Mercedes-Benz E53 vs Kia EV6

What's the difference?

The Mercedes-AMG E53 Hybrid 4Matic+ is a superb blend of high-tech hybrid muscle and cossetting top-end luxury. Value is competitive, it looks (and feels) the business, despite the conventional sedan configuration it’s surprisingly practical (except for the modest boot), fuel-efficiency is a key benefit and safety is stellar. The ownership proposition is okay for the category but that’s not top of mind when an enticing series of corners ranges into view. It’s an impressive package.

Note: CarsGuide attended this event as a guest of the manufacturer, with travel, accommodation and meals provided.

It’s fair to say the Kia EV6 is not the most affordable mid-to-large electric SUV money can buy. Especially in the era of cheaper Chinese models.

It also lacks some of the practicalities of a few rivals. If that’s your focus and you’re dead set on buying a Kia, then the EV5 is the clear choice.

But that’s not the sole purpose of this car.

It doubles as family transport and a car for driving enthusiasts. It’s the sort of EV that can convert EV non-believers.

After a week with the EV6, it’s not a car I’ll forget easily. And I urge buyers looking in the EV space not to overlook this pioneering model. It’s a brilliant car to drive and the GT-Line RWD is the value pick of the whole line-up.

At first glance the E53 passes as a flash-looking Mercedes-Benz E-Class running 20-inch rims, especially in the launch car’s rich ‘Patagonia Red’ finish.

But then, there’s something about the AMG sedan’s stance that sets it apart. Which makes sense because the front fenders are wider by 11mm on both sides (compared to the E-Class) to make room for a wider front track (increased by just over 30mm over the previous-generation E53).

Wheelbase has also increased by just over 20mm to almost 3.0m and the car’s more aggressive nose treatment enhances the distinctive look.

There’s the AMG-specific radiator trim with ‘Panamericana’-style vertical slats, the sleek dual-section headlights and a large lower inlet that directs air to an additional front intercooler as well as an external opening for a wheel-arch cooler.

In profile there’s barely a hard edge to be seen, although character lines in the bonnet and along the car’s flanks contribute to a taut surface treatment.

At the rear, horizontally-connected LED tail-lights feature a stylised Mercedes three-pointed star signature, then a rear apron housing a diffuser and twin double tailpipe ‘trims’ and a bootlid spoiler on the left and right round off a beautifully proportioned design.

Climbing inside means a trip to screen city with an upright digital display in front of the driver flanked by a large central screen to the left and an additional panel for the front passenger beyond that. It’s a lot.

But once you’re on top of all the glass surfaces, details like open pore grey ashwood trim on the lower console come into focus, as do the brushed metal accents, beautifully sculpted ‘Performance’ front sports seats (optionally fitted to our launch drive example), racy stainless steel pedal covers and the five spoke AMG performance steering wheel with configurable rotary buttons.

It’s a supremely luxurious and comfortable interior. 

When I first saw the Kia EV6, I have to admit I wasn’t a massive fan of the design. I was, and still am, a massive fan of the mechanically related Hyundai Ioniq 5. Perhaps one of the many reasons that model won Best Medium SUV Under $130,000 at the 2026 CarsGuide Car of the Year Awards!

But the 2026 facelift has given me a renewed appreciation of the Kia’s design.

The overall shape is the same but the front, which was arguably its least appealing angle, has been redesigned.

It’s 15mm longer thanks to the new front bumper design, and it has adopted a completely new headlight signature that's in keeping with the EV3, EV4, EV5 and EV9. The front looks meaner, more aggressive, but in a really hot way.

There’s also a new bumper at the rear but the tail-lights are pretty much the same.

Overall it’s a much sharper look, helping to breathe new life into the EV6.

The visual changes are more subtle inside, but it was already a nice cabin to begin with. The big changes include the new version of Kia’s dual-screen set-up which is more modern and centred than the previous version, and there’s more visually appealing graphics.

The other key change is the steering wheel. For GT-Line and GT grades, Kia’s dropped the polarising two-spoke wheel in favour of a sportier and more premium three-spoke, dual-tone wheel found in other models, including the EV3. The base Air retains the two-spoke wheel.

At over 4.9m long, close to 2.1m wide and a little under 1.5m tall, with a 2961mm wheelbase, the new E53 is a substantial car and feels it on the inside.

Plenty of breathing space for the driver and front passenger thanks in part to the away slope of the screen-dominated dash.

Generous storage, too, with large door bins including enough space for big bottles, a deep lidded box between the seats (which doubles as a centre armrest), a generous glove box and two cupholders under a sliding top at the front of the centre console. 

Hit the second row, and sitting behind the driver’s seat, set for my 183cm position, I have plenty of head and legroom, with enough shoulder space for three adults on short journeys. A trio of up to mid-teenage kids will be fine for a road trip.

Storage is pretty handy as well with hefty door bins and two pop-out cupholders in the fold-down centre armrest. No map pockets on the back of the (optional) Performance front seats, though.

Four-zone climate control means there’s individual temperature control for each side of the back seat, with adjustable vents at the back of the front centre console and trailing edge of the B-pillars. Very civilised.

Power and connectivity runs to three USB-C outlets and a wireless device charging pad in the front.

Thanks to the traction battery under its floor, boot volume is restricted to 370 litres (compared to 540L in the conventional E-Class sedan), although there are bag hooks, tie-down anchors and the 60/40 split-folding rear seat is able to liberate more space.

No spare tyre of any description, just a repair/inflator kit, which might make sense for automotive designers and engineers trying to maximise space and reduce weight, but doesn’t make sense for an owner stranded on the side of the road with an unrepairable puncture.

Under Australia’s vehicle categorisation, the Kia EV6 is classed as a large SUV. Which is not correct. Yes, it’s long and wide but it isn’t large. It’s medium. Also, is it an SUV? Or is it a low-slung coupe-style fastback? Perhaps a bit of both.

The EV6 has a decent amount of space in the cabin, but family-friendly practically might not be its strongest suit.

In the front row, headroom is limited. The sunroof is partly to blame for this, but the EV6’s front seats have always felt a little cramped for taller folks. Finding my perfect driving position took a bit longer as a result. Popping your sunglasses on your head is a no-no for a six footer like me. There is, however, plenty of space across the front of the cabin.

The front seats offer excellent upper body bolstering but could do with a little more for the thighs. But they are delightfully comfortable and look gorgeous.

The elevated centre console provides a high-set armrest and under that is a massive central bin, then there is a huge amount of open space underneath.

It houses two shallow and narrow cupholders with a phone charger, gear shifter, vehicle on/off and seat/steering wheel heating buttons. Yay buttons!

Climate control is managed via a digital panel separate to the main screen. It features smart dials that switch between air con and audio and sat-nav controls. Speaking of which, the air con flow is excellent.

Kia’s updated multimedia system brings it into line with other newer models. It’s a pleasure to use this system. Large tiles drill down into logical sub-menus, you can swipe every which way and the resolution is excellent. It’s also easy to navigate.

There are three USB-C charge ports under the centre stack.

Taller passengers might need to duck their head when getting in the second row, due to the lower sloping roofline. Once seated, the EV6 features that quirk of some older EVs where the rear seats are heavily bucketed and your knees sit up high because of the positioning of the under-floor battery. A lot of newer EVs keep the rear footwell free of battery packs to ensure more foot room and a more comfortable rear-seat experience.

There’s heaps of leg room behind my seating position, and headroom isn’t bad back there. It’s certainly better than the front. I had about 2.0cm between my head and the roof liner.

It feels a little dark back there due to the high window line, privacy glass and small rear window.

The rear seats are comfy but on the firmer side. There’s a fold-down arm rest with two shallow cupholders, and a small bottle will fit in the door.

You get two map pockets, USB-C ports on the back of both front seats, and chest-level side air vents.

You can lower the 60/40 split rear seats via a lower lever on the seat base. They fold almost flat, too. You can also lower the seats via a lever in the boot which is a handy feature.

The EV6 Air RWD’s boot can swallow 490 litres of cargo, and that drops to 480L for all other grades.

The boot area allows for a decent amount of usable space but the sloping tailgate means you won’t fit tall items.

Under-floor storage is limited but could easily fit flatter items like a charging cable. It also houses the tyre repair kit which is sadly what you get instead of any form of spare wheel. The boot also has a number of bag hooks, speakers and a light.

A front storage compartment under the bonnet can take 52 litres in the RWD grades, dropping to 20L in AWD versions.

One of the challenges for Kia and the EV6 is price and positioning. In the four years since its launch, the price of EVs of a comparable size has come down considerably.

You can get a medium-to-large electric SUV in the low-$40K range these days from one of a number of new Chinese players.

But not many of those cars have the same focus on driveability as the EV6.

Wisely, Kia has kept prices essentially as they were as part of the 2026 facelift. Each grade has only gone up by $70 apiece.

The EV6 kicks off with the Air RWD (rear-wheel drive, single motor) from $72,660, before on-road costs. The GT-Line RWD (the grade I will focus on for this review) costs $79,660 and the GT-Line AWD (all-wheel drive, dual motor) is $87,660 - an $8000 jump from the RWD.

It tops out at $99,660 for the performance-honed GT.

This pricing puts the EV6 somewhere between the new crop of affordable EVs like the BYD Sealion 7, Zeekr 7X and more premium offerings like the BMW iX3 or Audi Q4 etron.

It’s closer in price to another sporty EV, the Cupra Tavascan ($60,990-$82,490), as well as the Kia’s mechanical cousin, the Hyundai Ioniq 5 ($76,200-$115,000).

The facelift ushers in new standard gear including fresh 19 to 21-inch alloy wheel designs, vehicle-to-load (V2L) functionality, new twin 12.3-inch driver and multimedia screens, updated software with enhanced graphics, wireless Apple CarPlay and Android Auto (it was previously wired) and over-the-air updates.

Other standard gear in the base Air includes reclining rear seatbacks, synthetic leather seats, manual front seat adjustment, five USB-C ports, a wireless phone charger, a retractable cargo cover, six-speaker audio, digital radio and dual-zone climate control.

The GT-Line RWD I am testing adds a 14-speaker Meridian audio system, heated and ventilated front seats, a heated steering wheel, ambient lighting, alloy sports pedals, a sunroof, hands-free power tailgate, eight-way power driver and front passenger seats, synthetic black suede/white leather seats and remote park assist.

The flagship GT gains special sports bucket seats, two more USB-C ports in the rear, heated rear seats and a bigger dollop of performance.

When you look at the base pricing compared to the fully-loaded standard kit of the more affordable EVs, it doesn’t look like great value. But the GT-Line RWD is the pick of the EV6 grades as it isn’t missing much. You could also argue the overall build quality, gripping performance (more on that in the Driving section), reliability and Kia’s extensive dealer network is worth the extra spend.

The E53 is powered by a 3.0-litre, turbo-petrol, in-line six-cylinder engine working in concert with an electric motor housed within the car’s nine-speed (torque-converter) automatic transmission. 

Drive goes to all four wheels via an electro-mechanically controlled clutch distributing power between the front and rear axles.

Engine performance is up by around 10kW compared to the previous E53 thanks to software upgrades, a new twin-scroll turbo with higher boost pressure (1.5 bar vs 1.1 bar) as well as additional front and wheel-arch intercoolers. 

The engine alone produces 330kW/560Nm while the permanently excited synchronous motor chips in with a solid 120kW/480Nm for overall outputs of 450kW/750Nm.

The EV6 has a range of powertrains depending on the grade. The Air and GT-Line RWD have a single motor set-up offering 168kW of power and 350Nm of torque, and the GT-Line AWD dual-motor pumps out 239kW and 605Nm.

Kia has boosted power in the high-performance GT by 18 kilowatts to a bonkers 448kW.

These figures are higher than some cheaper rivals and on par with other similarly priced EVs.

The 0-100km/h sprint time for the rear-drive grades is 7.7 seconds, dropping to 5.3 seconds for the GT-Line AWD, while the GT can do it in a blistering 3.5 seconds when engaging Launch Control.

The E53’s official combined cycle (urban/extra-urban) fuel figure is 1.7L/100km, a spectacularly frugal number for such a high-performance machine. But it’s worth noting it’s predicated on the drive battery being constantly and completely recharged.

Speaking of which, the 28.6kWh, 400-volt traction battery is housed at the rear of the car under the boot floor. It delivers a claimed EV-only range of up to 100km, although that will diminish dramatically if you decide to push up towards the car’s pure-electric top speed of 140km/h.

Important to note the battery’s 21kWh ‘day-to-day’ capacity, designed to keep charge in reserve for any required ‘high-performance boosts’.

An 11kW AC charger is onboard with regenerative braking also harvesting energy, the car automatically selecting the level of recuperation power in line with traffic conditions.

In pure EV mode you can also manually adjust regen through four levels via the steering wheel-mounted transmission shift paddles. 

Auto stop/start for the engine is standard and 98 RON premium unleaded is recommended, although 95 RON is okay at a pinch.

The E53’s official fuel consumption figure and 50-litre tank capacity translate to a range approaching 3000km! But to bring that down to earth somewhat, on the launch drive program, covering urban and mostly highway running, we saw a (dash indicated) average of 6.4L/100km, which equates to a more realistic, but still lengthy, 780km between fills.

All EV6 grades get a bigger under-floor lithium-ion battery, up from the 77.4 kilowatt hour unit in the previous model to 84kWh.

Driving range is up more than 50km in rear-wheel drive variants to 582km in the Air and 560km in the GT-Line, according to the WLTP testing cycle.

The GT-Line AWD’s range is now 522km (up from 484km), and the range-topping dual-motor GT offers 450km of range - a 26km increase.

All EV6 grades have vehicle-to-load charging via a port under the rear seating row or by using an extender for the external CCS Type 2 charging port.

Maximum DC charging is 10.5kW but the EV6 supports AC charging infrastructure up to 400 and 800 volts.

Using a 50kW fast charger should take 80 minutes to get from 10 to 80 per cent full, while a 350kW charger takes 18 minutes. Slow AC charging at home with three-phase power should take about seven-and-a-half hours.

Official energy consumption varies between grades. The Air RWD is 15.9kWh/100km, GT-Line RWD is 16.9kWh, GT-Line AWD is 17.7kWh and GT is 20.9kWh.

The car’s trip computer recorded an efficiency figure of 19.1kW/h when I handed it back, but I engaged in some enthusiastic driving. Factoring in the usable battery capacity (80kWh), the EV6 GT-Line RWD’s theoretical range is 473km.

It has multi-mode regenerative braking that is exceptionally smooth, including one-pedal driving, various EV sounds to choose from and a utility mode function to save battery life.

There’s even a soft close function for the charge flap that’s integrated nicely in the driver’s side rear tail-light.

If you’re lining up for a Mercedes-AMG you want an optimal blend of luxury and performance and the E53 Hybrid 4Matic+ nails that delicate balance.

With 450kW (that’s 612hp!) and 750Nm under your right foot, engaging ‘Race Start’, pushing the accelerator to the floor and letting the car do its thing will result in 0-100km/h acceleration in 3.8 seconds. The fat band of mid-range torque is so satisfying to lean into.

Induction, engine and exhaust sounds combine to produce a suitably gruff soundtrack with the hybrid powertrain operating seamlessly. Hit your preferred track day or tempt legal fate and you can explore the car’s claimed (governed) maximum velocity of 280km/h. 

The nine-speed auto is slick and manual changes using the wheel mounted paddles are rapid.  In normal conditions the AWD system is biased to the rear and an electric rear locking diff helps keep things under control if you decide to get the bit between your teeth on a twisting drive.

A chunky brace links the front suspension strut mounts and the car feels predictable and stable in enthusiastic cornering. Rubber is Michelin Pilot Sport 4S (245/35 fr / 275/30 rr) which grips with satisfying determination but does make its rumbling presence felt on anything approaching a coarse chip surface (despite the car’s standard acoustic glass).

Speed-sensitive power-steering delivers accuracy and good road feel without any jitters, the standard active rear-axle steering playing its part. The ‘turning point’ is 100km/h with the rear wheels subtly turning in the opposite direction to the fronts up to that speed and in the same direction beyond it.

‘AMG Ride Control’ combines steel spring suspension (strut front, multi-link rear) with adaptive adjustable damping for the choice of ‘Comfort’, ‘Sport’ and ‘Sport+’ settings. Comfort is the pick for B-road running on typically uneven surfaces. The optional ‘Performance’ sports front seats are comfortable and grippy in equal measure. 

Braking is by ventilated composite rotors all around, with beefy four-piston fixed calipers up front. An electro-mechanical brake booster is designed to combine electrical recuperation with the hydraulic brake for more frequent and efficient energy harvesting over a longer period of time. The pedal feels firm and progressive with smooth initial bite. 

All around vision is good for a conventional sedan with a quality reversing camera, 360-degree overhead view and front and rear parking sensors helping massively with parking duties. That said, a 12.5m turning circle isn’t tiny.

This is where the EV6 excels. There’s a lot more competition out there now, but the good news is the EV6 still impresses on the road.

I am purely focusing on the GT-Line RWD for this section as it’s the grade I had for a week.

It’s not brutally quick from a standing start, but it offers a nice, linear build up of speed. It adds speed quite quickly when at pace and this is more than enough poke for most people.

If you are intent on more power and speed, but without stretching to the GT flagship, the GT-Line AWD might be your cup of Jarrah. Although that is an $8000 premium over the RWD.

If you want to save the cash the RWD has drive modes ('Eco', 'Normal', 'Sport', 'Snow', 'MyDrive'), so you can add some spice with Sport mode.

The EV6’s precise steering has a little weight to it and good feedback.

On dynamically engaging roads the EV6 doesn’t feel its two-tonne weight. It has loads of grip when you lean into a corner and remains flat through the twisty stuff. There’s the tiniest hint of lateral movement in the car but there’s a lack of top-heavy body roll.

Thanks to the rear-wheel drive configuration, it’s also playful. The rear flicked out briefly when turning in wet conditions, but otherwise the stability control keeps everything in check.

This car has clearly been engineerd by driving enthusiasts for driving enthusiasts.

The ride quality is a little jittery on uneven roads. It’s not cushy like the EV5. You will feel tram/train tracks, potholes and random bumps. I detected a little vibration through the steering wheel on crumby roads. The Continental Premium Contact 6 (255/45 R20) tyres have a decent sidewall but they can’t soak up everything.

As well as being dynamically excellent, it’s also a lovely cruiser on smooth freeways and roads.

Other related points - it has a large turning circle (11.6m) and visibility is impeded by enormous B- and C-pillars, small rear windows and a middle-seat headrest.

The EV6 doesn’t gain anything too new from a safety perspective with this update but it comes standard with the usual driver aids like auto emergency braking with car, pedestrian, cyclist and junction turning, lane keep assist, ‘Lane Following Assist’, blind-spot collision warning and assist with rear cross-traffic alert and assist, safe exit warning, multi-collision braking, adaptive cruise control, a speed limiter, reversing camera and front and rear parking sensors.

The lane keeping aid tugs a little at the wheel and it subtly moves the car to the left line marking on motorways, but it’s not too intrusive.

There are seven airbags including a side centre airbag, three top tether anchors and two ISOFIX points.

The EV6 was awarded a maximum five-star rating from ANCAP back in 2022 and that rating should carry over until it expires at the end of 2028.

As with any modern Kia - or Hyundai and Genesis for that matter - I turn off a bunch of the driver aids as soon as I get behind the wheel to ensure I remain sane. Thankfully, there is a configurable favourite button (a star) on the steering wheel that takes you straight to the driver safety menu, otherwise you have to dig through multiple menus.

I turn off the infuriating overspeed warning and the driver attention alert every single time I drive this car because they are so deeply annoying.

If safety features are too distracting to leave on, are they really safe?

The Mercedes-AMG E53 Hybrid 4Matic+ is covered by a five-year/unlimited km warranty with the high-voltage battery covered for eight years/160,000km. Those terms match the key players in the premium and luxury parts of the market.

Mercedes-Benz ‘Road Care’ assistance is included for the duration of the main vehicle warranty. 

Maintenance is recommended every 12 months/25,000km, with service plans offered across three- ($4110), four- ($5410) and five-year ($7570) periods. That’s an average of around $1350 for the first two and $1500 for the last one. That added powertrain complexity obviously has an impact in the workshop.

The EV6 is covered by Kia’s solid seven year/unlimited kilometre warranty and it has a battery warranty of seven years or 150,000 kilometres, whichever occurs first.

The service schedule is every 12 months or 15,000km.

Kia offers service plans of three, five and seven years with pricing for Air and GT-Line of $728 for three years, $1391 for five years and $2055 for seven years.

The GT is a little pricer at $842, $1570 and $2319, respectively.

This pricing isn’t astronomical, but it is more expensive than the Cupra Tavascan and MG IM6.

Kia has 147 dealerships across the country covering metro, urban and rural areas and all of them service EVs.