Isuzu MU-X vs Citroen C5 Aircross

What's the difference?

So, engine aside, not much new for the 2024 MU-X, but I can confidently say this: if you’re not towing big loads all of the time, then the 1.9-litre turbo-diesel won’t just save you cash at the dealership, but at the service station, too.

So, what did my family think about the Citroen C5 Aircross Sport?

I love how it looks and its updated safety list. It’s fairly spacious inside and has a great boot space but it’s lacking a lot of family-orientated practicality in the back seat. The lack of individual storage and amenities is noticeable when you have a kid or two but even as an adult, not having a cupholder for your coffee/drink on a trip feels odd.

The multimedia system and reversing camera need to be improved, too. Overall, it will suit a small family which is out of the baby stage but can’t yet justify upgrading to a larger SUV. It gets a 6.5/10 from my family. 

If you like the look of the 2023 Isuzu MU-X, then boy have I got good news for you, because the changes to the 2024 model occur under the bonnet, and nowhere else, really. That means you get the same simple, boxy exterior design, which emphasises capability over fanciness.

Yes, the MU-X design is more dependable than daring, but I reckon it works, with the three-row SUV cutting a fairly handsome figure, even if it is yet to receive the design tweaks just rolled out on the updated Isuzu D-Max.

Inside, though, it definitely presents as a little utilitarian, with some plastics that feel like they could survive a nuclear blast, and the 7.0- and 9.0-inch central screens both feel a little underwhelming by modern standards.

It all feels very comfortable and hard-wearing though, which is probably every bit as important, given the MU-X’s target market.

The facelifted model sees a sportier front with the grille redesigned to highlight the double chevron badge.

The bonnet curves around the badge, as do the two long LED strip lights that connect the headlights. The bonnet also sports new divots that give it a gruffer edge.

The wide profile at the rear and new three-pronged tail-lights create some interest.

The black plastic moulding that runs along the base of the car could look unfashionable on a lighter colour but on our blue paintwork, it looks good. As does the contrasting black roof!

The interior trims are finished in a combination of synthetic and Nappa leather but boast a two-tone colour which might not land with everyone. Particularly given the navy portions seem to be glittery in certain lights.

Sitting at 1859mm wide, 1695mm high and just 4500mm long, the overall exterior design is sporty but cute. It should appeal to those who want a nice-but-not-loud-looking car and something that is easy to park.

Practicality has always been a sizeable MU-X perk, regardless of the engine. 

That starts with seven seats, and a back row where actual full-size humans can spend time — and there are not many three-row SUVs you can say that about.

I’m 175cm tall and while I wouldn’t pick row three as my first choice, I’d happily sit back there for short hops.

The middle row, too, is pretty spacious, though it is lacking in a few creature comforts, with just the air-con vents (but no temp controls) and a couple of USB ports to keep you company.

And remember when I said the brand was promising the 1.9-litre engine wouldn’t cost much in terms of capability? Well, Isuzu says the braked towing capacity for models fitted with the smaller engine is 3000kg, while the payload figure increases — now up to 735kg — mostly because the new engine is about 70 kilos lighter. Models fitted with the 3.0-litre turbo-diesel are still rated to tow 3.5-tonne. 

The MU-X stretches 4850mm in length, 1870mm in width and 1815mm in height and it sits on a 2855mm wheelbase, which means while there’s plenty of cabin space it’s not too ridiculous to park.

You’ll find 311 litres of boot space with all three rows in place, growing to 1119 litres with the second row folded flat and 2138 litres with just the front two seats in action.

Every MU-X model will offer at least 800mm in wading depth and 230mm ground clearance, too.

The interior is spacious for a medium SUV but the back seat knocks off some points for family practicality. So, let’s start in the back.

Despite there being plenty of headspace for my 168cm (5’6’’) height, the legroom is cosy behind my driving position.

Meaning a 0-4 rearward facing child seat will encroach on front passenger space. It’s probably best suited to a family which is out of the baby stages but it was cumbersome fitting my big harnessed-booster seat in there, too.

It has ISOFIX child seat mounts on the outboard rear seats and three top tethers but two seats will fit best. The floor is flat, which offers far more comfort for a middle seat passenger and I love how the seats can be individually shifted.

The amenities and storage in this row are sparse. You get directional air vents, reading lights, netted map pockets and shallow storage bins in the doors.

Siblings may squabble over the single USB-A port on a long road trip but more than that, there are no cupholders or drink bottle holders back there or even a centre armrest.

That said, the 182mm ground clearance made it an easy car for my six-year-old to get in and out of; plus, the stadium-like seating and wide windows meant he had an awesome view this week.

Now for the front. It has ample amenities, storage and tech. You get plenty of head- and legroom, plus with the panoramic sunroof the cabin manages to feel airy, too.

Individual storage is great with an extra deep middle console, glove box, two cupholders, bins in each door and two very handy utility trays situated near the toggle-type shifter.

Charging options are much better up front, too, and you can choose between a wireless charging pad, two USB-A ports and a 12-volt socket to charge your device.

It's super easy to connect to the wired Apple CarPlay and there’s wired Android Auto for those users.

The built-in satellite navigation is straightforward but that’s where the simplicity ends. I did not find the multimedia system or the digital instrument panel to be terribly intuitive to use and the touchscreen controls can be laggy.

I’m sure you could get used to it over time but I felt flustered.

For this size SUV, the boot space is great at 580L with all seats in use but you can bump it up to 1630L if you fold the back row.

The floor can be adjusted to make a level load space or dropped to give you greater depth for bulkier items and there is a temporary spare tyre underneath the floor.

There are luggage tie-down anchors, a cargo blind and I always like having a powered tailgate. 

There is only one model for the C5 Aircross Sport and it will set you back $54,990, before on-road costs.

That prices it as the most expensive compared to its rivals with the Mazda CX-5 GT SP ($51,810) coming in closest but the Nissan X-Trail ST-L ($46,790) and the Kia Sportage SX+ ($41,850) are even more affordable.

The only included paint colours are 'Polar White' and 'Nera Black'. Our model’s 'Eclipse Blue' will add on $690.

However, the C5’s price tag doesn’t feel too cheeky because of the feature-heavy specification, including heated front seats, electric driver’s seat with massage function, a panoramic sunroof and a mix of premium Nappa leather and synthetic leather interior trim.

You also get a powered tailgate, rear privacy glass tinting, full LED lights on the exterior, individually sliding seats on the back row and black 19-inch alloy wheels.

The technology has been upgraded with the dashboard being headlined by a 10-inch touchscreen multimedia system and a 12.3-inch digital instrument panel.

Built-in satellite navigation, as well as wired Apple CarPlay and Android Auto are also included as standard equipment.

On top of that, the safety list has been significantly improved, but more on that later. 

Let’s focus on the new engine option here, with the 1.9-litre turbo-diesel delivering 110kW and 350Nm. They don’t sound like massive numbers, but Isuzu makes the point that the torque delivery is wide, with maximum grunt available from 1800rpm to 2600rpm, and 300Nm available from 1550rpm to 3700rpm, meaning there’s power there when you need it.

The new engine pairs with a six-speed Aisin tramsission and delivers power to two or all four wheels.

The C5 Aircross Sport has a 1.6-litre, four-cylinder turbo-petrol engine with a maximum power output of 133kW and 250Nm of torque. It’s not super grunty but there’s plenty here to keep you up to speed on the open road.

It is a front-wheel drive and has an eight-speed auto transmission but the gear changes can feel a bit jerky at lower speeds.

Another perk of the smaller engine is a smaller fuel bill, with the 1.9-litre turbo-diesel promising to drink 7.4L/100km on the combined cycle - almost a litre less than the 3.0-litre 4x4 model, which is more like 8.3L/100km. 

Emissions drop, too, with the smaller engine rated at 196g/km of C02 combined, compared with 220g/km on for the 3.0-litre 4x4 model.

Impact on the hip pocket? Well, fewer trips to the service station for one. Isuzu says the 80-litre fuel tank should deliver almost 1100km of driving between refills.

Ah, this is where it earns back some points!

I was very impressed by the efficiency of this because the official combined cycle fuel figure is 5.7L/100km and my real-world usage came to 6.2L! That’s fantastic for this sized SUV and for a turbo.

With a fuel tank of 53L and based on the combined fuel figure, you should be able to get a driving range of around 930km, which is good for those families who like to do road trips.

First things first, you can absolutely tow with the smaller MU-X engine. In fact, we attached a load weighing close to its 3.0-tonne maximum and the Isuzu just hunkered down and got to work.

It must be said, though, it’s nowhere near as effortless as when you have the bigger 3.0-litre turbo-diesel engine up front, which dispatches heavy loads clinically and easily.

The smaller option has to try harder and rev higher, and while it’s easy enough on downhill runs or flats, it’s noticeably slower when heading up hill.

It does demand the question of how often you’ll be attaching close to its rated maximum on the towball, though. If it’s often, the bigger engine is definitely for you. But if it’s occasionally, or your tow loads are lighter, you can definitely make do with the 1.9-litre option.

On the road, the 1.9-litre engine’s power delivery is actually pretty well suited to the MU-X. It’s not fast, of course, but the width of the torque band helps deliver grunt when you need it (to a point) especially in the low-end, and I reckon the whole experience is a bit smoother and quieter than with the bigger engine, too.

You are missing some of that effortless grunt, of course, and you still can’t escape the usual diesel noise that permeates the cabin, but the lower fuel use for lower power feels like a fairly decent trade. 

It won’t be for everyone, and cross-country travellers and towers will no doubt go for the bigger unit, but for everyone else the 1.9-litre is a pretty sensible option.

Despite its city-friendly size, the C5 Aircross Sport is just as happy cruising on the open-road as it is in an urban environment.

The ride is smooth enough once you get up to a steady speed but the suspension can feel harsh on a bumpy road.

Also, the auto stop-start function can make it feel sluggish to respond, so I disabled this on most trips.

There is plenty of power so you'll feel confident overtaking or getting up to speed on the open road. However, you have to be a little more aggressive with the accelerator when you’re hitting hills.

The steering can, at times, feel vague when you’re at lower speeds but is otherwise responsive.

The cabin space is quiet and nice to be in on the highway and you’ll be able to chat with your passengers with ease.

What I like most about this though is the visibility – the windows are large and I feel like I have a clear view most of the time, which isn’t always the case in an SUV.

Parking this is a cinch with entry to tight car parks helped by a 10.7m turning circle!

However, the 180-degree view camera isn’t great and near hopeless at night time. A clearer image would be welcome but front and rear parking sensors ease the annoyance.

The updated safety list is most welcomed, especially on a family SUV.

The C5 Aircross Sport has the following as standard - daytime running lights, forward collision alert, lane keeping aid, lane departure alert, blind-spot monitoring, rear cross-traffic alert, intelligent seat belt reminders, traffic sign recognition, 180-degree view reversing camera, front and rear parking sensors and adaptive cruise control with stop and go function.

Special mention for the new fatigue detection alert. When it triggers it doesn’t stop sounding until both of the driver's hands are detected on the steering wheel.

The autonomous emergency braking with car, pedestrian and cyclist detection is operational from 10 – 80km/h (5.0 -140km/h for car detection), however the pedestrian and cyclist functions are only detectable in the day time. It’s usual to see it operational at night, as well.

Despite the new safety items, it still only has six airbags, which includes curtain airbags covering both rows but that’s pretty low for a family car nowadays.  

It was awarded four from a maximum five-star ANCAP safety rating back in 2019 but didn’t have all of the new items at the time of testing.  

Every Isuzu MU-X model gets a six-year, 150,000km warranty, as well as five years of capped price servicing, and up two seven years of roadside assistant. 

The service are 12 months or 15,000km, and each service costs $449 per year, or a total $2245 over five years.

The on-going costs are super-reasonable on the C5 Aircross Sport, with a five-year/unlimited km warranty included.

You can also choose to pre-purchase a three- or five-year capped-priced servicing plan, both significantly cheaper than the pay-as-you-go option. 

On the three-year plan, services are $1100 or an annual average of $366.

It’s a flat $2000 for the five-year plan, (averaging just $400 per service), which is very competitive for the class.

Servicing intervals are every 12 months or 15,000km, whichever occurs first.

The Aircross also comes with a five-year roadside assistance plan that is offered through Digicall Assist, for added peace-of-mind.