A four-year-old ID.3 hatch lost just 8 miles of range in a German study, despite heavy use
July 19, 2025 at 08:29
- A VW electric vehicle has defied the ageing process in a driving range study.
- Testers found the EV had lost only 9 percent of its capacity and 8 range miles.
- Software updates during the four-year test period helped offset degradation.
For many drivers curious about switching to electric vehicles, battery longevity remains one of the most common sticking points. Despite new EVs all coming with long battery warranties, concerns about range degradation still put some potential buyers off. A recent long-term study involving a Volkswagen EV, however, suggests those fears may be less grounded than expected.
More: EV Batteries May Last Up To 40% Longer Than Expected
In test carried out by the ADAC, Germany’s equivalent to America’s AAA and the UK’s AA, a VW ID.3’s electric range had hardly changed after four years and 107,000 miles (172,000 km). The Golf-sized hatchback lost just eight miles (13 km) of range over the course of the experiment.
Real-World Battery Health After 100K+ Miles
At the outset of the test the ID.3 Pro S Tour’s 77 kWh battery delivered 272 miles (438 km) of real-world range against a claimed 326 WLTP miles (525 km). Four years laterm it was still capable of travelling 264 true miles (425 km) before needing to stop at a charging station.
And it’s not like the ADAC team treated it with kid gloves. Against automaker advice, which suggests never charging to 100 percent unless necessary so as to help prolong the battery’s lifespan, the drivers almost always charged it to full, and often left the car parked with the battery fully charged, another supposed no-no.
Independent battery checks carried out through the course of the test showed that the battery was at 96 percent after 13,500 miles (21,800 km) when the first measurement was taken, had dropped to 94 percent at 52,400 miles (84,300 km), and was still holding on to 91 percent of its capacity at 105,500 miles (169,700 km). VW’s warranty only kicks in if the battery health falls below 70 percent.
A Software Update With Real Benefits
And best of all, the EV’s efficiency actually improved over that time. At the outset it was returning 3.11 mi/kWh (20 kWh per 100 km), but by the end of the test it could achieve 3.4 mi/kWh (18.3 kWh per 100 km). The secret behind those gains was a software update the ID.3 received, which helped makes the reduction in range far less severe than it would have been otherwise for the same amount of battery degradation.
“The result shows the impressive quality of our ID. models even after covering many kilometres,” said Martin Sander, Member of the Volkswagen Board of Management for Sales, Marketing, and After Sales. “A high battery capacity of over 90 per cent after 172,000 kilometres confirms that our ID. models are also very attractive as used cars and continue to meet the requirements of our customers.”
Another big win related to charging speed. Before the update ADAC’s ID.3 charged at 125 kW, but after it was inhaling 160 kW, cutting two minutes from the 10-80 percent charge time. The message is clear: don’t put off EV software updates the way you do phone ones, and don’t stress over buying a used VW EV.
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