Kia Lotze (Optima) maintenance by mileage
How often owners do it
Engine oil and filterevery 4,500 mi
Engine air filterevery 4,500 mi
Cabin air filterevery 6,500 mi
A/C refrigerant rechargeevery 7,000 mi
Wiper bladesevery 10,000 mi
Tire rotationevery 11,000 mi
When the bigger jobs come up
Batteryaround 108,000 mi
Control arms, links and bushingsaround 121,000 mi
Tiresaround 117,000 mi
Alternatoraround 130,000 mi
Brake calipersaround 128,000 mi
Ignition coilsaround 125,000 mi
All 35 jobs, by mileage
| Job | Usually at | Most between | Again every | Visits |
|---|---|---|---|---|
| Timing belt or chain | 103,000 mi | 75,000–146,000 mi | – | 98 |
| Drive (serpentine) belt | 103,000 mi | 80,000–133,000 mi | – | 399 |
| Power steering fluid | 104,000 mi | 76,000–135,000 mi | – | 593 |
| Transmission fluid | 106,000 mi | 78,000–138,000 mi | 22,000 mi | 2,360 |
| Brake fluid | 107,000 mi | 80,000–138,000 mi | 15,000 mi | 3,415 |
| Cabin air filter | 108,000 mi | 81,000–140,000 mi | 6,500 mi | 9,175 |
| Battery | 108,000 mi | 80,000–138,000 mi | – | 3,097 |
| Tire rotation | 111,000 mi | 85,000–143,000 mi | 11,000 mi | 803 |
| Wiper blades | 111,000 mi | 84,000–143,000 mi | 10,000 mi | 1,210 |
| Wheel bearing | 111,000 mi | 89,000–141,000 mi | – | 503 |
| Water pump | 111,000 mi | 83,000–145,000 mi | – | 607 |
| Engine oil and filter | 113,000 mi | 86,000–145,000 mi | 4,500 mi | 39,550 |
| Engine air filter | 113,000 mi | 85,000–144,000 mi | 4,500 mi | 10,394 |
| Coolant (antifreeze) | 114,000 mi | 87,000–145,000 mi | 13,000 mi | 3,810 |
| Throttle body cleaning | 114,000 mi | 89,000–142,000 mi | – | 701 |
| Front brake pads | 115,000 mi | 86,000–147,000 mi | 23,000 mi | 4,320 |
| Rear brake pads or shoes | 115,000 mi | 87,000–148,000 mi | 19,000 mi | 3,742 |
| Wheel alignment | 115,000 mi | 87,000–150,000 mi | 17,000 mi | 1,607 |
| A/C refrigerant recharge | 117,000 mi | 89,000–149,000 mi | 7,000 mi | 4,381 |
| Brake rotors (replace or resurface) | 117,000 mi | 88,000–153,000 mi | – | 1,072 |
| Tires | 117,000 mi | 86,000–146,000 mi | – | 1,525 |
| Spark plugs | 119,000 mi | 88,000–151,000 mi | 25,000 mi | 1,979 |
| Fuel filter | 119,000 mi | 93,000–152,000 mi | – | 591 |
| Control arms, links and bushings | 121,000 mi | 95,000–151,000 mi | – | 2,137 |
| Shocks / struts | 122,000 mi | 96,000–154,000 mi | – | 1,126 |
| Fuel injectors | 123,000 mi | 90,000–151,000 mi | – | 147 |
| Ignition coils | 125,000 mi | 96,000–153,000 mi | – | 1,133 |
| Brake calipers | 128,000 mi | 100,000–165,000 mi | – | 1,138 |
| Engine and transmission mounts | 129,000 mi | 105,000–165,000 mi | – | 195 |
| Alternator | 130,000 mi | 99,000–162,000 mi | – | 1,442 |
| Starter motor | 130,000 mi | 102,000–158,000 mi | – | 310 |
| Thermostat | 131,000 mi | 102,000–168,000 mi | – | 187 |
| DPF cleaning (diesel) | 132,000 mi | 113,000–144,000 mi | – | 31 |
| CV axle or boot | 133,000 mi | 102,000–168,000 mi | – | 520 |
| Radiator | 134,000 mi | 107,000–163,000 mi | – | 657 |
From 61,445 visits to independent repair shops in South Korea, 2020–2026 (model years mostly 2006–2010). Mileage converted from km and rounded; Korean-market cars can differ from US ones. Your owner’s manual comes first.