Original Research
What NHTSA Complaint Data Shows About Five 2024 Luxury SUVs
An analysis of public NHTSA complaint, recall, investigation, and manufacturer-communication records for five MY2024 luxury SUVs.
Source: National Highway Traffic Safety Administration, Office of Defects Investigation public data
Important limitations
NHTSA consumer complaints are reports submitted by vehicle owners and other reporters. They are not findings by NHTSA that a defect exists. Complaint volume can be influenced by vehicle population, time on the road, reporting behavior, recall publicity, and other factors. Recall campaigns identify defined safety defects or regulatory noncompliance affecting specified vehicle populations, not every vehicle sharing a model name. An investigation does not by itself establish a defect. Manufacturer communications are service and technical communications, not defect counts. This analysis therefore should not be interpreted as a vehicle reliability ranking, defect rate, or prediction that an individual vehicle qualifies under California lemon law.
Executive Summary
This pilot study examines public NHTSA records for five MY2024 luxury SUVs: BMW X5, BMW X7, Land Rover Defender, Full-Size Range Rover, and Range Rover Sport. The data snapshot was accessed on August 27, 2026. This report presents descriptive findings regarding complaint volume and composition; it does not rank the vehicles, nor does it establish verified defect rates. Consumer complaints are self-reported observations, not confirmed mechanical failures.
The Data at a Glance
| Vehicle (MY2024) | Complaint Reports | Recall Campaigns | Investigations | Mfr. Communications |
|---|---|---|---|---|
| BMW X5 | 143 | 8 | 0 | 155 |
| BMW X7 | 62 | 7 | 0 | 161 |
| Full-Size Range Rover | 10 | 8 | 0 | 389 |
| Range Rover Sport | 15 | 6 | 0 | 408 |
| Land Rover Defender | 24 | 6 | 1 | 228 |
Raw Complaint Counts Are Not Failure Rates
The BMW X5 has 143 complaint reports in the pilot dataset, while the Full-Size Range Rover has 10. These raw counts cannot be used to declare one vehicle "more reliable" or "less reliable" than another. The counts are not directly comparable as defect rates because they do not control for:
- Number of vehicles sold and actually in service
- Reporting behavior variations among different ownership groups
- The publicity surrounding a widely announced recall
- Exposure (mileage and time on the road)
- Other reporting effects
Until a defensible, comparable production denominator is integrated, calculating a "failure rate," "defect rate," or "lemon probability" from these raw numbers is statistically invalid.
The separate guide to interpreting NHTSA record types explains why a complaint report, recall campaign, investigation, and manufacturer communication must retain its own evidentiary limits.
Complaint Component Mix
The charts below show the percentage of each vehicle's component mentions. One underlying complaint report can contain multiple component tags (e.g., a report tagging both Brakes and Electrical). These percentages describe the composition of the complaints received, not the percentage of vehicles that experienced a failure.
BMW X5
The MY2024 BMW X5 has 143 unique reports in this dataset. Among the NHTSA component tags attached to these complaints, brake and driver-assistance categories dominate the composition, accounting for approximately 71.5% of component mentions combined. This describes the nature of the reports received; it does not mean 71.5% of BMW X5s experience brake or ADAS failures.
Component Mentions (% of total tags)
Read the California BMW X5 Lemon Law Guide →
BMW X7
The MY2024 BMW X7 generated 62 reports. Similar to the X5, the complaint-tag concentration is heavily weighted toward two systems. Brake and driver-assistance categories together account for approximately 82.3% of component mentions in the X7 dataset.
Component Mentions (% of total tags)
Read the California BMW X7 Lemon Law Guide →
Land Rover Defender
With 24 reports, the MY2024 Land Rover Defender shows a more distributed complaint mix compared to the BMW models. Electrical-system tags make up the largest individual category at 36.1% of component mentions, followed by steering, engine, and driver-assistance mentions. It is the only vehicle in this pilot with one NHTSA investigation, which indicates an agency inquiry, not a verified defect.
Component Mentions (% of total tags)
Read the California Land Rover Defender Lemon Law Guide →
Full-Size Range Rover
The Full-Size Range Rover’s limited sample of 10 reports is evenly distributed among several categories. Brakes, Powertrain, and Engine each account for 18.8% of the component mentions in this small dataset.
Component Mentions (% of total tags)
Read the California Range Rover Lemon Law Guide →
Range Rover Sport
The Range Rover Sport (15 reports) sees electrical systems as its largest category (22.7%), with a wide tail of single-mention categories spanning steering, visibility, and interior components.
Component Mentions (% of total tags)
Read the California Range Rover Sport Lemon Law Guide →
Recalls, Investigations & Manufacturer Communications
The raw count of safety recall campaigns should not automatically be interpreted as the number of distinct mechanical defect families. One underlying issue can result in multiple related or superseding campaign numbers (e.g., BMW's integrated-brake-system issue has been addressed through multiple campaign actions over time). Furthermore, some NHTSA complaint records primarily involve notification of an open recall, an unavailable recall remedy, or repair delays rather than a newly experienced vehicle failure.
Manufacturer communications submitted to NHTSA include technical service bulletins, diagnostic instructions, software-related information, and warranty information. The number of communications is a measure of the volume of publicly available service documentation associated with the model year; it is NOT a count of defects, recalls, or affected vehicles.
An NHTSA investigation means the agency is examining whether a safety-related defect may exist. It does not itself establish that a defect exists.
What This Means for a California Lemon-Law Evaluation
Public model-level data cannot determine whether an individual vehicle qualifies under California lemon law. Individual evaluation depends on the consumer's vehicle, warranty, repair history, reported conditions, repair opportunities, downtime, and applicable law. Do not assume that high complaint volume guarantees a lemon-law buyback, or that low complaint volume prevents one.
Methodology
Learn how we select models, structure our data, and why we intentionally excluded certain brands from this initial pilot.
Read Methodology →