Comparison

BMW X4 vs KIA NIRO EV

Side-by-side comparison of the BMW X4 and KIA NIRO EV drawn from the NHTSA consumer-complaint database, defect investigations, recall history, and NCAP crash-test ratings.

According to the National Highway Traffic Safety Administration (NHTSA), more than 2,000,000 consumer complaints have been filed against U.S. vehicles (2,054,142 as of August 2026). This is a head-to-head safety comparison between the BMW X4 (2015–2024) and the KIA NIRO EV (2019–2024), drawn from that federal complaint and recall record; see our methodology for how the figures are compiled.

The BMW X4 (2015–2024, 10 model years) carries 124 NHTSA consumer complaints and 28 safety recalls, while the KIA NIRO EV (2019–2024, 6 model years) carries 125 complaints and 6 recalls. Severity indicators for the pair split as follows: 17 vs 14 crashes, 7 vs 0 fires, and 0 vs 0 reported fatalities.

Raw complaint counts favor whichever nameplate has fewer vehicles on the road, so the cleaner lens is components: which specific part families concentrate each model's filings? For the BMW X4, the leading complaint category is electrical system (25 filings), followed by service brakes and unknown or other. For the KIA NIRO EV, it is unknown or other (28), ahead of electrical system and power train. When the two vehicles cluster around the same component, the problem is likely a shared supplier or a shared federal standard under stress; when they diverge, each nameplate has its own defect signature independent of the other.

Average NCAP crash-test scores are not uniformly available for both nameplates in this dataset, which typically means one or both pre-date the 2011 rating methodology refresh. Use the side-by-side table below as your scorecard, but do not treat it as a verdict. Recall counts tell you how many defects the manufacturer has already been compelled to remedy; complaint counts tell you what owners are still flagging today; and safety ratings tell you how the vehicle performs in standardized barrier tests, three different lenses on the same underlying question. The "also compare" links at the bottom of this page let you triangulate against neighboring nameplates in each model's competitive set.

BMW X4 vs KIA NIRO EV - NHTSA complaint, recall, and safety rating comparison
BMW X4 Metric KIA NIRO EV
N/A Avg Safety Rating N/A
124 Total Complaints 125
28 Total Recalls 6
17 Crashes Reported 14
7 Fires Reported 0
4 Injuries Reported 12
0 Deaths Reported 0
10 years Years on Market 6 years

Top Complaint Categories

ELECTRICAL SYSTEM
25
27
SERVICE BRAKES
14
10
UNKNOWN OR OTHER
13
28
ENGINE
12
0
ENGINE AND ENGINE COOLING
11
0
POWER TRAIN
0
14
VEHICLE SPEED CONTROL
0
6
BMW X4 KIA NIRO EV

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Frequently Asked Questions

Which is safer, BMW X4 or KIA NIRO EV?
BMW X4 has 124 total NHTSA complaints with 17 crashes, while KIA NIRO EV has 125 complaints with 14 crashes. Review individual model years for specific safety ratings.
How many recalls does BMW X4 have compared to KIA NIRO EV?
BMW X4 has 28 recalls across 10 model years, while KIA NIRO EV has 6 recalls across 6 model years.
What are the most common problems with BMW X4?
The most commonly reported issues for BMW X4 are: ELECTRICAL SYSTEM (25 complaints), SERVICE BRAKES (14 complaints), UNKNOWN OR OTHER (13 complaints), ENGINE (12 complaints), ENGINE AND ENGINE COOLING (11 complaints).
What are the most common problems with KIA NIRO EV?
The most commonly reported issues for KIA NIRO EV are: UNKNOWN OR OTHER (28 complaints), ELECTRICAL SYSTEM (27 complaints), POWER TRAIN (14 complaints), SERVICE BRAKES (10 complaints), VEHICLE SPEED CONTROL (6 complaints).

Source: National Highway Traffic Safety Administration (NHTSA) complaints and recalls data