What are the most common Kia Niro problems?

According to Au7o's analysis of 456+ owner reports, the 2025 Kia Niro has 1 documented issue. The documented issue is: 12V Auxiliary Battery Premature Failure. None are rated critical, but regular maintenance is recommended.

Is the Kia Niro reliable?

The 2025 Kia Niro has 1 known issue documented across 456+ owner reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Kia Niro problems?

Repair costs for known Kia Niro issues range from $150 to $300, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2017-2025 Kia Niro 12V Auxiliary Battery Premature Failure?

The Niro (all variants: Hybrid, PHEV, EV) experiences premature 12V auxiliary battery failure, typically after 2-3 years or 30,000-50,000 miles. The complex electronics in hybrid/PHEV/EV vehicles place higher demands on the 12V battery due to frequent charging/discharging cycles… Repairs typically run $150-$300. Severity: medium.

Kia · Known Issues

2025 Kia Niro Problems: 1 Issue Every Owner Should Know

2025 model year · 456+ owner reports · Updated June 2026

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According to Au7o's analysis of 456+ owner reports, the 2025 Kia Niro has 1 documented issue. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is 12V Auxiliary Battery Premature Failure with 456 owner reports. Across all issues with published estimates, repair costs range from $150 to $300. DIY maintenance guides at au7o.io.

2025 Kia Niro Problems: 1 Issue Every Owner Should Know

All 1 Known Issue

2017-2025 Kia Niro: 12V Auxiliary Battery Premature Failure#

Common Symptoms

How to Fix

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Frequently Asked Questions

What are the most common Kia Niro problems?

Is the Kia Niro reliable?

How much does it cost to fix common Kia Niro problems?

What is the 2017-2025 Kia Niro 12V Auxiliary Battery Premature Failure?