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Motorcar Parts of America vs Stoneridge: MPAA and SRI compared

Motorcar Parts of America is the larger company: $168M of revenue in its latest quarter (Q1 FY27) against $156M for Stoneridge (Q3 2026). Stoneridge is growing faster (+12% against -11% a year earlier). Motorcar Parts of America is more profitable, with an operating margin of 2.1% against -15.3%.

Motorcar Parts of America vs Stoneridge, latest quarterMotorcar Parts of America vs Stoneridge, latest quarterMotorcar Parts of America (MPAA)Stoneridge (SRI)Revenue$168M$156MRevenue growth, Y/Y-11%+12%Operating margin2.1%-15.3%Net margin-8.0%-14.7%

Where the money goes: MPAA and SRI

Motorcar Parts of America (MPAA) · Q1 FY27

Motorcar Parts of America, Q1 FY27: revenue $168M (-11% year over year), operating margin 2.1%, net loss $13.4M, operating cash flow −$11.3M. The chart follows the revenue to costs, profit and cash.

Stoneridge (SRI) · Q3 2026

Stoneridge, Q3 2026: revenue $156M (+12% year over year), operating margin -15.3%, net loss $22.9M, operating cash flow $4.2M. The chart follows the revenue to costs, profit and cash.

Motorcar Parts of America (MPAA)Stoneridge (SRI)
Latest quarterQ1 FY27Q3 2026
Revenue$168M$156M
Revenue growth, Y/Y-11%+12%
Operating margin2.1%-15.3%
Net earnings−$13.4M−$22.9M
Net margin-8.0%-14.7%
Operating cash flow−$11.3M$4.2M
Market value—$142M

Questions

Which is bigger, Motorcar Parts of America or Stoneridge?

Motorcar Parts of America is the larger company: $168M of revenue in its latest quarter (Q1 FY27) against $156M for Stoneridge (Q3 2026).

Is Motorcar Parts of America or Stoneridge growing faster?

Stoneridge is growing faster (+12% against -11% a year earlier).

Which is more profitable, Motorcar Parts of America or Stoneridge?

Motorcar Parts of America is more profitable, with an operating margin of 2.1% against -15.3%.

More: Motorcar Parts of America earnings · how Motorcar Parts of America makes money · Stoneridge earnings · how Stoneridge makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Aug 10, 2026; 10-Q filed Nov 4, 2026). Fiscal quarters can end on different dates. Not investment advice.