Research
2021 Kia Niro HybridRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 1 owner complaint for the 2021 Kia Niro Hybrid. Most complaints involve power train (1). NHTSA gives it 4 stars overall.
Combined MPG
—
No EPA rating found
NHTSA overall
4of 5 stars
NCAP crash tests
Safety recalls
0campaigns
NHTSA
Owner complaints
1
Top: power train
Fuel cost / yr
—
No EPA estimate
Safety recalls
NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2021 Kia Niro Hybrid as of Oct 28, 2026.
Data from NHTSA Recalls API · synced Oct 28, 2026NHTSA vehicle page
Owner complaints by component
1 complaints filed with NHTSA · Oct 2023 – Oct 2023
- Power train1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
What owners report most
Verbatim excerpts from NHTSA complaints, by component
Power train
1 report
“The contact owns a 2021 Kia Niro. The contact received notification of NHTSA Campaign Number: 23V534000 (Power Train); however, the part to do the repair was not yet available. No further information was provided. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026
NHTSA 5-Star Safety Ratings
1 tested variant
Overall rating
4/ 5
4 of 5Kia Niro Hybrid SUV FWD
- Frontal crash
- 4 of 5
- Side crash
- 5 of 5
- Side pole
- 5 of 5
- Rollover
- 4 of 5
- Rollover risk
- 12.1%
Data from NHTSA NCAP Safety Ratings API · synced Oct 28, 2026Vehicle 15642
Maintenance basics
General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
2021 Niro Hybrid questions
How many recalls does the 2021 Kia Niro Hybrid have?
0 recalls found in NHTSA data as of Oct 28, 2026.
What are the most common 2021 Kia Niro Hybrid problems?
Owners filed 1 complaints with NHTSA. The most-cited components are power train (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
How safe is the 2021 Kia Niro Hybrid?
NHTSA's New Car Assessment Program gives the 2021 Kia Niro Hybrid 4 out of 5 stars overall.
Data from NHTSA & EPA · synced Oct 28, 2026