BMW XM vs Kgm Musso

What's the difference?

It’s pretty obvious the XM is designed to impress people with big wallets and an appetite for a techy experience that’s also not without a few green credentials. The ability to motor around as a fully-electric vehicle for up to 80km or so is a big plus and the electric-ballroom interior vibe is hard to ignore, as well.

But from our perspective, the full-fat, twin-turbo V8, while offering startling performance, is perhaps a lost opportunity to follow some of BMW’s competitors into the engine-downsizing space. Then again, when you floor the throttle and 2700kg hurtles forward like a big dog on a short chain, you can see where BMW is coming from.

Perhaps the biggest letdown is the ride quality – or lack of it. While it’s understandable BMW wanted the most dynamic version of the XM it could manage, the end result plays against the vehicle’s otherwise long suit of hyper-luxury. Doubtless, BMW would argue that to soften the chassis would have been to introduce a chink into a no-compromise product. But, perhaps, sometimes a sensible compromise is the way forward.

The KGM Musso Advance is a large 4WD ute offering a decent amount of appeal for the price and it makes a lot of sense in XLV form.

It’s generally nice to drive, it’s comfortable and capable for a ute and – as with the Rexton – the Musso is another clear sign that KGM continues to improve its vehicles, albeit incrementally in some cases, in terms of quality and functionality.

There’s nothing subtle about the way the XM looks. It probably pulls up just short of brutalist (or maybe not) but even those who find its slabs and angles attractive have to admit that it’s bold.

The now-trademark giant nostrils set the mood and the rest of the exterior suggests some kind of armoured transport for presidents rather than wheels for the school run. Doubtless, this will hardly be seen as a fault by those in the market for such a thing.

The real surprise here is that the XM does not share a bodyshell with any other production BMW. Sure, the V8 petrol engine and wheelbase are common to other BMW and M models, but the sheet metal is the XM’s and the XM’s alone. That in itself, is quite a statement of intent.

The Musso is based on its SUV stablemate, the Rexton. It’s a body-on-frame 4WD ute, available only as a dual-cab, and its appearance is inoffensively pleasant.

Styling changes to the Advance include a black grille, black 18-inch alloy wheels, HID headlights (on short and XLV grades), and rear privacy tint.

It also has a black leather-look interior with black leather-look seats.

The Musso’s interior offers plenty of space for the driver and passengers and is neat and well laid out.

Build quality and fit and finish are impressive with a mix of durable plastic and soft-touch surfaces throughout including a leather steering wheel and leather-look seats in the Advance.

Given the vast exterior dimensions and a weighbridge ticket the wrong side of 2700kg, it may come as a surprise to learn that the XM is strictly a five-seater with not even an optional third row.

That said, the uber-SUV Lexus LX in flagship, Ultra Luxury, trim offers just four seats in deference to the VIP clientele it’s pitched at, but also comes complete with reclining rear seats and a passenger’s side footrest which the XM can’t match.

Staying in the rear seat, there’s lots of legroom and plenty of space under the front chairs for feet. A lot of that is down to the wheelbase the XM shares with the BMW X7, and even behind a tall driver, there’s lots of space. In fact, compared with a BMW X5, there’s a full 150mm of extra legroom.

The pew itself flows into the door trims for a lounge effect which looks great with the contrasting light-coloured trim, and the centre arm-rest folds down to reveal a pair of cupholders. Extra storage space can be found in fold-out pockets in the rear of each front seat which also house a small, lidded panel that opens to reveal USB ports and power sockets. Dual-zone climate controls are also part of the rear-seat experience.

The gee-whizz stuff hasn’t been ignored, either, and the prismatic roof lining is nothing if not a talking point. But would a panoramic sunroof have been of more value to many buyers? The ambient lighting is a nice touch, too.

Up front, the view is dominated by the giant, twin curved animated dashboards. They deliver information and lots of it, to the point where it can almost seem a bit overwhelming.

The head-up display helps simplify things, but there’s absolutely no doubt there’s a lot going on in this cabin. Again, this is modern luxury motoring, but it remains that the menu system will take time to learn, even if the touchscreen function gives you an option on how you control things.

Multi-adjustable front seats are part of the deal and there’s an M-spec steering wheel which is heated. And although it features plenty of buttons, isn’t as daunting perhaps as the multi-spoked equivalent in some high-end AMGs of late.

The stereo system is also worthy of a mention, being a Bowers & Wilkins unit with roof mounted speakers and no less than 1500 watts of power. Digital radio is part of the package.

Even though it doesn’t offer a seven-seat option, luggage space in the rear of the XM is hardly class-leading. Cargo volume with rear seat up is 527L and 1820L with it folded.

Much of the wheelbase is devoted to rear-seat stretching room and although the batteries for the electric motor are positioned under the rear seat, the floor of the cargo area seems quite high.

There is the expected array of storage spots (glove box, door pockets etc), cupholders (two to the rear of the auto shifter) and charge points (two USB-C ports and a 12-volt plug point for driver and front passenger).

The seats are comfortable and supportive and, in general, KGM has maximised space in the cabin, yielding plenty of shoulder and legroom for driver and passengers.

The 12.3-inch touchscreen multimedia system works reasonably well although you do have to cycle through numerous menus and sub-menus to change some settings and I did have to try several times to pair my phone to it, so overall functionality is clunky.

Rear-seat passengers have access to directional air vents, but there are smart-device charge points.

The tub size is as follows: 1600mm long in the XLV (1300mm in the standard Musso), 1570mm wide (1100mm between wheel-arches) and 570mm deep. The tub has a plastic tub liner and four tie-down points.

For a direct comparison of dimensions: the standard Musso is 5095mm long with a 3100mm wheelbase while the XLV is 5405mm with a 3210mm wheelbase; the standard Musso is 1950mm wide and 1870mm high (the XLV is 1885mm). For reference, the Ford Ranger XLT dual-cab ute is 5406mm long (including rear bumper and tow bar receiver) with a 3270mm wheelbase.

The difference in dimensions between a standard Musso and the XLV version also means a difference in off-road angles so approach is 22.8° / 25° (XLV), departure is 23.4° / 20° (XLV) and rampover is 23° / 20° (XLV).

Minimum ground clearance is 215mm in a standard Musso and 220mm in the XLV, so the Musso XLV does stand taller off the ground than its regular stablemate.

Kerb weight is listed as 2090kg for the standard Musso and 2100kg for the XLV. Turning circle is 11.8m for the standard Musso and 12.2m for the XLV.

The KGM Musso is available in three grades - ELX, Advance, and the Ultimate. All three can be optioned up with an XLV Pack, which adds a 300mm longer tub giving you an additional 251L rear tub capacity, along with a 110mm longer wheelbase. XLV also increases maximum torque from 400Nm to 420Nm.

At the time of writing, our test vehicle, the Advance, has drive-away price of $48,700.

Standard features in the Advance include 12.3-inch touchscreen multimedia system (with wireless Apple CarPlay and Android Auto), 12.3-inch digital LCD instrument cluster, leather-accented heated and ventilated front seats with electric adjustment, 18-inch black alloy wheels, HID headlights, LED daytime running lights, and a suite of driver-assist tech, but more on that in the Safety section below.

Exterior paint choices include Grand White (no extra charge), Amazonian Green (metallic paint), Marble Grey (metallic paint), Pearl White (metallic paint) and Space Black (metallic paint). Metallic paint is available for $700.

Here’s where the XM starts to justify its price-tag. While the use of an electric motor to boost a petrol engine has allowed some manufacturers to reduce the capacity of the latter, no such restraint has been shown for the XM. Instead, it gets the full 4.4-litre, twice turbocharged V8 that we’ve come to know and love from this brand.

It’s not that this is the engine’s first date with hybrid technology, but the mild hybrids that have come before it can’t match the XM for sheer brutality when both power units are unleashed.

The petrol V8 can muster up 360kW and 650Nm which, when boosted by the electric motor, jumps to a total of 480kW (combined) and 800Nm.

While the petrol engine drives through an eight-speed torque-converter automatic, the electric motor also drives through the transmission, an arrangement that is a bit different to some hybrids which use the petrol engine for the rear axle and the electric motor to drive the front wheels.

Of course, the requirement for the XM to feature permanent all-wheel drive, regardless of what power unit is running at the time, forces this layout.

Speaking of all-wheel drive, The XM’s version of BMW’s 'xDrive' layout has been specifically tuned for this vehicle and includes torque vectoring as well as a limited-slip rear differential.

The system has the ability to vary the torque split front to rear, with the default rear-bias giving a more sporting feel on good surfaces. An active rear differential also helps give the car a rear-drive feel.

As well as modes for 'Hybrid', 'Electric' and 'eControl' modes, the XM sticks with the M tradition of offering two M buttons which can be configured to set the parameters for steering, driveline, chassis and, in the case of the hybrid XM, the degree of braking regeneration offered.

Four-wheel steering is also part of the XM’s repertoire and, interestingly, there’s no air suspension here; just conventional steel springs.

But it does feature an electrically-adjusted anti-roll bar system which aims to strike a happy medium between what the driver wants and the road conditions demand.

The KGM Musso Advance with the XLV Pack has a 2.2-litre four-cylinder turbo-diesel engine – producing 133kW at 4000rpm and 420Nm from at 1600-2600rpm – it gets an extra 20Nm over the shorter version's 400Nm from 1400 to 2800rpm.

It has a six-speed automatic transmission, part-time 4x4 with high and low range, and an auto-locking rear differential.

This is a sluggish combination producing a generally lacklustre performance and the powertrain is not particularly efficient but, having said that, the Aisin auto is a reliable, well-proven transmission and the Musso ultimately does reasonably well with what it has.

The 4WD mechanicals and driver-assist tech actually work better in this package than they do in the Musso’s stablemate, the Rexton.

A 25.7kWh lithium-ion battery provides the power for the electric drive. It’s mounted under the rear seat and can produce a purely electric range of between 82 and 88km (based on WLPT test protocols).

Charge time from a conventional wall-box is said to be about four hours but, interestingly, the XM has no provision for DC fast-charging.

Fuel consumption (combined cycle) is an EV-typical 2.7 litres per 100km, which equates to a low 61g/km of CO2.

Once you’ve depleted the battery on a highway journey, expect the petrol V8 to consumer somewhere between eight and nine litres per 100km at cruising speed.

Using EV mode means zero-emission operation but, as with any electric car, how the power is generated to recharge it determines its real-world green-ness.

Official fuel consumption for the Musso Advance with the XLV treatment is 9.0L/100km.

On this test, I recorded 11L/100km, but on the test I spent a chunk of time in 4WD high and low range.

The Musso has a 75-litre fuel tank, so going by my on test fuel-consumption figures, from a full tank, you could reasonably expect a driving range of about 681km.

But it is worth noting that I didn't have a lot of weight on board during this test – it was just me and the vehicle recovery gear – and you will have a lot more weight on board: your family or your mates, pets, camping gear, surfboards, kayaks, the whole kit and caboodle.

While any M car is supposed to be rapid and dynamic, it’s also true that the over-arching perception of big SUVs is that they’re comfortable and plush. None of which explains the ride in the XM.

Regardless of how you fiddle with the settings, the ride is always brittle. Those big tyres with their minimal sidewall somehow manage to find every crack and join in the road, and it’s these sharp-edged imperfections that thump through to the cabin the most vocally.

It’s enough to make you wonder who this car is going to appeal to. Will it take to race tracks? Almost certainly not. So the whole point of these suspension settings might be a bit lost on some people.

Performance, meanwhile, is insanely rapid for something that could pass as a bulk carrier. The biggest giveaway to the mass is the transmission’s earnest attempts to keep everything moving by feeling a bit hyperactive on downshifts.

Using the ratios is always going to be the strategy, but with all that torque, maybe it’d be nice sometimes for the trans to hang on to a taller gear and let the boost blow it towards the next corner.

The sound track? Polarising. Even if it doesn’t convince you that Hans Zimmer (who developed the various electronically-synthesised noises the XM makes) should stick to winning Oscars, the augmented sounds are background noise rather than the main event here.

Even the petrol V8’s naturally stirring backing vocals have been electronically tweaked with debatable results.

That said, it’s nice to have something to listen to that isn’t the insistent tyre roar which becomes even louder on coarse-chip surfaces.

Steering effort is light but there’s not a lot of feedback in terms of actual feel. In fact, it’s borderline detached and only the sheer speed of the rack confers any athleticism.

Also, the rear steering seems to come in a few milli-seconds after the front has started to turn. And for all that all-wheel-steering agility, this is never a car that shrinks around you.

On-road, the longer-wheelbase Musso is composed and comfortable with well-subdued NVH (noise, vibration and harshness) levels adding to an impressive overall sense of low-key refinement.

The engine and auto work reasonably well together, but as mentioned earlier this is a sluggish unit and it takes some urging to get it going. Pronounced lag from stand-still can be disconcerting, especially when you need plenty of zip to punch you into the traffic flow.

This ute’s suspension – double-wishbone, coil springs and stabiliser bar at the front, multi-link with coil springs at the rear – is firm, mostly controlled, but the Musso becomes jittery on irregular surfaces, such as lumpy back-roads bitumen and mildly corrugated dirt tracks.

One noteworthy annoyance: the Musso does not have adaptive cruise control.

Despite that, the Musso is actually quite reasonable for general driving duties.

As a 4WD, the Musso actually performs pretty well. It is a long wheelbase ute, so you have to drive it with consideration because you have to take into account its shallow off-road angles – approach, departure and ramp over – and it has quite a large overhang of tub behind the rear axle.

It has an auto locking rear diff, which is clunky in operation and I’d prefer a switchable diff-lock, which you could select whenever you want to, but otherwise it's effective in a workman-like kind of fashion.

Steering is not too shabby, it has a nice weight to it in all situations, whether you are on the bitumen or a dirt track. Turning circle on this long-wheelbase ute is 12.2m, but it feels nimble to steer around on the tracks.

The Musso has part-time four-wheel drive and high and low range 4WD gearing. It doesn't have a lot of power and torque in terms of the contemporary dual-cab ute market, but it does fine with what it does have; 420Nm in the XLV Musso gives it that little bit of extra punch over the standard Musso (400Nm) and that torque is available across a decent spread of revs.

If you intend to use your Musso as an off-road adventure vehicle or a weekend holiday machine, then it's handy to know that it's unbraked towing capacity is 750kg and its braked towing capacity is 3500kg and that's on par with the dual-cab ute market.

In terms of tyres, it’s the same story here as with most standard 4WDs – the Musso’s Nexen NPriz RH7 (255/60R18 108H) are not well-suited to anything other than light off-roading. The easy fix? Replace those tyres with some decent all-terrain tyres.

Payload is a listed 880kg (790kg in the standard Advance), GVM is 2980kg and GCM is 6480kg.

The Musso does not have an ANCAP rating because it has not been officially tested.

As standard, the XLV Advance has six airbags, auto emergency braking (AEB), lane departure warning, trailer sway control, blind-spot monitoring, rear cross-traffic alert, front/rear parking sensors plus reversing cameras and more.

Adaptive cruise control is not offered on Mussos in Australia, only old school cruise control.

Like a lot of manufacturers, BMW knows consumers can be leery of EV tech when it comes to the cost of battery replacement. So, as well as the five-year/unlimited-kilometre warranty on the whole vehicle, there’s also eight years or 160,000km of cover for the high-voltage battery.

Servicing intervals are based on how the car has been used and it will inform the owner when a service is required.

A servicing package is included in the purchase price and BMW even throws in three years of roadside assistance.

The MY26 Musso range is covered by a seven-year/unlimited kilometre new-vehicle warranty, and five years of roadside assistance.

A service is required every 12 months or 15,000km, whichever occurs soonest with cost per service either $418 or $522.

Note, KGM considers off-roading as an example of a “severe driving condition” and so your Musso may require more frequent servicing.

KGM Australia has more than 50 dealerships across the country with a decent spread across metro and regional areas. Rextons can be serviced at those dealers or at approved workshops.