VW ID.3 battery wear better than expected in 100,000 km ADAC test

The Volkswagen ID.3 saw better than expected battery lifespan in an endurance test run by the ADAC. (Image source: Volkswagen)

The ADAC has shared the initial results of its battery lifespan test on the VW ID.3. The experiment measured the battery’s health after 100,000 km (~62,137 miles), which has taken around two and a half years to complete. So far, the ADAC has observed lower wear than suggested by Volkswagen, though it plans to continue its testing.

The ADAC has published the results of a battery endurance test of the VW ID.3. The Allgemeiner Deutscher Automobil-Club (ADAC) is Europe’s largest automobile association, providing roadside assistance to members. A pre-facelift version of the ID.3 with a 77 kWh battery was chosen for the test, with the EV charged to 100% each time.

The ADAC notes that the power pack has a gross capacity of 82 kWh, with this buffer aiming to increase battery longevity. The study monitored the deterioration of the ID. 3’s battery over 100,000 km (~62,137 miles), taking two and a half years. After this time, the BMS showed the battery had a 93% state of health (SoH), a 1% reduction for every 14,286 km (~8,877 miles). This is far greater than Volkswagen’s 74% estimate for the same mileage, which equates to 1% lost every 3,846 km (~2,390 miles).

For comparison, Tesla estimates that an average battery in one of its EVs loses 12% capacity after 322,000 km (~200,000 miles); that’s around 1% per 26,816 km (~16,667 miles). The ADAC is continuing the test until 160,000 km (~99,419 miles) are reached and the manufacturer’s warranty expires. It is worth bearing in mind that this test was run on just one car, meaning caution should be taken when drawing conclusions. 

The VW ID.3 used in the ADAC’s testing. (Image source: ADAC)

Polly Allcock – Tech Writer – 1765 articles published on Notebookcheck since 2021

I’ve been interested in technology for as long as I can remember. From a young age, I have loved gadgets and understanding how things work. Since graduating, I have worked for several technology companies across FinTech, AdTech and Robotics.

Polly Allcock, 2023-11- 1 (Update: 2023-11- 1)

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