Estimated maintenance schedule for the 2018 Jeep Grand Cherokee
GarageHub's estimates for the 2018 Grand Cherokee, not the manufacturer's maintenance schedule.
GarageHub estimates the 2018 Jeep Grand Cherokee oil change interval at every 10,000 mi or 12 months, whichever comes first (estimated cost $40–$75); this is not the manufacturer's figure, so check your owner's manual.
Service intervals
GarageHub estimates for the 2018 Jeep Grand Cherokee, not taken from the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.
| Service | Every | Est. Cost | Status |
|---|---|---|---|
| Engine Oil & FilterSafety item | 10,000 mi / 12 mo≈ 16,000 km / 12 mo | $40–$75 | |
| Tire RotationSafety item | 10,000 mi≈ 16,000 km | $25–$50 | |
| Engine Air Filter | 30,000 mi≈ 48,000 km | $30–$60 | |
| Cabin Air Filter | 15,000 mi≈ 24,000 km | $25–$50 | |
| Brake FluidSafety item | 24 mo | $100–$150 | |
| Brake Pads & Rotor InspectionSafety item | 20,000 mi≈ 32,000 km | $150–$300 (pads only); $300–$600 (pads + rotors) | |
| Coolant | 102,000 mi≈ 164,000 km | $120–$200 | |
| Transmission Fluid (8-Speed Automatic)Safety item | 60,000 mi≈ 97,000 km | $150–$250 | |
| Spark Plugs | 100,000 mi≈ 161,000 km | $100–$200 | |
| Differential Fluid (AWD/4WD) | 50,000 mi≈ 80,000 km | $80–$150 | |
| Transfer Case Fluid (4WD models) | 60,000 mi≈ 97,000 km | $100–$180 | |
| BatterySafety item | 60 mo | $150–$250 | |
| Serpentine Belt | 120,000 mi≈ 193,000 km | $150–$300 |
≈ converted from the other unit and rounded.
Est. costs are US-typical, in USD.
- 0 Due now
- 0 Within 5,000 mi
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Ask Rev about my Grand Cherokee
GarageHub · Free · Your AI MechanicOpenWhat happens if you skip it
- Skipping transmission fluid changes leads to shuddering, delayed shifts, and eventual transmission failure (common at 100,000+ miles on neglected units).
- Ignoring brake fluid flushes causes moisture accumulation, reducing braking effectiveness and increasing the risk of brake failure on downhill grades.
- Neglecting differential fluid changes on AWD/4WD models causes premature wear of gears and bearings, resulting in whining noises and loss of traction.
- Delaying spark plug replacement on the Pentastar V6 causes rough idle, misfires, and reduced fuel economy due to carbon buildup.
- Skipping coolant flushes on the Pentastar allows corrosion inside the engine block, leading to overheating and potential head gasket failure.
- Ignoring brake pad wear accelerates rotor damage, turning a $200 pad replacement into a $600+ rotor and pad job.
Common issues at higher mileage
- 80,000–120,000 mi
- 8-speed automatic transmission shuddering and delayed shifts; caused by worn transmission fluid and internal wear; requires fluid change or transmission rebuild ($2,000–$4,000).
- 100,000+ mi
- Pentastar V6 coolant leaks from the water pump or heater core; corrosion and age weaken seals; repair costs $300–$800.
- 90,000–130,000 mi
- Brake rotor warping and pad glazing due to heavy weight and frequent braking; causes pulsation and reduced stopping power; requires rotor replacement.
- 110,000+ mi
- Door seal degradation allows water intrusion into door panels and window regulators; causes electrical shorts and window motor failure; prevention is key (seal inspection every 50,000 miles).
- 120,000+ mi
- Serpentine belt fraying and cracking; failure can leave you stranded; replace proactively at 120,000 miles to avoid alternator and water pump damage.
Common questions about the 2018 Jeep Grand Cherokee
How often does a 2018 Jeep Grand Cherokee need an oil change?
GarageHub estimates the 2018 Jeep Grand Cherokee oil change interval at every 10,000 mi or 12 months, whichever comes first (estimated cost $40–$75); this is not the manufacturer's figure, so check your owner's manual.
What maintenance does a 2018 Jeep Grand Cherokee need?
GarageHub's estimate of the services not to skip on a 2018 Jeep Grand Cherokee: engine oil & filter every 10,000 mi / 12 mo; tire rotation every 10,000 mi; brake fluid every 24 mo; brake pads & rotor inspection every 20,000 mi; transmission fluid (8-speed automatic) every 60,000 mi. These intervals are estimates, not the manufacturer's maintenance schedule. Check your owner's manual for the exact figures.
What goes wrong on a Jeep Grand Cherokee at higher mileage?
What owners report as the miles add up — 80,000–120,000 mi: 8-speed automatic transmission shuddering and delayed shifts; caused by worn transmission fluid and internal wear; requires fluid change or transmission rebuild ($2,000–$4,000). 100,000+ mi: Pentastar V6 coolant leaks from the water pump or heater core; corrosion and age weaken seals; repair costs $300–$800. 90,000–130,000 mi: Brake rotor warping and pad glazing due to heavy weight and frequent braking; causes pulsation and reduced stopping power; requires rotor replacement. 110,000+ mi: Door seal degradation allows water intrusion into door panels and window regulators; causes electrical shorts and window motor failure; prevention is key (seal inspection every 50,000 miles). 120,000+ mi: Serpentine belt fraying and cracking; failure can leave you stranded; replace proactively at 120,000 miles to avoid alternator and water pump damage.
Keep this schedule for your Grand Cherokee
Log what you've done, get reminded what's next. Rev knows the intervals for your Grand Cherokee.