Denza B5 vs BMW 330e

What's the difference?

Denza has made a huge statement with the B5 and for the most part the hype is deserved. It packs an incredible amount of luxury and tech inside and out which is even more surprising given the impressive asking price.

There are only a few flaws like the busy ride, over-the-top body roll and the occasional infotainment quirk. Hopefully these can be fixed with future over-the-air software updates.

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

The 330e M Sport is an excellent car, but it could be a much better hybrid.

In Australia, where driving distances can be vast, a car that's as comfortable and easy to live with as this one is welcome. But for the electric range to dissipate so quickly, and not recoup again at a fast enough rate without plugging into a charger, is disappointing.

There are other plug-in hybrids, even among the more affordable mainstream brands, which can return charge to the battery incredibly quickly and effectively on the go.

If you are looking to make the step into a hybrid, then perhaps consider a fully electric car. There isn't a battery electric 3 Series on the market in Australia (yet), but BMW does sell the iX1 small SUV for less money than a 330e or the iX3 for a tad more.

Both are pure electric SUVs and have a range of between 400-500km. You'll never need petrol again, which makes a hybrid seem outdated.

It’s worth calling out straight away that the Denza B5 is essentially an SUV version of the BYD Shark 6 as the two share underpinnings, but it’s much more luxurious and blingy.

Externally it has a big, boxy and bluff design that helps it stand out on the road. It looks even tougher when the suspension is in its lifted mode.

I particularly like the front fascia with the big headlights and the prominent Denza badge on the grille, but there are some strange body creases around the side.

While the boxy looks make the B5 stand out, it’s not necessarily unique. There are elements that are reminiscent of the Land Rover Defender, plus many angles look similar to the GWM Tank 300.

Inside is where the luxe is dialled to the max. There are so many soft touches around the cabin that it makes a lovely place to spend time.

Additionally there is a lot of high-quality physical switchgear which is surprising given how prominent the large 15.6-inch central touchscreen is.

Lastly, I like how substantial many of the finishes are. There are large grab handles on either side of the dashboard which you do need to use to hoist yourself into the cabin, plus chunky interior door handle pulls that are satisfying to use.

Once upon a time sedans were all we drove, well mainly. Then SUVs became the style of car most people wanted. In fact, three out of four new cars sold in Australia today are SUVs.

So, I commend you on your choice of not just doing what everybody else does, and you'll be rewarded with better driving dynamics, and ownership of an iconic BMW - the four door, 3 Series.

And even though this is a plug-in hybrid version of the 3 Series it's identical in styling to the petrol variants. Only the light blue border around the BMW roundel is the indication that it's an electric vehicle. That and the charging flap near the left front wheel.

The M Sport pack adds some very sexy features such as the M Sport aerodynamic body kit, the door sills and M Sport seats, but the M Sport Pro Pack our car came with adds a black gloss grille, boot lid spoiler and the snazzy seat belts.

The cabin's double screens are impressive but I miss analogue gauges and found the digital instrument cluster overly busy and led more by cool design than functionality.

Many Chinese cars have lots of bling but lack actual substance when it comes to comfort and usability. This is where the Denza differs.

Take the driver’s seat, for example. In a number of Chinese cars they look plush and comfy, but in reality they are firm after longer drives and lack adjustability.

The B5’s driver’s seat, however, is very comfortable, offering almost limitless adjustment, plus heating, ventilation and even a massage function as standard. The latter is great for longer road trips.

Ahead of the driver the steering wheel has plenty of adjustment, allowing people of different heights and statures to get comfortable behind the wheel. There are also lots of physical buttons and switches that have a satisfying click when pressed.

The digital instrument cluster is high-resolution and clear, and there's a number of different informative pages that you can cycle through. It’s nice to have this level of customisation.

Moving across, the aforementioned 15.6-inch touchscreen multimedia system dominates the dashboard. If you’re familiar with the user interface in other BYD vehicles, it’s virtually identical in the B5.

It’s very easy to navigate around and if you do get lost there are a number of shortcut buttons at the bottom of the screen that can either take you back home or to other key functions.

One of my favourite features about the screen is the swipe-down control centre menu. You can customise it to have key shortcut functions. It’s much better than having to dig through countless submenus.

It’s clear Denza still has a few kinks to iron out with the translations from Chinese to English as some don’t make sense. Denza will likely sort this with future software updates.

As standard there is wireless Apple CarPlay and Android Auto and it takes up the full screen when connected. It’s a stunning set-up, though reaching the far left-hand side of the screen from the driver’s seat can be a little tricky on the move.

As I touched on earlier, there is a lot of physical switchgear around the cabin which is helpful as you don’t need to solely rely on the touchscreen for key functions. The piano key buttons for the drive and EV/HEV modes are particularly handy, plus the rising gear shift lever is premium-feeling.

In terms of storage up front, there are up to two 50W wireless chargers (depending on the variant you opt for) with ventilation, two cupholders with adjustable depths, some shallow storage under the centre console, plus a fridge/hotbox under the centre armrest.

Moving to the second row there is plenty of space for at least two adults to sit comfortably. Pushing it to three may be a little tight with shoulder room, plus the centre seat is raised compared to the outboard ones. It’s worth noting though that there is a flat floor so you don’t need to fight for foot space.

Second-row amenities include chunky grab handles for easy ingress and egress, air vents on the back of the centre console, as well as heated and ventilated outboard seats in the top-spec Leopard trim. It’s properly luxe.

At the back the tailgate is side-hinged which can be problematic if you reverse into a carpark as you need to allow for space for it to open up. It has a soft-close function which is handy as you don’t need to slam it shut.

There’s 470L of boot space with the rear seats upright, expanding to around 1000L when folded. It’s a decent amount of space and is square with a very minimal load lip.

Amenities include a 12V socket, a wide array of hooks and nets, as well as a small storage space under the boot floor for the charging cables.

Lastly the B5 comes with a full-size spare wheel mounted on the tailgate. This is becoming increasingly rare in electrified vehicles and is very handy if you have a puncture.

People will tell you SUVs are more practical than sedans... and they're right, but not in as many ways as they probably think.

The cabins of sedans and SUVs of the same size are close in terms of space, but the 330e comes with excellent storage - better than many SUVs I've tested, featuring enormous door pockets, and a deep centre console storage bin.

There are four cupholders, too. Two in the fold down armrest in the back and another two up front.

There's also wireless charging up front, plus USB ports for the back passengers. The second row also has its own climate control and directional air vents.

Legroom is excellent in the back and I can sit behind my driving position with plenty of room to spare. Headroom is also excellent thanks to the tall roofline of the 3 Series.

Where a sedan isn't as practical as an SUV is its ride height, which makes getting in and out of the latter easier (although the 330e's doors open very wide) and its boot opening.

SUVs have hatch-like openings and that offers a wider and taller aperture for carrying cargo.

The 330's boot was still big enough to fit our two largest CarsGuide suitcases (see the video), but the location of the battery means cargo capacity has been reduced from 480 litres in a petrol 330i to 375 litres in this 330e.

The BMW 330e M Sport lists for $97,400, which is $4000 more than its 330i petrol twin.

The M Sport part of the name is there because the 330e comes standard with the M Sport pack. And that gives you a tough body kit, M Sport suspension, M Sport seats and aluminium trim, as well as M Sport door sills.

The car we tested and the one you can see in the video and images also comes with the 'M Sport Pro Package'. It costs $2800 and adds a boot-lid spoiler, glossy black grille and tail pipes, and M Sport seat belts, among other goodness.

This car also had the optional 'Visibility Package' fitted. It costs $4800 and adds a sunroof and adaptive LED headlights.

There's no direct rival for the 330e in Australia now. Mercedes Benz used to have a C300e, a plug-in version of its C-Class, but retired it locally some time ago.

The standard features of the 330e M Sport are identical to the 330i M Sport.

So, along with that M Sport pack also coming standard on the 330e is a head-up display, a 12.3-inch digital instrument panel, a 14.9-inch media screen with sat nav, Apple CarPlay and Android Auto, three zone-climate control, wireless phone charging, digital radio and power adjustable front seats.

Is it good value? There's a stack of equipment, tech, beautiful M Sport additions and it all feels superbly high quality. But knowing you can have a 330i for less means you're paying more just for the hybrid system. So, let's talk about that...

Power comes from plug-in hybrid set-up combining dual electric motors (one on each axle) and a 1.5-litre turbocharged four-cylinder petrol engine.

It’s a similar set-up to the BYD Shark 6, but the B5 has more power. Total system outputs are a meaty 400kW and 760Nm, which is good for a claimed 0-100km/h sprint in just 4.8 seconds.

Power is sent to all four wheels and for added peace of mind off-road there are front and rear mechanical diff locks as standard, plus a wide range of drive and terrain modes, including a low-range mode.

Backing this up is a 3000kg braked towing capacity and up to 600kg of payload.

The 330e M Sport has a 2.0-litre petrol engine and an electric motor. The engine makes 135kW while the motor produces up to 80kW, for a combined dollop of 215kW. Total torque is more than sufficient at 420Nm.

Acceleration to 100km/h from zero feels as quick as the 5.8 seconds BMW claims and that's also about a tenth of a second brisker than the 330i.

The 'XtraBoost' function combines the total output of both the engine and motor briefly providing that great acceleration.

An eight-speed automatic shifts gears smoothly with the drive going to the rear wheels.

I like all this very much - the responsive engine, the fantastic transmission, the extra oomph from the motor and the way it all works together seamlessly. It's just a shame it's not as efficient as some other new plug-in hybrids.

Feeding the electric motors is a 31.8kWh lithium iron phosphate (LFP) Blade battery which Denza claims to allow the B5 to travel up to 100km on electric power alone, according to NEDC testing.

There’s also vehicle-to-load (V2L) capability with 6.6kW output through the charging port using an adapter. This allows you to use the battery charge to power appliances. It’s handy if you go camping, for example.

The battery can be AC charged at rates up to 11kW or DC fast-charged at rates up to 100kW.

There’s also an 83L fuel tank. Denza claims the B5 has a total range of 975km, according to NEDC testing.

Fuel consumption depends on whether or not you charge up the battery. Denza claims you’ll use 1.9L/100km from 100 to 25 per cent battery charge and 9.5L/100km under 25 per cent battery charge, both according to NEDC testing. Regardless, this is better than similarly sized diesel-powered SUVs.

The 330e M Sport is a plug-in hybrid which must be connected to an external power source regularly to charge its 12kWh battery.

The charging flap is located on the left side of the car near the front passenger door, which worked well for me as I could steer the 330e into my driveway and connect to a powerpoint on the wall using the charging cable provided.

It took me about six hours to charge the battery to 100 per cent from zero and that gives you a maximum 57km of electric driving range.

During my four days with the 330e Sydney's summer temperatures were hitting 34-degeres Celsius and with the climate control keeping the cabin at a hospitable 18C electric range was seriously cut short to about 40km.

I drove the 330e in hybrid mode nearly all the time - this is a hybrid after all. But there is a 'Sport' mode for more grunt and a 'Battery Hold' mode to save the charge for later.

I started with a full charge and a full tank of petrol, and for four days I lived with the 330e as I do with all my test cars.

I didn't aim to get the best fuel economy ever, nor was I wasteful with fuel. My wife and I, plus our two kids, just used it as our family car, doing trips to the beach, endless laps of the supermarket car park looking for a space, a birthday party, the lot.

I drove 154.7km over those four days and charged it on the second day after the battery was drained completely before driving another 70km or so over the next couple of days.

When I filled up after this it needed 7.74 litres to reach full again - it's a small 41 litre tank.

That converts to average fuel consumption of 5.0L/100km, which is bang on double the 2.5L/100km BMW says you should get.

I don't doubt you could get 2.5L/100km, but you'd have to be doing short trips and charging almost every time you weren't driving. And not use the climate control on an icy blast setting.

I've tested other plug-in hybrids that achieved much better mileage and that's because their on-board charging capabilities were excellent.

Some were even able to use the petrol engine to power the motor in reverse and therefore act as a generator to recharge the batteries fully.

The 330e M Sport doesn't do a good job of charging its battery while on the go. Sport mode does recoup charge to the battery, but again, if you're doing a long motorway trip that charge evaporates fast.

I don't think this type of plug-in hybrid is suited well to our country where we don't blink an eye at travelling 100km for Christmas lunch and then drive back again.

Also think about if you ever go on a trip away and don't have access to a power point or public charger. It's happened to me.

Behind the wheel the Denza B5 primarily operates as an electric vehicle (EV) first up, meaning it’s largely quiet inside the cabin when driving around normally.

Once the charge starts to drop, the petrol engine typically switches on to top up the battery. It largely acts as a generator and a lot of the time you can’t actually tell whether it’s on or off.

In some cases where you floor the throttle or go up a steep hill, the engine revs can flare and that’s when it makes its presence known in the cabin.

When the battery charge gets down low enough and you gun it, the petrol engine can directly power the front wheels. This is rare though because the car purposefully leaves at least 25 per cent battery charge in reserve.

With 400kW and 760Nm thanks to the combination of the dual electric motors and the 1.5-litre turbo-petrol engine, the B5 absolutely hauls. The peppy feel is largely due to the instantaneous torque the electric motors provide.

However, in the standard drive mode there is a noticeable input lag from when you push the accelerator a bit harder and when the car actually accelerates. This is reduced in the sport drive mode.

Despite the juicy outputs, the B5 does feel its weight. When you accelerate hard it pitches back extensively, much like the Jeep Grand Cherokee Trackhawk. This never failed to make me smile though.

It’s surprising as we only drove the top-spec B5 Leopard on this launch and it comes fitted with the DiSus-P adaptive hydraulic suspension system which has a self-levelling function.

In the bends the B5 gets a considerable amount of body roll regardless of the drive mode. This is common for many Chinese cars as they typically prioritise floaty comfort-oriented tunes over a firmer and more dynamic-feeling ride.

Despite this, once it leans over it’ll comfortably hold and grip, largely thanks to the chunky 275/55 R20 Pirelli Scorpion tyres that come standard on the top-spec Leopard trim.

Like many body-on-frame vehicles, the ride gets busy on harsher roads with more frequent bumps. As a passenger you can get jostled about in the cabin.

The steering, while direct enough, can have a vague and artificial feeling. Depending on the drive mode it either artificially adds or reduces the resistance.

Unlike the related BYD Shark 6, the B5 gets a low-range mode which uses a clutch pack on the rear electric motor to allow for more controlled low-speed crawling, plus front and rear mechanical diff locks. This can make a big difference once the going gets really tough.

Additionally, the DiSus-P hydraulic suspension allows for a total of 140mm of travel. In the highest position there’s a wading depth of up to 790mm.

Lastly in terms of noise, vibration and harshness (NVH), the B5 is a very quiet car to drive. As I mentioned above, the electric-first nature automatically makes this a quiet car.

There is very little road and wind noise. This is surprising as the B5 is essentially a 3.0-tonne box on wheels. It seems Denza has put a lot of effort into sound insulation.

The 330e M Sport is outstanding to drive. The driving position is superb, the steering is effortless and accurate, handling is excellent and the ride is beautifully comfortable.

Brake pedal feel is surprisingly good for a hybrid - some have a wooden sensation.

The transition from electric motor to petrol engine is also remarkably smooth.

Acceleration in Sport mode is sudden, with the engine and motor combining their mumbo to move you. There is a 'fake' or synthesised exhaust note in Sport mode, but it sounds convincing.

Speaking of sounds at lower speeds, in fully electric mode the 330e emits a warning tone to alert pedestrians of your presence. It's quite loud in car parks and does actually make people turn around looking for a UFO.

The 3 Series was awarded the maximum five-star ANCAP rating when it was tested in 2019. The 330e comes standard with AEB, lane keeping assistance, blind-spot warning and rear cross-traffic alert.

There are excellent cameras front and rear and LED headlights, too.

Adaptive cruise control is also standard on the 330e M Sport.

Denza B5 owners are covered by a six-year, 150,000km warranty, whereas the high-voltage battery is covered for eight years or 160,000km. Owners also receive three years of roadside assistance.

This warranty length is fairly standard in the mainstream segment, but in the luxury segment it pushes past the current five-year benchmark.

Logbook servicing is required every 12 months or 20,000km, whichever comes first. The first five years of servicing totals $3542, which averages out to just over $700 per service. This does seem like a lot, but in the premium space this is rather competitive, especially once you consider both the electric and combustion components are being serviced.

There are currently seven Denza dealers around Australia and it plans to have a total of 20 by the end of 2026. It’s also planning to allow certain BYD dealers to service Denza cars.

The 330e M sport is covered by BMW's five-year/unlimited kilometre warranty. The hybrid battery is covered by a six-year/100,000km warranty.

BMW offers a five-year/80,000km service package for the 3 Series for $2150.

Service intervals are condition-based, and the car will let you know when it's time for a check-up.