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Hyundai IONIQ Plug-In Hybrid Review



Independent Review

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PLUGGING A GAP

Of all the three versions of Hyundai's IONIQ, the Plug-in Hybrid variant is arguably the cleverest. Jonathan Crouch takes a look at what's on offer with the revised version of this car.

Ten Second Review

The Hyundai IONIQ was the first car ever to go on sale with three different forms of electric power. Buyers choose from pure electric propulsion, hybrid propulsion or, as in this case, a Plug-in hybrid model. Given the choice between these three options, we think most potential buyers would probably take the Plug-in route if money was no object - and it's easy to see why, with up to 32 miles of WLTP-rated all-electric driving range and CO2 emissions as low as 26g/km.

Background

Hyundai is serious about eco-motoring. Deadly serious. Over the next few years, the company plans to launch a whole portfolio of eco-minded models, including hybrids, PHEVs, full-electric vehicles and even a fuel-cell electric vehicle. But it all had to start somewhere - and did so back in 2017 with this IONIQ, which went on sale back then in hybrid, full-electric and this Plug-in Hybrid form.

This is the lightly updated version of the Plug-in Hybrid model, updated in 2019. And it remains one of the more affordable plug-in contenders of its kind on the market - for the time being anyway - aiming to offer buyers the best of both worlds; the all-electric capability of the full-Electric IONIQ model. And the range capability of the full-Hybrid version of this car. Sounds promising.

Driving Experience

In an IONIQ Plug-in, there's obviously much more potential for extended full-electric use than there is in the ordinary full-Hybrid model, thanks to the greater capacity of a considerably larger 8.9kWh battery that drives a pokier 61PS electric motor. Despite that, total system output remains pegged at 141PS, so ultimate performance is pretty much the same as it is with the ordinary Hybrid variant, though initial acceleration seems quicker thanks to the torque of the electric motor. Mind you, use too much of that and you'll quickly decimate the WLTP-rated 32 mile all-electric driving range. Rest to 62mph takes 10.6s en route to 110mph.

The IONIQ shares the same basic platform as the Kia Niro, which is a very good place to start from. As a result, the Hyundai handles nimbly and takes corners with more composure than you might expect for a car that's main focus is on low running costs and emissions. The only limiting factor is the reduced rolling resistance tyres, but in day to day driving you'll find this car very capable. It also enjoys a tight turning circle and steering that's light to turn at low speeds. You can add some more weight to the helm by selecting the 'Sport' mode, but we find this makes it too heavy. Around town, the suspension is on the firmer side of comfortable but by no means unsettled. Accelerate hard and you'll really notice the benefits of this IONIQ's use of a proper cog-driven 6DCT dual-clutch auto transmission, a much better gearbox than the jerky belt-driven set-up used in a rival Toyota Prius and other hybrids.

Design and Build

There's not much point building a new car that offers three different electrified power trains for the first time ever if you're not going to make the most of every facet of its design. This is why Hyundai has gone to great lengths with the IONIQ to come up with a shape that has a drag coefficient of just 0.24. That makes this one of the most slippery shapes ever for a car as it cuts through the air, which helps reduce energy use and noise. Recent design revisions include a smarter front grille and updated bumper styling.

And inside? Well, inside this Hyundai, it doesn't feel futuristic. It's not that it's dull in the cabin: it's just that it's not trying to be too clever for its own good. We like that. What you get is a dash that bears a strong resemblance to the Korean company's other models such as the i30 and Tuscon. That's a very good thing as it's clear and made from excellent materials. There are hints, though, at what lies under the bonnet, such as the battery indicator gauge on the left-hand side of the main 7-inch instrument display. It tells you how economically you're driving and whether or not you are using energy reserves or topping them up. In the centre is a simple to read speedo, while on the right is a configurable screen for information such as doors left open and water temperature. A dash highlight is a now-larger 10.25-inch colour touchscreen, which includes Tom Tom navigation. There's a smaller boot that you'd get in the standard hybrid version, the PHEV's luggage capacity rated at 341-litres.

Market and Model

You'll be paying around £30,000 for this car in base 'Premium' form - or just over £32,000 if you want the plusher 'Premium SE' version. That looks at first glance quite a lot more than is being asked for the full-Hybrid IONIQ derivative (which starts from around £22,000), but that's because the Plug-in model isn't being offered in base 'SE' form, the range limited to those plusher 'Premium' and 'Premium SE' trim levels. Compare against these and you'll find that the extra required to upgrade to Plug-in motoring is just under £5,000.

Equipment levels are quite comprehensive, with all models featuring keyless entry with push button start, heated front seats, a heated steering wheel, Bi-Xenon headlamps with LED rear combination lamps and a driver's supervision instrument cluster with a 7" LCD display. Integrated satellite navigation with TomTom Live services, an Infinity audio system with Android Auto / Apple CarPlay and Wireless Phone Charging (where supported) also feature as standard. Standard safety features include Autonomous Emergency Braking (AEB), a Lane Keep Assist System (LKAS) and a Tyre Pressure Monitoring System.

Cost of Ownership

The IONIQ Plug-in model's engine, a 1.6 GDI direct-injection petrol four-cylinder unit with a class-leading thermal efficiency rating of 40%, is a good place to start in the design of this car. In combination with the 61PS electric motor powered by a 8.9 kWh lithium-ion polymer battery, it makes possible a WLTP-rated CO2 emission reading of up to 26g/km. The WLTP combined cycle fuel return is supposed to be 256.8mpg (WLTP), though as with any plug-in model, you can take that reading with a pinch of salt. The important thing though, is that the government believes it, hence the low BIK tax liabilities this IONIQ Plug-in model will deliver for you.

As for the WLTP-rated 32-mile driving range potential, well that's a little further than you can go in other rival Plug-in models. A pricier Prius Plug-in, for example, offers a rated 29-mile range. Charging an IONIQ Plug-in Hybrid takes 2hours 15mins using a 7kW wallbox charger. Using a domestic 3-pin plug, you're looking at 5 to 6 hours.

Finally, let's talk warranties. Most modern cars come only with an unimpressive three year/60,000 deal. With this IONIQ, in contrast, a much more complete peace of mind package comes as standard thanks to one of the best customer assurance plans in the industry. The Five Year Triple Care warranty includes five years of mechanical cover with no mileage limit, annual vehicle health checks and roadside assistance.

Summary

We can see why so many IONIQ sales will be of this Plug-in Hybrid variant. After all, it offers quite a lot more ownership flexibility than the ordinary full-Hybrid derivative, thanks to its 32 mile all-electric driving range. Some might have potential issues with it of course. The looks aren't especially arresting and some rivals can offer you slightly more all-electric driving range. It isn't very interesting to drive either - but then few eco-models of this sort are.

Still, if you can accept that, get on with the styling and adjust to the frugally-focused manner this car will encourage you to ease about in, then we think you'll probably like mostly everything else about it. In fact, if for you, 'interest' at the wheel is defined by technology, you might find this car thoroughly satisfying. It's certainly state of the art.


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