“Despite the complexities of two motors working in harmony, they are mechanically simpler than conventional petrol or diesel cars, which is good news for motorists as it reduces the likelihood of problems.
“While our research shows electric cars and plug-in hybrids are still less dependable than other fuel types, we expect to see their reliability improve as these markets establish themselves.
“Thanks to more challenging CO2 regulations, we’re seeing more choice and in the future, we will have a lot more models to report on.”
Which? Says the choice of hybrid models is “expanding rapidly” with a range of manufacturers dipping their toes into the technology.