The long journey of EVs, from Elektro Bus to Volkswagen ID.4 EV and beyond

March 4, 2021 by Volkswagen

Arriving soon, the all-electric VW ID.4 SUV marks the culmination of nearly five decades of work by Volkswagen exploring how to make electric vehicles accessible worldwide. From early experiments to thought-provoking concepts, each project pushed the boundaries of available technologies. Here's a look back at VW vehicles that paved the way for an EV future.

1972: Elektro-Bus/Elektro-Transporter

In the early 1970s, soaring oil prices and fuel shortages prompted Volkswagen to explore alternative powertrains. An 11-person team developed a battery system that would power Volkswagen's first all-electric concept vehicle – the Elecktro Bus – at the Centre for Future Research in Wolfsburg, Germany.

The 1972 Bus – which had a short production run of about 120 vehicles – was powered by heavy, low-capacity lead-acid batteries. Like most modern EVs, the battery pack was located on the vehicle floor in the center of the chassis, necessary given its size and 1,847-lb. weight. Unlike today, however, its range was a mere 25 miles, and top speed was only 43 miles per hour.

1976: The Electric Golf Mk1

At first glance, the Electric Golf Mk1 concept looked like any other Golf hatchback, but instead of a four-cylinder gas engine, it featured a 27-horsepower electric motor and a four-speed manual gearbox. The car's range was roughly 31 miles. Charging the 16.6-volt lead-acid batteries via a 220-watt connection took about six hours – and the battery pack was so huge it required taking out the Golf's rear seats. Volkswagen engineers would regularly drive the model in normal traffic conditions to collect information that helped improve batteries in future models.

1981: Golf I CitySTROMer

Based on experience with the first electric Golf, Volkswagen worked with a German utility to further develop the concept. A total of around 25 prototype vehicles, known as the Golf CitySTROMer, were built as part of a small-scale production run. The CitySTROMer is considered one of the first electric vehicles suitable for everyday use, with room for four people. Its range was around 37 miles and it could travel about 62 miles a day with time for recharging.

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1985: Golf II CitySTROMer

The Golf II CitySTROMer was the first electric vehicle built by Volkswagen for series production and eventual sale to the public in Germany. While the range of the Golf II CitySTROMer was down slightly to 31 miles from its predecessor, it offered the innovation of gel-electrolyte batteries carrying 11.4 kWh of energy, cutting enough weight to allow a top speed of 62 mph with its 31-hp electric motor. The 70 CitySTROMers built were mainly used for customer service by power utilities.

1988: Jetta CitySTROMer

Many of the early EV prototypes were designed around the limitations of older battery technology. The Jetta CitySTROMer concept was an early experiment with newer technologies, using sodium-sulfur chemistry instead of traditional lead-acid batteries. The pack weighed half as much as prior batteries, giving the Jetta up to 75 miles of range and a top speed of 65 mph – both extraordinary for their time – but the technology proved unsuitable for mass production.

1993: Golf Mark III CitySTROMer

When the Golf Mark III was released, Volkswagen revived the CitySTROMer line once again with the latest available technology. The 16 gel batteries could offer a range of up to 55 miles, but now the vehicle could be recharged to about 80 percent in 1.5 hours on a European power connection. The Mark III CitySTROMer also offered the ability to recuperate energy through braking – a key component of modern EVs. Over three years, 120 of the vehicles were built and sold in Germany.

2011: Volkswagen NILS concept

With the arrival of lithium-ion batteries, automakers considered wildly creative ways to innovate with the new technology. Debuting at the 2011 Frankfurt Auto Show, the NILS concept was one of the most radical Volkswagen vehicles ever shown – a futuristic take on a commuter car based on 'bubble' vehicles from the '50s and single-seat race cars. With a range of about 40 miles from a 5.3-kWh battery pack, the NILS could get to 60 mph in about 11 seconds and took approximately two hours to recharge. It also demonstrated an early version of radar-based braking and cruise control.

2013: e-Golf

The e-Golf was the first Volkswagen model produced in high volume with a purely electric drive and was the first fully electric Volkswagen to go on sale in the United States. The car offered all the benefits of a best-selling compact car, combined with zero tailpipe emissions, an EPA estimated 83 miles of range at launch and a practically silent driving experience. Using quick charging technology (CCS), its 24.2-kWh lithium-ion battery could be charged to 80 percent of its capacity in about 20 minutes. Later models offered an EPA estimated 125 miles of range thanks to more energy-dense batteries.¹

2018: The ID. R Pikes Peak

The ID. R Pikes Peak was Volkswagen's first all-electric race car and made history at the annual Pikes Peak International Hill Climb. Designed from scratch to maximize aerodynamic advantage, the Motorsports model got its power from two electric motors on each axle, with a total of 671 hp and 479 lb.-ft. of torque, variable among all four wheels. The car not only beat the previous electric record, but the overall record as well — by 16 seconds.

2021: Volkswagen ID.4 EV

Volkswagen's first all-electric SUV arrives with an EPA estimated 250 miles of range for the 1st Edition and Pro S, 201 hp, DC fast-charging capacity and a host of features and technology that help make it easier than ever to adopt the EV lifestyle.² And from regenerative braking to an advanced lithium-ion battery in a vehicle with room for five passengers, the ID.4 shows how far EV technology has come over the years.

¹ The 2017 e-Golf EPA estimated total range is 125 miles. Actual mileage and range will vary and depend on several factors including driving and charging habits, accessory use, temperature and topography, battery age, load, and vehicle condition. Battery capacity decreases with time and use. See owner's manual for details.

² The 2021 Volkswagen ID.4 EV estimated total range is 250 miles. Actual mileage and range will vary and depend on several factors including driving and charging habits, accessory use, temperature and topography, battery age, load, and vehicle condition. Battery capacity decreases with time and use. See owner's manual for details.