Exhibit 99.1 CarGurus Announces Second Quarter 2025 Results & Shares Plans to Wind Down CarOffer Transactions Business Sustained strong momentum in the Marketplace business, with revenue up 14% YoY Q2'25 Net Income of $22.3 million; Non-GAAP Adjusted EBITDA of$77.3 million, up 39% YoY Board approves additional $150 million share repurchase, increasing 2025 authorization to$350 million and extending it through July 2026 1 Second Quarter Financial Highlights Below are our second quarter financial highlights ...