Compare Genuine Parts Company (GPC) vs Amazon.com, Inc. (AMZN) Stock

Amazon.com, Inc. (AMZN) offers the better valuation at 29.3x trailing P/E (27.0x forward), making it the more compelling value choice. Analysts rate Amazon.com, Inc. (AMZN) a "Buy" — based on 94 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Amazon.com, Inc. (AMZN) is the cheapest at 29.3x versus Genuine Parts Company at 253.7x. On forward P/E, Genuine Parts Company is actually cheaper at 15.3x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Amazon.com, Inc. (AMZN) delivered a total return of +33.5%, compared to +27.4% for Genuine Parts Company (GPC). A $10,000 investment in AMZN five years ago would be worth approximately $13K today (assuming dividends reinvested). Over 10 years, the gap is even starker: AMZN returned +660.0% versus GPC's +69.1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Genuine Parts Company (GPC) is the lower-risk stock at 0.62β versus Amazon.com, Inc.'s 1.31β — meaning AMZN is approximately 113% more volatile than GPC relative to the S&P 500. On balance sheet safety, Amazon.com, Inc. (AMZN) carries a lower debt/equity ratio of 37% versus 186% for Genuine Parts Company — giving it more financial flexibility in a downturn.

Amazon.com, Inc. (AMZN) is the more profitable company, earning 10.8% net margin versus 0.3% for Genuine Parts Company — meaning it keeps 10.8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMZN leads at 11.2% versus 5.0% for GPC. At the gross margin level — before operating expenses — AMZN leads at 50.3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Genuine Parts Company (GPC) trades at 15.3x forward P/E versus 27.0x for Amazon.com, Inc. — 11.8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AMZN: 35.2% to $283.97.

In this comparison, GPC (3.4% yield) pays a dividend. AMZN does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Genuine Parts Company (GPC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.62), 3.4% yield). Both have compounded well over 10 years (GPC: +69.1%, AMZN: +660.0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Consumer Cyclical sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. In terms of investment character: GPC is a mid-cap income-oriented stock; AMZN is a mega-cap quality compounder stock. GPC pays a dividend while AMZN does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.