Market Share: General Motors’ market share is calculated by comparing the company’s vehicle sales to the total vehicle sales in the market over a specific period, typically on a quarterly or annual basis.

This calculation can be applied to various contexts, such as a particular country’s market, a region, or the global market. Here is the formula:

GM’s Market Share = {{GM’s Vehicle Sales} / {Total Market Vehicle Sales}} * 100%

This will give you General Motors’ market share as a percentage of the total market. For example, if General Motors sold 2 million vehicles in a year in the U.S., and the total U.S. vehicle sales were 15 million, GM’s market share would be:

GM’s Market Share = {{2,000,000} / {15,000,000}) * 100% = 13.33%

This calculation gives a snapshot of General Motors’ competitive position within the automotive market for the period in question. Market share is a crucial metric for assessing a company’s size, health, and competitiveness within its industry.

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What drives the market share decline in GM’s sedan cars in the U.S.?

The decline in GM’s sedan market share in the U.S. is driven by several factors:

Shifting Consumer Preferences: Over the past decade, U.S. consumers have increasingly favored SUVs, crossovers, and trucks due to their spaciousness, versatility, and perceived value. Sedans, once a staple of the automotive market, have become less appealing to buyers seeking practicality and utility.
Profitability and Strategic Focus: GM has prioritized vehicle segments with higher profit margins, such as trucks and SUVs. Sedans, which are less profitable, have seen reduced investment and marketing efforts, further contributing to their decline.

Impact of Electric Vehicles (EVs): GM’s focus on EV development has shifted resources away from traditional sedans. The company is investing heavily in electrifying its lineup, which includes SUVs and trucks, aligning with broader industry trends.
Market Trends: The overall sedan segment in the U.S. has been shrinking, with many automakers scaling back sedan production or discontinuing models altogether. GM’s sedan lineup has also been affected by this industry-wide shift.

These factors collectively highlight GM’s strategic adaptation to evolving consumer demands and market dynamics.

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Insight & Summary of General Motors’ Market Share in the U.S.

The following analysis consolidates the trends observed across GM’s market share in the U.S. for trucks, cars and SUVs for the 2014–2025 period.

GM’s total U.S. market share has remained remarkably stable over the eleven-year period, ranging narrowly between 14.4% and 17.4% with no sustained directional trend in either direction. The 2021 trough of 14.4% stands as the clear outlier — likely reflecting the impact of semiconductor supply constraints that disproportionately affected GM’s higher-margin truck and SUV production — before a recovery to 16.0–17.2% in subsequent years.
By 2025, total U.S. market share of 17.2% has returned to the upper end of the historical range, confirming that the post-2021 recovery has been both durable and complete. The stability of GM’s overall share across a period of significant industry disruption — including the EV transition, supply chain volatility, and shifting consumer preferences — speaks to the enduring competitive relevance of its core product portfolio.
The truck segment is GM’s most dominant and strengthening competitive position, with market share expanding from 23.4% in 2014 to 33.0% in 2025 — a nearly 10 percentage point gain over eleven years. The trajectory has been consistently upward, with only minor year-to-year fluctuations, and the 2025 figure represents the highest truck market share in the period.
GM’s truck dominance is the single most important driver of its overall U.S. competitive standing, and the continued share gains in this category — against persistent competition from Ford and Ram — underscore the strength of the Silverado and Sierra franchises and the loyalty embedded in GM’s truck customer base. At 33% market share, GM commands approximately one-in-three truck sales in the U.S., a position of considerable pricing power and profitability leverage.
The SUV or crossover segment tells a more nuanced story. GM’s SUV market share has declined from 16.7% in 2014 to a trough of 10.7% in 2021, before partially recovering to 13.7% in 2025 — still meaningfully below the starting point and suggesting a competitive position that has not fully recovered despite the rebound.
The 2021 decline to 10.7% was particularly sharp and coincided with the broader supply constraint environment, but the fact that share remained below 14% through 2024 — even as truck share reached new highs — points to structural competitive pressure in the SUV segment from both domestic and international rivals. The partial recovery from 2021 onward is encouraging but the gap to 2014–2015 levels remains open, making SUV share recovery a key metric to monitor as GM expands its SUV lineup and EV crossover offerings.
The sedan segment has been in structural and near-terminal decline throughout the period, with market share collapsing from 14.1% in 2014 to just 2.1% in 2025 — a 12 percentage point erosion that reflects both GM’s deliberate strategic exit from passenger cars and the broader industry-wide shift away from sedans toward SUVs and trucks.
GM’s decision to discontinue most of its sedan nameplates — including Chevrolet Cruze, Impala, and Volt — is clearly visible in this data, and the residual 2.1% share in 2025 likely reflects only the Chevrolet Malibu’s final production run and limited remaining fleet sales. The sedan decline is strategically intentional rather than competitively driven, and its near-complete disappearance from GM’s mix has been an accretive decision for profitability — passenger cars generate substantially lower margins than trucks and SUVs, and their exit has freed capital and manufacturing capacity for higher-return segments.

The table below combines all General Motors’ U.S. market share metrics into a single view for the latest three fiscal years.

GM U.S. Market Share Consolidated Averages (FY2023–2025)

Metric	Average (2023-2025)
Total U.S. Market Share	16.6%
Truck Market Share	31.9%
SUV Market Share	12.9%
Car (Sedan) Market Share	5.1%

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GM’s Total U.S. Market Share and Market Share of Truck, SUV, and Sedan

* GM’s fiscal year begins on Jan 1 and ends on Dec 31.

The calculation of GM’s market share is available here: market share.

Average GM Market Share by Segment (%) (FY2023–2025)

Metric	Average (2023-2025)
Total U.S.	16.6%
Truck	31.9%
SUV	12.9%
Car	5.1%

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References and Credits

1. All sales figures presented were obtained and referenced from General Motors’ quarterly and annual statements published on the company’s investor relations page: GM Investor Relations.

2. Flickr Images.

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Disclosure

We may use artificial intelligence (AI) tools to assist us in writing some of the text in this article. However, the data is directly obtained from original sources and meticulously cross-checked by our editors multiple times to ensure its accuracy and reliability.

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