MPAA vs PRTS

For growth investors, Motorcar Parts of America, Inc.

(MPAA) is the stronger pick with 5. 5% revenue growth year-over-year, versus -7. 0% for CarParts. com, Inc. (PRTS). Analysts rate Motorcar Parts of America, Inc. (MPAA) a "Buy" — based on 7 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.

Over the past 5 years, Motorcar Parts of America, Inc.

(MPAA) delivered a total return of -51. 7%, compared to -94. 4% for CarParts. com, Inc. (PRTS). Over 10 years, the gap is even starker: MPAA returned -62. 7% versus PRTS's -73. 7%. 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), Motorcar Parts of America, Inc.

(MPAA) is the lower-risk stock at 0. 99β versus CarParts. com, Inc. 's 1. 28β — meaning PRTS is approximately 29% more volatile than MPAA relative to the S&P 500. On balance sheet safety, CarParts. com, Inc. (PRTS) carries a lower debt/equity ratio of 47% versus 78% for Motorcar Parts of America, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Motorcar Parts of America, Inc.

(MPAA) is pulling ahead at 5. 5% versus -7. 0% for CarParts. com, Inc. (PRTS). On earnings-per-share growth, the picture is similar: Motorcar Parts of America, Inc. grew EPS 60. 6% year-over-year, compared to -15. 5% for CarParts. com, Inc.. Over a 3-year CAGR, MPAA leads at 5. 2% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Motorcar Parts of America, Inc.

(MPAA) is the more profitable company, earning -2. 6% net margin versus -9. 2% for CarParts. com, Inc. — meaning it keeps -2. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MPAA leads at 5. 3% versus -8. 9% for PRTS. At the gross margin level — before operating expenses — PRTS leads at 32. 8%, 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.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Motorcar Parts of America, Inc.

(MPAA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 99)). Both have compounded well over 10 years (MPAA: -62. 7%, PRTS: -73. 7%), 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.

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.