Plug-In Hybrid Car Efficiency Compared For U.S. – July, 2020

No plug-in hybrid can match the efficiency of the Toyota Prius Prime.

Here we have an all-new comparison of plug-in hybrid models, currently available in the U.S. (see the full list), with a focus on energy efficiency.

For the comparison, we will use the combined EPA result in all-electric mode (MPGe and calculated Wh/mile equivalent), as well as the combined result in hybrid mode (MPG), used once the battery is depleted.

Some of the PHEVs are quite efficient, while many of the high-performance or big luxury models are clearly electron guzzlers.

Plug-In Hybrid Car Efficiency Compared For U.S. – July, 2020

The top models in our rank are:

The least efficient models need about 600-850 Wh/mile (373-528 Wh/km) in EV mode, which makes them really difficult to electrify and achieve a high all-electric range. They simply need a relatively big battery.

The energy efficiency drops significantly, by 2-3 times, once the battery is depleted. This makes it very important to select aPHEV model which fulfills all the needs and stays in EV mode on a daily basis (aside from long-distance travel and emergency backup).

One might wonder, how the good-old Chevrolet Volt compares to the current top three, so let’s see:

The Volt was also quite efficient, with top range, in general pretty close to Honda, although significantly smaller.

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