2016–2020 Kia Optima Maintenance & Service

Consistent maintenance is essential for keeping your 2016–2020 Kia Optima running smoothly mile after mile. Following a recommended service schedule at Firestone Complete Auto Care can help support long-term performance. Schedule your appointment today.

Common Maintenance Intervals for the 2016–2020 Kia Optima

Service intervals may vary depending on the climate where you live, how you drive, and your engine type. Refer to your owner's manual or ask a Firestone Complete Auto Care specialist for advice tailored to your specific Optima.

2016–2020 Kia Optima Service Coupons

2016–2020 Kia Optima Oil Change Schedule

Regular oil changes help keep engines lubricated and running efficiently. However, if you frequently drive in harsher environments — such as stop-and-go traffic, extreme temperatures, or short trips — you may need to service your oil more often to protect engine health.

Staying on schedule with oil changes is one of the most important maintenance steps for long-term engine health. Always follow the recommended interval for your driving conditions.

2016–2020 Kia Optima Oil Type Information

Using the proper engine oil helps your 2016–2020 Kia Optima deliver the dependable performance you count on. Below are common oil specifications for this generation by engine:

2016–2020 Kia Optima Oil Coupons

Tire Service & Replacement Details for the 2016–2020 Kia Optima

Regular tire rotations help keep your tires road-ready by improving fuel economy, reducing uneven wear, and enhancing overall handling and safety.

Watch for warning signs that may indicate a need for tire replacement, such as visible damage like cracking or bulges, shaking or vibration while driving, and tread depth that's worn down to (or below) 2/32 inches. At Firestone Complete Auto Care, we can inspect your tires as part of our free courtesy check.

Check the information placard on the driver's door jamb, or consult the experts at Firestone Complete Auto Care to determine the correct tire size for your car.

Popular Tire Sizes for Fourth-Generation Kia Optima

The tires required for your Optima may differ depending on the trim level and installed options. Below are typical sizes used during this generation:

Battery Specifications for the 2016–2020 Kia Optima

A dependable 12-volt battery helps your 2016–2020 Kia Optima start consistently and keeps key electrical features like headlights, cabin controls, and your infotainment system running properly. In many cases, car batteries last 3 to 5 years, but harsh temperatures and frequent short drives can cause them to wear out sooner. If you notice slow cranking, fading lights, or a battery warning light on the dash, it may be a sign your Optima's battery is due for testing or replacement.

2016–2020 Kia Optima Battery Specs

Some common battery specifications for the fourth-generation Kia Optima include:

Verify the specifications on your existing battery label or come into Firestone Complete Auto Care to maintain your vehicle's reliability with a free battery test and quality replacement if needed.

2016–2020 Kia Optima Battery Coupons

More Information

Example Maintenance Schedule for 2016–2020 Kia Optima

Every 3,750 Miles

  • Replace engine oil and oil filter
  • Inspect oil level and quality
  • Inspect tire pressure
  • Inspect lights

Every 7,500 Miles

  • Add fuel additive
  • Rotate tires
  • Inspect air cleaner filter
  • Inspect vacuum hoses
  • Inspect battery condition
  • Inspect brake lines, hoses, and connections

Every 7,500 Miles (continued)

  • Inspect brake discs and pads
  • Inspect steering gear rack, linkage, and boots
  • Inspect suspension ball joints and mounting bolts
  • Inspect air conditioner compressor and refrigerant
  • Inspect exhaust system
  • Replace climate control air filter

Every 15,000 Miles

  • All 7,500-mile tasks
  • Inspect drive shaft and boots
  • Inspect vapor hoses and fuel filler cap
  • Inspect fuel tank air filter
  • Inspect parking brake
  • Inspect brake fluid

Every 30,000–42,000 Miles

  • All 15,000-mile tasks
  • Replace air cleaner filter at 30,000 miles
  • Replace spark plugs (Turbo engines) at 42,000 miles
  • Inspect transmission components

Every 60,000 Miles

  • All 30,000-mile tasks
  • Inspect drive belts, then every 15,000 miles after
  • Inspect valve clearance
  • Inspect dual clutch transmission fluid
  • Inspect cooling system
  • Inspect ignition system

Every 97,500–120,000 Miles

  • All 15,000-mile tasks at 97,500 miles
  • Replace spark plugs (2.4L Turbo GDI engine) at 97,500 miles
  • Replace engine coolant at 120,000 miles, then every 30,000 miles (2.4L Turbo GDI engine)
  • Inspect emission control components

Service intervals may vary depending on the climate where you live, how you drive, and your engine type. Refer to your owner's manual or ask a Firestone Complete Auto Care specialist for advice tailored to your specific Optima.

2016–2020 Kia Optima Repair & Troubleshooting

Even the best cared-for vehicles run into trouble. Over time, your Optima may experience issues with its engine, A/C system, transmission, or suspension. Routine maintenance can help prevent major repairs, but it's important to address any signs of trouble immediately. Common problems may include brake squealing, a check engine light, problems with the heater, or reduced fuel efficiency.

Schedule Maintenance

If you experience anything out of the ordinary with your Optima, bring it to the professionals at Firestone Complete Auto Care. Our technicians can quickly determine the cause of your problem and offer expert auto repair services that will have your Optima back on the road for your next commute.

Help Your 2016–2020 Kia Optima Stay at Its Best

Staying up to date with regular maintenance is a simple way to keep your 2016–2020 Kia Optima reliable, efficient, and comfortable to drive. At Firestone Complete Auto Care, our technicians can handle everything from quick oil and filter changes to larger scheduled services as your Optima adds miles. If you notice changes in how your vehicle runs — like rough idling, unusual noises, or reduced fuel economy — our team can diagnose the issue early and help prevent more costly repairs down the road. Schedule your routine maintenance appointment today!

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