{"id":49664,"date":"2026-05-05T18:52:52","date_gmt":"2026-05-05T16:52:52","guid":{"rendered":"https:\/\/www.italpassion.fr\/?p=49664"},"modified":"2026-05-05T15:21:08","modified_gmt":"2026-05-05T13:21:08","slug":"we-didnt-care-about-rust-on-italian-cars-today-its-the-chinese-mg-and-byd-that-suffer-from-it","status":"publish","type":"post","link":"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/","title":{"rendered":"We used to make fun of rust on Italian cars... now it's the Chinese MG and BYD that suffer."},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille.jpg\" alt=\"\" class=\"wp-image-49715\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>For a long time, rust was a stubborn clich\u00e9 attached to Italian cars. Alfa Romeo, Fiat and Lancia were often singled out in past decades for their susceptibility to corrosion. But in 2026, the landscape has changed... and it's now certain Chinese cars that are starting to be talked about for the same reasons.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MG: first signals from Europe<\/h2>\n\n\n\n<p>In recent months, a number of testimonials from European users of MG models have emerged. The cases concern in particular MG ZS EV, MG4 and MG5 models, with recurring observations in certain sensitive areas: underframes, welds, rocker panels and structural components.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/mg-rouille.jpg\" alt=\"\" class=\"wp-image-49709\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/mg-rouille.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/mg-rouille-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/mg-rouille-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/mg-rouille-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">2019 MG with 37,000 km. Reddit photo<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-MG-ZS.jpg\" alt=\"\" class=\"wp-image-49710\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-MG-ZS.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-MG-ZS-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-MG-ZS-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-MG-ZS-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">MG EZ. Speakev forum photo<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-mges5.jpg\" alt=\"\" class=\"wp-image-49711\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-mges5.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-mges5-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-mges5-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/photo-mges5-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">MGS5. Photo forum speakev<\/figcaption><\/figure>\n\n\n\n<p>This phenomenon is particularly noticeable in countries such as the UK and Germany, where humidity and the use of salt on winter roads naturally accelerate the onset of corrosion. In these conditions, some owners even recommend applying additional anti-corrosion protection after purchase. One important point is worth emphasizing: MG's 7-year anti-corrosion warranty essentially covers body perforation, not surface rust. A nuance that can make all the difference for owners faced with these problems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">BYD: isolated but high-profile cases<\/h2>\n\n\n\n<p>BYD, for its part, has not been totally spared. The Atto 3 model recently hit the headlines in Australia and New Zealand after photos were published showing rust spots on relatively new vehicles.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3.jpg\" alt=\"\" class=\"wp-image-49712\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">BYD ATTO 3. Photo Clean Technica<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/byd-atto-3-rust.jpg\" alt=\"\" class=\"wp-image-49713\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/byd-atto-3-rust.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/byd-atto-3-rust-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/byd-atto-3-rust-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/byd-atto-3-rust-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">BYD ATTO 3. Photo Clean Technica<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-1.jpg\" alt=\"\" class=\"wp-image-49714\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-1.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-1-420x315.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-1-768x576.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/BYD-ATTO-3-1-16x12.jpg 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">BYD ATTO 3. Photo The Electric Viking<\/figcaption><\/figure>\n\n\n\n<p>In one case, a New Zealand owner had to have a large part of his vehicle repainted, an operation estimated to cost several thousand euros... entirely paid for by the manufacturer. A survey of end-users suggests that the problem may be due to insufficient preparation of the metal before repainting on some of the first batches. Other hypotheses have been put forward: stone chips, scratches, the marine environment or operating conditions. However, several testimonials also point to the opposite, with two- to three-year-old vehicles parked near the sea without the slightest trace of corrosion.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quick response from manufacturers<\/h2>\n\n\n\n<p>Faced with these reports, BYD was quick to respond. The automaker claims that its vehicles meet the highest international standards, and are based on advanced protection techniques such as electro-galvanizing, in which a thin layer of zinc is applied to protect the metal.<\/p>\n\n\n\n<p>In the cases reported, the brand took charge of repairs under warranty, even mobilizing its local teams to follow up the cases. This responsiveness shows just how crucial customer satisfaction is for a manufacturer in full global expansion.<\/p>\n\n\n\n<p>What makes this situation particularly interesting is its symbolic aspect. While Italian manufacturers have greatly improved their manufacturing quality and corrosion resistance over the decades, it is now some of the new players on the world market who have to prove themselves in these fundamental respects.<\/p>\n\n\n\n<p>However, this does not mean that all Chinese cars are affected. Cases remain relatively rare at this stage, and the generally positive feedback from BYD model owners confirms this. But in an ultra-competitive market, where brand image is also determined by durability, these episodes can quickly gain momentum.<\/p>\n\n\n\n<p>The meteoric rise of Chinese manufacturers is largely due to their attractive prices. But this rapid rise to prominence can sometimes reveal teething problems, particularly in critical areas such as corrosion protection.<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":49715,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[653],"tags":[],"class_list":["post-49664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrie-automobile","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>On se moquait de la rouille sur les voitures italiennes\u2026 aujourd&#039;hui ce sont les chinoises MG et BYD qui en souffrent - ItalPassion<\/title>\n<meta name=\"description\" content=\"Pendant longtemps, la rouille a \u00e9t\u00e9 un clich\u00e9 tenace coll\u00e9 aux voitures italiennes. 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Alfa Romeo, Fiat ou encore Lancia ont souvent \u00e9t\u00e9 point\u00e9es du doigt\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.italpassion.fr\/en\/automotive-industry\/we-didnt-care-about-rust-on-italian-cars-today-its-the-chinese-mg-and-byd-that-suffer-from-it\/\" \/>\n<meta property=\"og:site_name\" content=\"ItalPassion\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/italpassion\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-05T16:52:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alexandre Filluzeau\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@italpassion\" \/>\n<meta name=\"twitter:site\" content=\"@italpassion\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/\"},\"author\":{\"name\":\"Alexandre Filluzeau\",\"@id\":\"https:\/\/www.italpassion.fr\/en\/#\/schema\/person\/36f747b2a759ca202d847e85a9434ca0\"},\"headline\":\"On se moquait de la rouille sur les voitures italiennes\u2026 aujourd&rsquo;hui ce sont les chinoises MG et BYD qui en souffrent\",\"datePublished\":\"2026-05-05T16:52:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/\"},\"wordCount\":706,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille.jpg\",\"articleSection\":[\"Industrie automobile\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/\",\"url\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/\",\"name\":\"On se moquait de la rouille sur les voitures italiennes\u2026 aujourd'hui ce sont les chinoises MG et BYD qui en souffrent - ItalPassion\",\"isPartOf\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.italpassion.fr\/en\/industrie-automobile\/on-se-moquait-de-la-rouille-sur-les-voitures-italiennes-aujourdhui-ce-sont-les-chinoises-mg-et-byd-qui-en-souffrent\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2026\/05\/rouille.jpg\",\"datePublished\":\"2026-05-05T16:52:52+00:00\",\"description\":\"Pendant longtemps, la rouille a \u00e9t\u00e9 un clich\u00e9 tenace coll\u00e9 aux voitures italiennes. 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