2021 Mitsubishi Outlander maintenance schedule
The 2021 Outlander is part of the GF/GG generation (2014-2021), sold as an SUV. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.
Service schedule
What the 2021 Outlander needs, and when
Manufacturer rows link to Mitsubishi's own schedule, Independent rows to a service shop or parts retailer's published guide.
| Service | Interval | Source |
|---|---|---|
| Engine oil and filter Severe schedule: 3,750 miles / 3 months | 7,500 mi / 6 months | Independent |
| Engine air filter | 15,000 mi / 1 year | Independent |
| Cabin air filter Inspect at 7,500 miles / 6 months | 15,000 mi / 1 year | Independent |
| Tire rotation Every 3,750 miles for severe duty | 7,500 mi / 6 months | Independent |
| Brake fluid Change fluid | 30,000 mi / 2 years | Independent |
| Engine coolant Extended-life interval at 85 months / 168k km | 85 months | Independent |
| Transmission fluid Check levels and condition; replace per usage | Inspect, replace as needed | Independent |
| Spark plugs Standard plugs at 30k; Iridium at 105 months | 30,000 mi / 105 months | Independent |
| Timing belt (6B31) Replace timing belt (V6 6B31 only); 4-cyl use chains | 60,000 mi | Independent |
| Serpentine belt Check engine drive belts for wear | 30,000 mi | Independent |
| Differential and transfer case fluid Check condition and levels | 30,000 mi / 40 months | Independent |
| 12V battery Test and clean terminals | 15,000 mi / 1 year | Independent |
Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.
Fluids and engines
What goes in it
- Engine oil
- 0W-20 / 5W-30
- Transmission fluid
- DiaQueen CVTF-J4 (CVT) / ATF-J3 (6AT)
Powertrains in this generation
- 2.0L 4-cyl (4J11), 152 hp, CVT, FWD/AWD
- 2.4L 4-cyl (4J12), 165 hp, CVT, FWD/AWD
- 3.0L 6-cyl (6B31), 6AT, AWD
Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.
Known problems
What 2021 Outlander owners run into
Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.
Safety recalls
No NHTSA recalls matched the 2021 Mitsubishi Outlander
From NHTSA's recall database, matched by model and year. Recall repairs are free at Mitsubishi dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.
Running costs
What maintenance typically costs
- A typical year of maintenance
- $519
Typical US independent-shop estimates for this generation; they vary by region and condition.
Other Outlander model years
Shopping new? The Mitsubishi Outlander guide covers the current model, with what it costs to keep for 1 to 15 years.
Sources
- repairpal.com (Independent)
- timshortmitsubishi.com (Independent)
Researched 2026-09-22. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.
Running an Outlander for income?
Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2021 Outlander earns before you buy it.
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