{"id":194869,"date":"2026-09-30T11:43:14","date_gmt":"2026-09-30T09:43:14","guid":{"rendered":"https:\/\/newmobility.news\/?p=194869"},"modified":"2026-09-30T12:03:52","modified_gmt":"2026-09-30T10:03:52","slug":"study-high-mileage-electric-cars-refuse-to-wear-out-obliterating-used-car-fears","status":"publish","type":"post","link":"https:\/\/newmobility.news\/fr\/2026\/09\/30\/study-high-mileage-electric-cars-refuse-to-wear-out-obliterating-used-car-fears\/","title":{"rendered":"\u00c9tude : les voitures \u00e9lectriques \u00e0 fort kilom\u00e9trage ne s'usent pas, dissipant ainsi les craintes li\u00e9es \u00e0 l'achat d'une voiture d'occasion"},"content":{"rendered":"

Une \u00e9tude portant sur des millions de v\u00e9hicules britanniques a r\u00e9v\u00e9l\u00e9 que les voitures \u00e9lectriques deviennent plus fiables que les voitures \u00e0 essence pr\u00e9cis\u00e9ment l\u00e0 o\u00f9, selon les id\u00e9es re\u00e7ues sur le march\u00e9 de l'occasion, elles seraient les plus risqu\u00e9es : lorsqu'elles affichent un kilom\u00e9trage \u00e9lev\u00e9.<\/p>\n

C'est New AutoMotive, un organisme de recherche ind\u00e9pendant britannique sp\u00e9cialis\u00e9 dans les transports, qui a r\u00e9alis\u00e9 cette \u00e9tude. L'entreprise a analys\u00e9 un vaste ensemble de contr\u00f4les techniques (MOT en anglais) effectu\u00e9s en Grande-Bretagne entre juillet 2024 et le m\u00eame mois de 2026. Il en r\u00e9sulte une impressionnante base de donn\u00e9es comprenant au moins 863 millions d'enregistrements concernant 141,4 millions de v\u00e9hicules.<\/p>\n

Pire au d\u00e9but<\/h4>\n

Au vu des chiffres bruts, cette \u00e9tude semble donner des arguments aux sceptiques. Les voitures 100 % \u00e9lectriques ont \u00e9chou\u00e9 \u00e0 13,5% des tests, contre 21,4% pour les voitures \u00e0 essence et 24,1% pour les voitures diesel. Cette comparaison doit toutefois \u00eatre replac\u00e9e dans le contexte de la composition du parc automobile : la voiture \u00e0 essence moyenne se pr\u00e9sentant au contr\u00f4le technique est beaucoup plus ancienne, avec 10,4 ans, tandis que la voiture \u00e9lectrique moyenne n'a que 4,6 ans.\u00a0<\/span><\/p>\n

Si l'on se base uniquement sur l'\u00e2ge, la situation semble s'aggraver pour les voitures \u00e9lectriques. Entre trois et douze ans, les voitures \u00e0 batterie tombent en panne 1,6 \u00e0 2,3 points de pourcentage plus souvent que les voitures \u00e0 essence. C'est d'ailleurs ce tableau qui circule depuis des ann\u00e9es pour illustrer le manque de fiabilit\u00e9 des v\u00e9hicules \u00e9lectriques.<\/p>\n

Cependant, ces chiffres refl\u00e8tent en r\u00e9alit\u00e9 l'intensit\u00e9 d'utilisation de ces v\u00e9hicules. Lors de leur premier contr\u00f4le technique, \u00e0 l'\u00e2ge de trois ans, les voitures \u00e9lectriques avaient parcouru en moyenne 43 600 kilom\u00e8tres, soit un tiers de plus que les 32 990 kilom\u00e8tres enregistr\u00e9s par les voitures \u00e0 essence comparables.<\/p>\n

Ce kilom\u00e9trage plus \u00e9lev\u00e9 s'explique par le fait que la plupart des premiers v\u00e9hicules \u00e9lectriques \u00e9taient utilis\u00e9s comme voitures de fonction, v\u00e9hicules en leasing et taxis priv\u00e9s.\u00a0<\/span><\/p>\n

Une image diff\u00e9rente<\/h4>\n

Mais lorsque les chercheurs ont pris en compte \u00e0 la fois l'\u00e2ge et le kilom\u00e9trage, une image diff\u00e9rente s'est dessin\u00e9e.<\/p>\n

\u00c0 faible kilom\u00e9trage, entre 20 000 et 40 000 miles (32 187 \u00e0 64 374 km), les groupes motopropulseurs ne pr\u00e9sentent statistiquement aucune diff\u00e9rence : 12,01 TP3T de v\u00e9hicules \u00e9lectriques sont tomb\u00e9s en panne contre 11,71 TP3T de voitures \u00e0 essence. Mais au-del\u00e0 de ce seuil, la situation commence \u00e0 changer.\u00a0<\/span><\/p>\n

Parmi les voitures \u00e2g\u00e9es de trois \u00e0 huit ans, les v\u00e9hicules \u00e9lectriques ayant parcouru entre 90 000 et 120 000 miles (144 841 \u00e0 193 121 km) ont affich\u00e9 un taux de d\u00e9faillance de 16,51 TP3T, contre 22,11 TP3T pour les v\u00e9hicules \u00e0 essence et 21,21 TP3T pour les v\u00e9hicules diesel. Il est int\u00e9ressant de noter que les chiffres ne varient pas beaucoup d'un type de carburant \u00e0 l'autre, alors que les v\u00e9hicules diesel sont r\u00e9put\u00e9s pour n\u00e9cessiter un entretien plus co\u00fbteux.<\/p>\n

Les composants du syst\u00e8me de contr\u00f4le des \u00e9missions commencent \u00e0 pr\u00e9senter des d\u00e9faillances<\/h4>\n

Au-del\u00e0 de 193 000 km (120 000 miles), l'\u00e9cart se creuse pour atteindre 16,0 contre 23,51 TP3T. Ainsi, les taux de pannes des v\u00e9hicules \u00e9lectriques cessent d'augmenter, tandis que ceux des v\u00e9hicules \u00e0 essence et diesel continuent de s'aggraver \u00e0 mesure que les moteurs, les syst\u00e8mes d'\u00e9chappement et les dispositifs de contr\u00f4le des \u00e9missions s'usent. Cette derni\u00e8re cat\u00e9gorie de pannes est celle qui conna\u00eet la croissance la plus rapide sur les anciennes voitures \u00e0 moteur thermique, et cette technologie n'existe tout simplement pas sur les v\u00e9hicules \u00e9lectriques.<\/p>\n

Une remarque importante : les v\u00e9hicules hybrides surpassent les deux cat\u00e9gories, n'enregistrant que 13,61 TP3T dans la tranche de 90 000 \u00e0 120 000 miles. La cha\u00eene cin\u00e9matique la plus r\u00e9sistante sur la voie publique n'est actuellement ni enti\u00e8rement \u00e9lectrique, ni enti\u00e8rement \u00e0 combustion.<\/p>\n

Au sein de la famille<\/h4>\n

Afin d'\u00e9liminer les effets li\u00e9s \u00e0 la marque, les chercheurs ont \u00e9galement compar\u00e9 neuf gammes de mod\u00e8les commercialis\u00e9es avec ces deux types de motorisation. Les versions \u00e9lectriques ont remport\u00e9 cinq comparaisons, ont fait match nul dans trois cas et en ont perdu une. Cette derni\u00e8re concernait la VW e-Golf, p\u00e9nalis\u00e9e par l'usure des pneus sur un ch\u00e2ssis qui n'avait pas \u00e9t\u00e9 con\u00e7u pour supporter 300 kilos de batteries.<\/p>\n

La Hyundai Kona constitue l'exemple le plus parlant : 36 000 v\u00e9hicules \u00e9lectriques et 35 000 v\u00e9hicules \u00e0 essence, statistiquement indiscernables en dessous de 40 000 miles (64 374 km). Au-del\u00e0 de 80 000 miles, la Kona essence pr\u00e9sente un taux de d\u00e9faillance de 17,81 TP3T, contre 13,01 TP3T pour la Kona \u00e9lectrique. Les fourgons \u00e9lectriques surpassent \u00e9galement les mod\u00e8les diesel : apr\u00e8s plus de 90 000 miles (144 841 kilom\u00e8tres) d\u2019utilisation professionnelle, le Nissan e-NV200 a \u00e9chou\u00e9 \u00e0 29,21 TP3T de tests, contre 33,41 TP3T pour le NV200 diesel.<\/p>\n

Les prises<\/h4>\n

Cependant, cet avantage en termes de durabilit\u00e9 s'accompagne de quelques inconv\u00e9nients. Les v\u00e9hicules \u00e9lectriques g\u00e9n\u00e8rent environ 1,8 fois plus de probl\u00e8mes de pneus que les voitures \u00e0 essence. Il est int\u00e9ressant de noter que cela d\u00e9pend presque enti\u00e8rement de la conception technique : les mod\u00e8les d\u00e9riv\u00e9s de v\u00e9hicules \u00e0 combustion, tels que l\u2019e-NV200 et l\u2019e-Golf mentionn\u00e9e plus haut, pr\u00e9sentent une usure des pneus plusieurs fois sup\u00e9rieure \u00e0 celle des v\u00e9hicules \u00e9lectriques con\u00e7us d\u00e8s le d\u00e9part pour cette technologie, comme la BMW i3 ou la Kia Niro.<\/p>\n

Les freins pr\u00e9sentent un v\u00e9ritable paradoxe. Le freinage r\u00e9g\u00e9n\u00e9ratif m\u00e9nage consid\u00e9rablement les composants de friction : on recense 2,2 d\u00e9fauts de freinage pour 100 tests (au-del\u00e0 de 90 000 miles), contre 6,5 pour les v\u00e9hicules \u00e0 essence. Mais les disques qui ne sont jamais sollicit\u00e9s \u00e0 fond se corrodent : au bout de dix ans, les taux de d\u00e9faillance des freins des v\u00e9hicules \u00e9lectriques d\u00e9passent ceux des voitures \u00e0 essence. Le rapport conseille aux conducteurs de v\u00e9hicules \u00e9lectriques d'utiliser de temps en temps les freins \u00e0 friction.<\/p>\n

Une autre id\u00e9e re\u00e7ue \u2018 r\u00e9pandue \u2019 est que le poids de la batterie endommage les suspensions. Or, l'\u00e9tude r\u00e9fute cette affirmation : quelle que soit la tranche de kilom\u00e9trage, les v\u00e9hicules \u00e9lectriques pr\u00e9sentent moins de probl\u00e8mes de suspension que les voitures \u00e0 essence.<\/p>\n

Un espoir pour le march\u00e9 de l'occasion<\/h4>\n

Le v\u00e9ritable angle mort r\u00e9side dans l'\u00e9tat de sant\u00e9 (SoH) de la batterie, que l'\u00e9tude n'\u00e9value pas. Cependant, de nombreuses enqu\u00eates ind\u00e9pendantes montrent que la d\u00e9gradation est davantage un probl\u00e8me de perception qu'une r\u00e9alit\u00e9. M\u00eame apr\u00e8s un kilom\u00e9trage important et des recharges rapides fr\u00e9quentes, les batteries r\u00e9sistent bien au-del\u00e0 de la limite l\u00e9gale de 72% en huit ans.<\/p>\n

Pour le march\u00e9 de l'occasion, o\u00f9 les v\u00e9hicules \u00e9lectriques subissent une forte d\u00e9pr\u00e9ciation en raison d'un manque de confiance dans la long\u00e9vit\u00e9 des batteries, ces conclusions rev\u00eatent une importance particuli\u00e8re. Le kilom\u00e9trage est l'un des premiers \u00e9l\u00e9ments que les acheteurs examinent lorsqu'ils ach\u00e8tent une voiture d'occasion, et ces donn\u00e9es montrent qu'un kilom\u00e9trage \u00e9lev\u00e9 est loin d'\u00eatre un inconv\u00e9nient pour un v\u00e9hicule \u00e9lectrique. Du moins sur le plan m\u00e9canique.<\/p>","protected":false},"excerpt":{"rendered":"

A study of millions of British vehicles has found that electric cars become more reliable than petrol cars exactly where used-car folklore says they become riskiest: at high mileage. New AutoMotive, an independent UK transport research organization, carried out the report. The company analyzed a large set of MOT tests – British for technical check-up […]<\/p>\n","protected":false},"author":715,"featured_media":194870,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[77162,16,77169,7,77201,77163,6,4],"tags":[],"class_list":["post-194869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batteries","category-industry","category-market","category-mobility","category-study","category-survey","category-technology","category-top-stories-today"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=2506%2C1673&ssl=1",2506,1673,false],"thumbnail":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=300%2C200&ssl=1",300,200,true],"medium_large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=640%2C427&ssl=1",640,427,true],"large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=640%2C428&ssl=1",640,428,true],"1536x1536":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=1536%2C1025&ssl=1",1536,1025,true],"2048x2048":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=2048%2C1367&ssl=1",2048,1367,true],"trp-custom-language-flag":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=18%2C12&ssl=1",18,12,true],"related-thumb":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=640%2C480&ssl=1",640,480,true],"gform-image-choice-sm":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=300%2C300&ssl=1",300,300,true],"gform-image-choice-md":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=400%2C400&ssl=1",400,400,true],"gform-image-choice-lg":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=600%2C600&ssl=1",600,600,true],"mailchimp":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?fit=560%2C374&ssl=1",560,374,true],"unipress-phone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=640%2C100&ssl=1",640,100,true],"unipress-tablet":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=1536%2C240&ssl=1",1536,240,true],"unipress-tablet-portrait":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=1536%2C180&ssl=1",1536,180,true],"unipress-tablet-landscape":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=2048%2C180&ssl=1",2048,180,true],"unipress-smartphone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=1080%2C168&ssl=1",1080,168,true],"unipress-wide-screen":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/09\/aum_photo_20250818_253343.jpg?resize=2506%2C180&ssl=1",2506,180,true]},"post_excerpt_stackable_v2":"

A study of millions of British vehicles has found that electric cars become more reliable than petrol cars exactly where used-car folklore says they become riskiest: at high mileage. New AutoMotive, an independent UK transport research organization, carried out the report. The company analyzed a large set of MOT tests – British for technical check-up – completed in Great Britain between July 2024 and the same month of 2026. The result is an impressive database of at least 863 million records involving 141.4 million vehicles. Worse at first On the raw numbers, the study looks like ammunition for the skeptics.…<\/p>\n","category_list_v2":"Batteries<\/a>, Industry<\/a>, Market<\/a>, Mobility<\/a>, Study<\/a>, Survey<\/a>, Technology<\/a>, Top Stories Today<\/a>","author_info_v2":{"name":"Piet Andries","url":"https:\/\/newmobility.news\/fr\/author\/piet-andriesgmail-com\/"},"comments_num_v2":"0 comments","yoast_head":"\nStudy: high-mileage electric cars refuse to wear out, obliterating used car fears - newmobility.news<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/newmobility.news\/fr\/2026\/09\/30\/study-high-mileage-electric-cars-refuse-to-wear-out-obliterating-used-car-fears\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study: high-mileage electric cars refuse to wear out, obliterating used car fears - newmobility.news\" \/>\n<meta property=\"og:description\" content=\"A study of millions of British vehicles has found that electric cars become more reliable than petrol cars exactly where used-car folklore says they become riskiest: at high mileage. New AutoMotive, an independent UK transport research organization, carried out the report. 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