CarParts.com (PRTS) vs Westport Fuel Systems (WPRT)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
CarParts.com (PRTS) has outperformed Westport Fuel Systems (WPRT) over the past year, gaining 22.7% versus a loss of 15.8%. Over five years, PRTS leads with a -94.1% price change compared with -94.5% for WPRT. CarParts.com is the larger company by market cap ($69.6 million vs $35.3 million), about 2.0 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | PRTS | WPRT |
|---|---|---|
| Share price | $8.59 | $1.86 |
| Market cap | $69.57M | $35.33M |
| 1-day change | -1.21% | +2.20% |
| YTD return | +71.80% | +18.47% |
| 1-year return | +22.71% | -15.84% |
| 5-year return | -94.15% | -94.50% |
| EPS (TTM) | $-4.40 | $-2.08 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $10.98 | $2.55 |
| 52-week low | $3.70 | $1.54 |
| Distance from 52-week high | -21.77% | -27.06% |
| Analyst consensus | none | none |
| Avg. price target upside | +26.31% | +96.77% |
| Average volume | 46.37K | 61.68K |
| Shares outstanding | 8.10M | 19.00M |
| Employees | 1,186 | 112 |
| Sector | Consumer Cyclical | Consumer Cyclical |
| Industry | Auto Parts | Auto Parts |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- PRTS has outperformed WPRT by 38.6 percentage points over the past year.
About CarParts.com
PRTS stock →CarParts.com, Inc., together with its subsidiaries, operates as an online retailer of aftermarket auto parts and accessories in the United States and the Philippines. The company offers replacement parts, such as body panels, lighting components, cooling parts, and mirrors; hard parts comprising engine, chassis, drivetrain, suspension, braking, electrical, and other mechanical components necessary for vehicle operation; and other parts and accessories, such as suspension kits, towing equipment, lift kits, and other products under the Carparts.com, Kool-Vue, JC Whitney, Evan Fischer, SureStop, TrueDrive, DriveWire, and DriveMotive brands.
Consumer Cyclical · Auto Parts · 1,186 employees
About Westport Fuel Systems
WPRT stock →Westport Fuel Systems Inc. engages in the engineering, manufacturing, and supplying alternative fuel systems and components for use in transportation applications in North America, Europe, and Asia Pacific.
Consumer Cyclical · Auto Parts · 112 employees
PRTS vs WPRT FAQ
Which is bigger, CarParts.com or Westport Fuel Systems?
CarParts.com (PRTS) is larger, with a market capitalization of $69.57M compared with $35.33M for Westport Fuel Systems (WPRT).
Which stock has performed better over the past year, PRTS or WPRT?
PRTS returned +22.71% over the past 12 months, compared with -15.84% for WPRT (price return, excluding dividends). Past performance does not predict future results.
Are CarParts.com and Westport Fuel Systems in the same industry?
Yes. Both are classified in the Auto Parts industry within the Consumer Cyclical sector.