The different types of hybrid car, explained

TL;DR: What are the different types of hybrid vehicle?

There are three main types of hybrid vehicle available to lease in the UK: Mild hybrids (MHEV), self-charging or full hybrids (FHEV), and plug-in hybrids (PHEV).

Each combines a petrol or diesel engine with an electric motor, but they work in different ways and suit different driving styles.

The right type depends on how and where you drive.

Mild hybrids are the most straightforward – no charging required, and they work just like a conventional car with a quiet efficiency boost in the background. Self-charging hybrids go a step further, running on electric power alone at lower speeds.

Plug-in hybrids give you the longest electric-only range, but you’ll get the most out of one if you can charge regularly at home or at work.

Hybrid vehicles have never been more popular

And with more manufacturers than ever offering electrified versions of their most in-demand models, the choice has never been wider either.

But not all hybrids work in the same way.

The type you choose affects whether you need to charge, how much you save on fuel, and how well the car suits your daily routine. Get it right, and a hybrid lease can reduce your running costs and emissions.

Get it wrong, and you could end up with a car that doesn’t fit the way you drive.

This guide breaks down the three main types of hybrid vehicle – mild, self-charging, and plug-in – so you can find the one that works for you.

JAECOO 7 charging port

Charging a PHEV is easy

The different types of hybrid vehicles

Not all hybrids are created equal.

All three types combine a traditional combustion engine with an electric motor, but the way they use that electric power – and whether they need external charging – varies quite a bit.

Here’s what you need to know about each one.

Mild hybrid (MHEV)

Best for: Motorway and higher-speed driving, or anyone wanting better fuel economy without changing their routine.

A mild hybrid vehicle, or MHEV, is the most straightforward type of hybrid on the market.

It pairs a conventional combustion engine with a small electric motor and battery – but unlike the other hybrid types, the electric motor never drives the wheels on its own.

Instead, it works quietly in the background, giving the petrol engine a boost when it needs it most, like pulling away from a standstill or climbing a hill.

The battery charges itself as you drive through regenerative braking.

This process recovers energy you’d otherwise lose when slowing down and stores it for later use. There’s no plug, no charging cable, and no change to your routine.

The result is a modest but meaningful improvement in fuel efficiency compared to a conventional petrol or diesel equivalent. Manufacturers typically cite figures in the region of 10-15%, though this varies by model and driving style.

From a leasing perspective, MHEVs tend to sit at the lower end of the hybrid price bracket, making them a sensible starting point if you’re curious about hybrid tech.

Is a mild hybrid right for me?

A mild hybrid works best if you cover a lot of motorway or out-of-town miles, where the efficiency gains are most consistent.

It’s also the easiest transition from a conventional car. If you’ve never driven a hybrid before and want the environmental and fuel economy benefits without any additional considerations, a MHEV is a natural first step.

Models with mild hybrid options include:

Volvo XC40

Volvo XC40 PHEV

Self-charging hybrid (FHEV)

Best for: Urban and mixed driving, frequent stop-start journeys

A self-charging, or full, hybrid electric vehicle (FHEV) takes things a step further than a mild hybrid.

It still has a petrol engine at its core, but it can run on electric power alone for short distances, typically at lower speeds around town. When more power is needed, the petrol engine takes over seamlessly, and the two work together when the situation calls for it.

Like a mild hybrid, the battery charges itself through regenerative braking as you drive.

There’s no plug required, and nothing extra to think about. The difference is in what that battery can do. Where a mild hybrid uses electric power purely to assist the engine, a self-charging hybrid can take over entirely, if only briefly.

That makes FHEVs particularly well suited for urban and mixed driving, where frequent slowing and stopping gives the regenerative braking system plenty of opportunity to top the battery up. The more stop-start your journey, the more you’ll benefit.

From a leasing perspective, self-charging hybrids tend to sit in the middle of the hybrid price range.

They’re a strong option for drivers who want genuine electric capability without the commitment of charging it externally.

Is a self-charging hybrid right for me?

If you do a lot of town or city driving and want to reduce your fuel use and emissions without installing a home charger or relying on public charging infrastructure, a self-charging hybrid is worth serious consideration.

It’s also a good fit if your driving is unpredictable.

The fact it manages its own charge means it performs consistently regardless of whether you’ve had a chance to plug in.

Models available with self-charging hybrid options include:

JAECOO 7 PHEV

JAECOO 7 PHEV

Plug-in hybrid (PHEV)

Best for: Regular short commutes where you can charge at home or work

A plug-in hybrid vehicle – or PHEV – is the most capable of the three hybrid types when it comes to electric-only driving.

Like a self-charging hybrid, it combines a petrol engine with an electric motor, but it has a significantly larger battery that can be charged from an external power source.

That larger battery is what sets it apart.

Once fully charged, many PHEVs can cover meaningful distance – often in the region of 30-50 miles, if not more – on electric power alone, before the petrol engine takes over.

Charging can be done through a standard domestic three-pin socket, a dedicated home wall box, or a public charging point. A wall box is the most practical option for regular home charging, as it charges faster than a domestic socket.

But the exact time will vary depending on the car and the charger.

When you set off, the car defaults to electric mode. You can switch between power sources manually if needed, but in most cases the car manages the transition automatically - when the battery runs low or the situation demands more power, the petrol engine takes over without any interruption to the drive.

Regenerative braking continues to top up the battery as you go, recovering some charge on longer runs.

For drivers who can charge at home or work and whose regular journeys fall within the electric range, a PHEV can dramatically reduce fuel costs and tailpipe emissions day to day.

If you’re a company car driver, you’ll also benefit from reduced Benefit in Kind (BiK) tax, which can make a big difference to your monthly tax bill.

Is a plug-in hybrid right for me?

A PHEV works best when your daily mileage falls comfortably within the electric range and you have a reliable way to charge.

If most of your journeys are short and predictable, you could find yourself rarely using the petrol engine at all. However, if you cover long motorway distances regularly and won’t have consistent access to a charger, you might not get the full benefit.

Models available with plug-in hybrid options include:

Man opening Nissan Qashqai door

The Nissan Qashqai is one of the most popular hybrid cars

How do the three hybrid types compare?

All three hybrid types have their merits – the right one depends on how you drive, whether you can charge at home, and what you want to get out of a hybrid lease.

Here’s how they stack up:

 Mild hybridFull hybridPlug-in hybrid
Needs charging?NoNoYes
Runs on electric alone?NoYes - short distancesYes - longer distances
Best forMotorway and mixed drivingUrban and stop-start drivingShort commutes with charging access
Fuel efficiency benefitModerateGoodHighest - if charged regularly
Typical lease priceLowerMid-rangeHigher
Benefit in Kind taxStandard rateMildly reduced rateLowest rate of the three

The key distinction to keep in mind is the charging question.

If you don’t have reliable access to a charger – at home, at work, or both – a self-charging hybrid or mild hybrid will serve you better than a PHEV, where the electric range benefit is largely lost if the battery isn’t being topped up regularly.

If charging is straightforward for you, a PHEV is likely to offer the greatest day-to-day savings.

JAECOO 7 display

A PHEV can make your fuel economy a lot more efficient

What about fully electric vehicles?

If you’re weighing up hybrids against going fully electric, it’s worth understanding where EVs sit in relation to the hybrid types covered above.

A fully electric vehicle (EV) has no petrol or diesel engine at all – it runs entirely on electric power and needs to be charged from an external source. There’s no combustion engine to fall back on, which means the battery capacity and your access to charging infrastructure matter more than they do with a PHEV.

In return, you get zero tailpipe emissions and the lowest running costs of any drivetrain type, particularly if you charge at home on an overnight tariff.

The gap between EVs and PHEVs has narrowed considerably in recent years.

Many modern electric cars now offer real-world ranges comfortably above 200 miles, with some exceeding 300. And with charging infrastructure continuing to improve, some drivers will find the leap from PHEV to full EV is smaller than they expect.

But if you’re not quite ready to make that move, a hybrid lease is a practical way to reduce your emissions and running costs in the meantime – and leasing means you’re never locked into yesterday’s technology for long.

OMODA 7

OMODA 7 SHS

Which type of hybrid can I lease?

All three hybrid types – mild, self-charging, and plug-in – are available on personal and business lease agreements in the UK, and the range of models on offer has grown significantly as brands expand their hybrid lineups.

Leasing suits hybrid technology particularly well.

The electrification market is moving quickly, with efficiency improvements and new models arriving regularly. A lease keeps you in a fixed-term agreement – typically two to four years – which means you’re not tied to one model as the tech evolves.

At the end of your agreement, you simply hand the car back and choose your next one.

Whether you’re looking for a mild hybrid to ease into electrification, a self-charging hybrid for town and city driving, or a plug-in hybrid to maximise your electric mileage, there’s a hybrid lease deal for you.

Frequently asked questions

Do hybrid cars need to be plugged in?

It depends on the type.

Mild hybrids and self-charging hybrids charge themselves as you drive through regenerative braking – there’s no plug required and nothing to connect at the end of the day.

Plug-in hybrids do need to be charged from an external source to get the most out of the electric range, though they’ll still run on the petrol engine if the battery runs low.

Are hybrid cars cheaper to run?

Generally, yes.

Though how much you save depends on the type of hybrid and how you drive.

Mild hybrids offer a modest fuel efficiency improvement over conventional petrol or diesel equivalents.

Self-charging hybrids can reduce fuel use more noticeably on urban and mixed routes. Plug-in hybrids offer the greatest potential savings, but only if you’re charging regularly – a PHEV that’s rarely plugged in will return similar fuel economy to a regular car.

Can I charge a hybrid at home?

If you have a plug-in hybrid, yes.

The most convenient way is through a dedicated home charger, which charges significantly faster than a standard three-pin socket. Both options work, but if you’re leasing a PHEV and plan to charge regularly, a home charger is worth considering before your vehicle arrives.

Mild and self-charging hybrids don’t require any home charging setup. They manage their own charge automatically.

Are hybrid cars worth it for low-mileage drivers?

For low-mileage drivers, a self-charging/full hybrid is often the better fit over a plug-in hybrid.

PHEVs deliver their greatest efficiency benefits when the electric range is being used consistently, which typically suits drivers with a predictable daily routine and reliable charging access.

A MHEV or FHEV removes that dependency entirely and still offers a fuel economy improvement over a conventional car, making either a practical choice regardless of annual mileage.

Sarah Hunt

Sarah Hunt

Sarah is the Head of Marketing and she's tasked with keeping the fantastic marketing team in line. She's probably the reason you've heard of us, and her wealth of marketing experience means that no challenge is too big.