Peugeot 601 Buying Guide

A Peugeot 601 needs its body style and chassis history authenticated before rarity becomes part of the price. Confirm the offered Peugeot 601 matches its paperwork, then book an inspection that covers its construction and fitted equipment.

I used L’Aventure Peugeot 401 and 601 archive history when preparing this November 7, 2026 guide. Those sources describe the model engineering and historical context, not every surviving chassis. So, the checks below turn that background into questions for a seller and a workshop; they do not assign a failure rate or current market value.

Authenticate the body style before paying a rarity premium

A Peugeot 601 needs its body style and chassis history authenticated before rarity becomes part of the price. L’Aventure Peugeot describes the six-cylinder model introduced in 1934 and the range of body versions, including the Eclipse. Ask whether the body is original to the chassis, a documented period alteration or a later reconstruction. Obtain photographs of identifiers and any archive correspondence before travelling. A seller description of an Eclipse or coachbuilt car should be supported by evidence specific to that chassis rather than a photograph of a museum example.

Treat a folding roof as a separate specialist inspection

An Eclipse roof requires a knowledgeable demonstration and a condition report of its own. The museum history identifies these unusual folding-roof cars, but the existence of restored examples cannot establish the operation or originality of the one for sale. Ask the seller to show the correct sequence and stop if the mechanism strains or catches. Have a specialist inspect mounts, alignment, electrics and evidence of manual alterations. If the car is another body style, use that time to assess its roof structure, weather sealing and body joints instead of applying an Eclipse checklist indiscriminately.

Compare body fittings with the correct production details

Body fittings should be compared with contemporary records for the claimed series. L’Aventure explains the lowered headlights, altered front fittings and revised rear styling associated with the D-series appearance. Photograph the lamps, rear body and spare-wheel arrangement, then ask a marque specialist which details belong together. A mix of parts can reflect a practical repair rather than dishonesty, but the seller should disclose it. Get a written inventory of loose trim and incomplete fittings so that a box of unidentified pieces is not counted as a complete restoration kit.

Put the six-cylinder service plan in writing

The engine and chassis need a workshop prepared to service the actual prewar equipment. Ask for invoices describing internal engine work, cooling-system repairs and the parts used, then arrange a cold start and supervised warm test. Have the inspector assess braking, steering play and structural repairs separately from the quality of the upholstery. The museum identifies a small production run, which supports asking about parts supply rather than making reliability claims. Obtain named supplier responses for required engine and body items before agreeing a deposit, and distinguish a present quotation from an old catalogue listing.

Put the identity and import file beside the inspection

The physical chassis identifier must agree with the sale documents before a report is ordered. Use our VIN identity checks to organise that comparison and our imported-car report guide to understand why foreign history may be thin. Ask for original registration, import and ownership papers as applicable. NMVTIS offers a U.S. title-history route with defined coverage; it does not certify a bespoke build or replace foreign records. A fake PDF can disguise an ownership gap, so verify evidence through the issuing source rather than accepting a seller screenshot.

Agree the specialist work before leaving a deposit

Tell the shop which version and components it will see, then agree lift access, a controlled road test and a written description of limitations. Our pre-purchase inspection checklist helps frame the appointment, while NYC used-car guidance recommends an independent mechanic. Ask the specialist to separate immediate safety work from cosmetic preferences and optional upgrades. Look, a repair estimate is useful only if a supplier will actually provide the required part. Have the shop obtain a response for any known missing item.

Keep the offer conditional on the findings you care about. Put any seller repair promise in the purchase agreement. If the workshop cannot establish structural condition or a route to a needed safety part, defer the deal rather than inventing a discount. The final decision should reflect the documented car and your intended use, not a figure copied from a launch story.

We are a licensed CARFAX and AutoCheck reseller, not affiliated with CARFAX, AutoCheck or Experian. Wholesale reports cost a few dollars; confirm current coverage and the total at checkout. A quiet report can miss unreported repairs. Keep the independent inspection even if the seller sends an impressive PDF.

Sources

• L’Aventure Peugeot 401 and 601 archive history
• U.S. DOJ NMVTIS
• NYC used-car buying guidance