. But it doesn’t have to be. Here is a breakdown of each option and explanations about the purpose so you can make the right choice. And as always, the capable technicians at 610AutoHaus can provide additional guidance during an oil change.

Full Synthetic Oil

This type works best for vehicles needing high-level performance and lubrication, as full synthetic motor oil has higher viscosity levels, helps fight sludge and resists thermal breakdown and oxidation. It also improves fuel efficiency and reduces engine drag.

It’s ideal if you live in a place with extreme weather, like freezing winters or scalding summers, or if you use the vehicle for towing or hauling.

Synthetic Blend Oil

Synthetic blends have many positive attributes of full synthetics at a lower price. As a mixture of conventional and synthetic oils (plus a few additives), blends give you the best of both worlds.

As one of the most popular options, synthetic blend oil attracts drivers who want to switch from conventional to synthetic while saving on cost. It offers the ideal middle ground.

Conventional Oil

As the most preferred option, conventional oil works for late-model, light-duty vehicles with straightforward engines and low or average mileage.

High-Mileage Oil

Specially-designed for automobiles with over 75,000 miles, high-mileage oil reduces consumption and emissions and minimizes leaking and seeping.


To enhance performance, additives make up between 5 and 30 percent of the oil. The most common additives include:

  • Rust and corrosion inhibitors – add a protective film over parts to prevent damage when exposed to moisture and acids
  • Antioxidants – help keep the engine clean by slowing oxidation and deposit formation (extending the life of the oil)
  • Detergents – prevent rust, deposits, and corrosion from forming on pistons and other surfaces
  • Viscosity-index improvers – maintain oil performance despite fluctuations in temperature
  • Anti-wear agents – protect cylinder walls, piston rings, cams and lifters from extreme temperatures by limiting friction
  • Dispersants – allow oil to absorb contaminants to prevent engine damage
  • Pour-point depressants – prevent wax particles from hardening in cold conditions so oil can flow freely
  • Friction modifiers – reduce friction during high temperatures or while the vehicle carries heavy loads

To learn more about which oil makes the most sense for you, call 610AutoHaus at 610-427-4505 and make an appointment today!

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