Infiniti Q50 maintenance by mileage
How often owners do it
Engine oil and filterevery 6,500 mi
Engine air filterevery 7,000 mi
Cabin air filterevery 8,500 mi
Front brake padsevery 19,000 mi
Fuel filterevery 20,000 mi
Rear brake pads or shoesevery 21,000 mi
When the bigger jobs come up
Batteryaround 73,000 mi
Water pumparound 88,000 mi
Fuel injectorsaround 86,000 mi
Coolant (antifreeze)around 88,000 mi
Differential / gear oilaround 69,000 mi
Brake rotors (replace or resurface)around 91,000 mi
All 30 jobs, by mileage
| Job | Usually at | Most between | Again every | Visits |
|---|---|---|---|---|
| Tires | 66,000 mi | 48,000–98,000 mi | – | 83 |
| Differential / gear oil | 69,000 mi | 50,000–88,000 mi | – | 230 |
| Tire rotation | 70,000 mi | 59,000–91,000 mi | – | 37 |
| Brake fluid | 72,000 mi | 55,000–94,000 mi | 27,000 mi | 508 |
| Cabin air filter | 73,000 mi | 52,000–97,000 mi | 8,500 mi | 839 |
| Transmission fluid | 73,000 mi | 56,000–96,000 mi | 27,000 mi | 619 |
| Spark plugs | 73,000 mi | 63,000–88,000 mi | – | 105 |
| Battery | 73,000 mi | 56,000–101,000 mi | – | 315 |
| DPF cleaning (diesel) | 73,000 mi | 61,000–94,000 mi | – | 89 |
| Engine air filter | 75,000 mi | 54,000–98,000 mi | 7,000 mi | 1,802 |
| Engine oil and filter | 77,000 mi | 56,000–101,000 mi | 6,500 mi | 3,876 |
| Wheel alignment | 79,000 mi | 52,000–105,000 mi | – | 182 |
| Shocks / struts | 79,000 mi | 57,000–102,000 mi | – | 95 |
| Rear brake pads or shoes | 80,000 mi | 60,000–103,000 mi | 21,000 mi | 775 |
| Front brake pads | 81,000 mi | 62,000–105,000 mi | 19,000 mi | 441 |
| Fuel filter | 81,000 mi | 63,000–103,000 mi | 20,000 mi | 396 |
| Power steering fluid | 83,000 mi | 65,000–106,000 mi | – | 46 |
| EGR valve | 83,000 mi | 72,000–106,000 mi | – | 33 |
| Wiper blades | 84,000 mi | 64,000–107,000 mi | – | 77 |
| A/C refrigerant recharge | 86,000 mi | 68,000–107,000 mi | – | 97 |
| Engine and transmission mounts | 86,000 mi | 69,000–105,000 mi | – | 120 |
| Fuel injectors | 86,000 mi | 68,000–103,000 mi | – | 309 |
| Coolant (antifreeze) | 88,000 mi | 70,000–110,000 mi | – | 280 |
| Water pump | 88,000 mi | 71,000–111,000 mi | – | 312 |
| Brake rotors (replace or resurface) | 91,000 mi | 70,000–113,000 mi | – | 229 |
| Control arms, links and bushings | 92,000 mi | 74,000–116,000 mi | – | 178 |
| Throttle body cleaning | 94,000 mi | 76,000–105,000 mi | – | 76 |
| Wheel bearing | 95,000 mi | 80,000–122,000 mi | – | 187 |
| Thermostat | 95,000 mi | 77,000–116,000 mi | – | 72 |
| Alternator | 128,000 mi | 114,000–165,000 mi | – | 44 |
From 6,227 visits to independent repair shops in South Korea, 2020–2026 (model years mostly 2014–2016). Mileage converted from km and rounded; Korean-market cars can differ from US ones. Your owner’s manual comes first.