Investing.com -- General Motors Co. (NYSE: GM) shares have gained premarket on Tuesday after the company reported first-quarter results that exceeded Wall Street expectations.

Adjusted earnings per share came in at $3.70, beating the analyst consensus of $2.61 by $1.09. Revenue reached $43.6 billion, slightly above the $43.38 billion estimate, though down 0.9% YoY from $44.0 billion in the prior-year period.

The automaker raised its full-year 2026 adjusted EBIT guidance to a range of $13.5 billion to $15.5 billion, up from the previous range of $13.0 billion to $15.0 billion. The increase stems from a favorable adjustment of approximately $0.5 billion following a U.S. Supreme Court decision regarding certain tariffs paid under the International Emergency Economic Powers Act.

GM now expects gross tariff costs of $2.5 billion to $3.5 billion in 2026, down from the original estimate of $3.0 billion to $4.0 billion. However, the company's full-year adjusted EPS guidance of $11.50 to $13.50 has a midpoint of $12.50, which sits above the analyst consensus of $12.24.

Shares rose 3.3% following the results. First-quarter adjusted EBIT reached $4.3 billion, up 21.9% from $3.5 billion in the year-ago quarter, with the adjusted EBIT margin expanding to 9.7% from 7.9%. Net income attributable to stockholders was $2.6 billion, down 5.7% YoY.

GM North America posted adjusted EBIT of $3.7 billion with a 10.1% margin, up from $3.3 billion and an 8.8% margin in the prior-year period. China equity income totaled $165 million, compared to $45 million a year earlier.

"The company is raising its full-year 2026 EBIT adjusted guidance due to a favorable adjustment of approximately $0.5 billion resulting from the U.S. Supreme Court decision regarding certain U.S. tariffs," the company stated.

GM's board declared a quarterly dividend of $0.18 per share, payable June 18, 2026.