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Missouri · Article Updated May 24, 2026

Commercial Vehicles Under Missouri Lemon Law

Commercial-vehicle coverage under Missouri § 407.560 — 10,000 lbs GVWR cap, commercial-use exclusion, and Magnuson-Moss alternative.

Commercial-use vehicles face limited coverage under Missouri’s Lemon Law (§ 407.560). The statute excludes vehicles above 10,000 lbs GVWR and vehicles purchased for commercial-only use.

§ 407.560 exclusions

Section 407.560(7) excludes:

  • Vehicles above 10,000 lbs GVWR.
  • Vehicles purchased for commercial use (not personal/family/household).
  • Motor homes above 10,000 lbs (except chassis).

Common exclusion lines

  • Ford F-450, F-550, F-650/750 — typically above 10,000 lbs GVWR.
  • Ram 4500, 5500 — above 10K.
  • GM Silverado 4500HD, 5500HD, 6500HD — above 10K.
  • Class C / Class A motor home chassis — above 10K.
  • Cargo vans (Sprinter, ProMaster, Transit 350 HD) — varies.

Mixed-use vehicles

For vehicles used both personally and commercially:

  • Personal predominant use — § 407.560 may apply.
  • Commercial predominant use — § 407.560 excluded.

Alternative remedies for excluded vehicles

For commercial-use or >10K GVWR vehicles:

  • Magnuson-Moss Warranty Act — applies regardless of GVWR.
  • UCC § 400.2-313 / § 400.2-314 — express + implied warranties.
  • MMPA § 407.010 et seq. — applies to commercial transactions (with some limitations).

MMPA in commercial cases

MMPA generally applies to commercial transactions where the deceptive practice has consumer impact — but post-SB 591 narrowing affects “consumer” definition.

Missouri commercial-vehicle market

  • Kansas City logistics hub — Class I rail interchange.
  • St. Louis FedEx / UPS hubs.
  • Anheuser-Busch HQ — substantial fleet.
  • I-70 corridor — major freight corridor.

Bottom line

Commercial vehicles above 10K GVWR are typically excluded from § 407.560. Magnuson-Moss + UCC + MMPA remain available.

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