2021 Hyundai Tucson maintenance schedule
Every service on the 2021 Tucson, with its interval and an estimated cost.
The 2021 Hyundai Tucson oil change interval is every 7,500 mi or 12 months, whichever comes first (estimated cost $40–$75). Severe: every 3,750 mi or 6 months.
Service intervals
From the 2021 Hyundai Tucson schedule.
| Service | Every | Est. Cost | Status |
|---|---|---|---|
| Engine Oil & FilterSafety itemSevere: every 3,750 mi or 6 months. | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | $40–$75 | |
| Tire Rotation | 7,500 mi≈ 12,000 km | $25–$50 | |
| Engine Air FilterSevere: more frequently. | 22,500 mi / 36 mo≈ 36,000 km / 36 mo | $30–$60 | |
| Cabin Air FilterSevere: more frequently. | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | $25–$50 | |
| Spark PlugsSevere: more frequently. | 97,500 mi≈ 157,000 km | $120–$250 | |
| Brake FluidSafety itemInspect every 7,500 mi or 12 months; replace at 48/96/144 months (30,000/60,000/90,000 mi). | 30,000 mi / 48 mo≈ 48,000 km / 48 mo | $100–$180 | |
| Engine CoolantFirst at 120,000 mi or 10 years, then every 30,000 mi or 24 months. | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | $120–$200 | |
| Automatic Transmission FluidNormal: 'No check, No service required'. Severe: replace every 60,000 mi. | As needed | $100–$150 (inspection) | |
| Rear Differential Fluid (inspect)Inspect at 48/96/144 months. Severe: replace every 75,000 mi. | 30,000 mi / 48 mo≈ 48,000 km / 48 mo | — | |
| Transfer Case Fluid (inspect)Inspect at 48/96/144 months. Severe: replace every 75,000 mi. | 30,000 mi / 48 mo≈ 48,000 km / 48 mo | — | |
| Drive Belt InspectionFirst at 60,000 mi or 72 months, then every 15,000 mi or 24 months. Valve clearance: inspect every 60,000 mi or 72 months. | 60,000 mi / 72 mo≈ 97,000 km / 72 mo | — | |
| Brake InspectionSevere: more frequently. | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — | |
| Battery Inspection | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — |
≈ 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 Tucson
GarageHub · Free · Your AI MechanicOpenThe 2021 Hyundai Tucson is a compact crossover with a 10-year/100,000-mile powertrain warranty and straightforward maintenance needs. This schedule covers both naturally aspirated engines and applies to all-wheel and front-wheel drive variants.
What happens if you skip it
- Skipping oil changes beyond 10,000 miles risks accelerated deposit formation and premature engine wear, potentially voiding the powertrain warranty.
- Neglecting brake fluid flushes allows moisture absorption, leading to brake fade, corrosion of brake lines, and costly hydraulic system repairs.
- Ignoring cabin air filter replacement reduces HVAC performance and can cause mold growth in the evaporator, requiring expensive climate-control service.
- Skipping differential fluid checks on AWD models can result in grinding noises, loss of traction, and differential failure requiring $800+ repair.
- Postponing battery replacement after 4–5 years risks sudden failure, leaving you stranded and potentially damaging the vehicle's electrical system.
Common issues at higher mileage
- 40,000–60,000 mi
- On the direct-injected 2.4L GDI, intake-valve carbon buildup can cause rough idle and hesitation; preventive fuel/induction system cleaning is often recommended.
- 50,000–80,000 mi
- Brake pad wear accelerates faster than expected on some units; inspect pads at 30,000 miles to catch early wear patterns.
- 70,000+ mi
- Transmission shudder or delayed engagement reported on some 6-speed automatics; fluid inspection and potential transmission software update may be needed.
- 80,000+ mi
- Strut mount noise and suspension clunking over bumps; worn strut mounts and control arm bushings are common on high-mileage examples.
- 90,000+ mi
- Alternator output degradation and battery drain issues; have alternator output tested if experiencing slow cranking or warning lights.
Common questions about the 2021 Hyundai Tucson
How often does a 2021 Hyundai Tucson need an oil change?
The 2021 Hyundai Tucson oil change interval is every 7,500 mi or 12 months, whichever comes first (estimated cost $40–$75). Severe: every 3,750 mi or 6 months.
What maintenance does a 2021 Hyundai Tucson need?
The services not to skip on a 2021 Hyundai Tucson: engine oil & filter every 7,500 mi / 12 mo; brake fluid every 30,000 mi / 48 mo. The table above lists every service with its interval and an estimated cost.
What goes wrong on a Hyundai Tucson at higher mileage?
What owners report as the miles add up — 40,000–60,000 mi: On the direct-injected 2.4L GDI, intake-valve carbon buildup can cause rough idle and hesitation; preventive fuel/induction system cleaning is often recommended. 50,000–80,000 mi: Brake pad wear accelerates faster than expected on some units; inspect pads at 30,000 miles to catch early wear patterns. 70,000+ mi: Transmission shudder or delayed engagement reported on some 6-speed automatics; fluid inspection and potential transmission software update may be needed. 80,000+ mi: Strut mount noise and suspension clunking over bumps; worn strut mounts and control arm bushings are common on high-mileage examples. 90,000+ mi: Alternator output degradation and battery drain issues; have alternator output tested if experiencing slow cranking or warning lights.
Keep this schedule for your Tucson
Log what you've done, get reminded what's next. Rev knows the intervals for your Tucson.