MG Im5 vs Subaru Solterra

What's the difference?

The MG IM5 Performance is fast, comfortable, quiet and super refined. Putting some minor spec and active safety niggles to one side, it offers the features, tech and price to match it with its well-credentialled and already popular mid-size EV sedan competitors. Is there room for one more? We think there should be.

The updated Subaru Solterra is now good enough to compete with rivals such as the Tesla Model Y and Zeekr 7X. The price is right as are the driving range and motor outputs.

There's room for improvement in terms of cabin packaging. The car doesn’t cater for taller, larger people up front, with the steering wheel placement and wide centre console. Cabin storage could also be much better.

Still, the Solterra is superb to drive. One of the best EVs I’ve piloted at this price.

Playing spot the straight line on the outside of the MG IM5 is like an automotive design version of Where’s Wally? There aren’t many, in the midst of an unrelentingly curvaceous exterior treatment.

At close to five metres long and two metres wide the IM5 is appreciably longer (+211mm), a little wider (+27mm) and a bit taller (+33mm) than a Tesla Model 3. Think BMW 5 Series in terms of overall size.

And the soft-form shape is functional; the swoopy liftback boasting an ultra-slick 0.24 drag coefficient.

That said, I’m not convinced by the ‘Periscopic’ cameras informing the driver assistance systems from the front guards. They scream tacked-on afterthought. But a touch-only initial opening function for the flush door handles is cool and makes life easier.

The curves continue inside with soft-padded surfaces around the dash and doors, but the straight edge obviously came out for the 10.5-inch central media screen and vast 26.3-inch upper display. There are next to no buttons; even exterior mirror adjustment is directed from the screen to a multi-function steering wheel control.

System software (powered by a Qualcomm ‘Snapdragon’ chip) is lightning fast with a two-finger up and down swipe shortcut function on the central screen for ventilation and other functions.

The interior is light and bright thanks to the enormous panoramic sunroof. It’s been fine in cooler winter conditions during this test but it could be interesting to revisit in the heat of an Aussie summer

There are two interior colour schemes available - the ‘Highland Grey’ of our test car or ‘Dover Beige’ for those brave enough to live life with the threat of scuff marks on your shiny new car’s glamorous but vulnerably light interior.

The Solterra is a mid-sized SUV with sporty coupe-like styling and this update has seen the front of the car receive a new look which to my eyes is better than the previous face. 

The rest of the car’s exterior remains mainly unchanged in the design.

If you aren’t a fan of the Solterra’s look then check out Toyota’s bZ4X, which is its twin and has slightly more conservative styling, and while I do like the Subaru’s face, I think Toyota’s tail-light treatment is cleaner.

The cabin is modern with a large central media screen, a high-placed instrument display and a wide centre console with dual phone chargers. But the squareish steering wheel steals the show, completing the futuristic vibe.

This update has seen the centre console re-designed with the dual chargers added and the gear-shifter moved backwards away from the media display.

The cabin doesn’t have much in the way of glitzy touches, with dark materials dominating throughout. Hard plastics abound, but the interior still looks and feels premium.

There’s plenty of breathing room up front and in terms of storage one of the first things worth calling out are the long but relatively narrow door bins. No good for anything above unusually slender bottles, even if they’re lying down.

No conventional glove box in the dash, but there is a large lidded box (cooled and heated) between the seats that doubles as a centre armrest. It’s supplemented by a big stowage area underneath the flying buttress style centre console.  

There are two cupholders in the centre console as well as a wireless device charging pad in front of them with a vaguely phone-shaped oddments bin alongside it.  

Move to the rear and the IM5’s 75mm wheelbase advantage over the Tesla Model 3 is clear. Heaps of knee and headroom for me at 183cm sitting behind the driver’s seat set to my position. 

But… the seat sits low which pushes your knees up into the air to the point where my thighs are not contacting the seat cushion. Even though the rear seat reclines to a certain degree it’s a problem compounded by a chronic lack of room for your toes under the front seat. Awkward.

There are map pockets in the front seatbacks, modest bins in the doors and a fold-down centre armrest with two cupholders. Adjustable ventilation in the rear of the front centre console always makes life in the rear seat more pleasant.

The car also houses ‘Strong Magnets’ at various points around the cabin and boot, with a configurable adapter able to lock a phone or tablet into place for the entertainment of, in our case, back seaters. 

Speaking of devices for entertainment, there are two USB-C sockets and a 12-volt outlet in the front and another USB-C and 12V in the back, so charging isn’t an issue. 

The IM5 is a liftback so the boot aperture is generous and a capacity of 457 litres with the rear seats up is decent for a car of this size, although that’s less than the Tesla Model 3 (594L) which has an additional well under the floor. 

Still, enough room for the largest (124L) and smallest (36L) suitcases from the CarsGuide three-piece luggage set with some room to spare.

The power tailgate can be operated hands-free via the key or an always welcome under bumper kick function.

Volume expands to 1290 litres with the rear seats folded and there’s a modest 18-litre ‘frunk’ under the bonnet.

The bad news is a repair-inflator kit rather than a physical spare wheel, but the better news is the IM5 Performance can tow a 1500kg braked trailer (750kg unbraked).

The IM range also features the ‘MG iSmart’ app allowing remote control of various functions including charging, checking vehicle location and route planning. 

The steering wheel’s square design is like that for a reason - it’s designed to provide the driver with a clearer view of the instrument cluster. But as noted in the past with other vehicles that choose this set up, the ergonomics don’t work for everybody - especially if you’re tall like me (I’m 189cm).

In my case the top of the steering wheel obstructs my visibility of the display, which shows vehicle speed among other crucial info. 

There’s also a problem with the clearance of the steering wheel and my legs. This is caused by a combination of my height, the low steering wheel and the limitations of how much it can be raised, the low-hip point in the seating position and the shape of the wheel. 

Add an overly wide centre console and space for larger and taller drives becomes even more cramped.

Moving the shifter back in this update also makes it more difficult to use for me and the mechanism is quite clunky.

Second row space is a much better story, with a flat floor, good headroom and lots of legroom even for me behind my driving position. The rear door aperture isn’t great and this has made installing child car seats and the corresponding child difficult.

Cabin storage could also be better. There’s no glove box, but there is space under the centre console, although this is now where the large driver’s manual lives. There’s a large centre console bin, big door pockets and four cupholders (two up front and two in the second row).

The second row has directional air vents and USB ports. There are USB ports up front, too.

Boot capacity isn't enormous at 421 litres in the entry-grade and 410 litres in the Touring. There’s no front boot, either. Under the bonnet is the Solterra’s front motor and electrical hardware.    

The Solterra is a five seater SUV, so no third row here.

The updated Solterra is offered in two grades. An entry-grade model, simply called Solterra, lists for $63,990 and above that is the Solterra Touring for $69,990. That’s up to seven thousand dollars more affordable than pre-update.

We tested the top-of-the-range Touring, which comes loaded with standard features, the only option being leather seats.

If you were wondering if you needed to spend the extra money on the Touring you might be pleased to know both grades have exactly the same powertrain and the entry-grade comes with plenty of standard features.

Coming standard on the entry grade Solterra are 18-inch alloy wheels, LED headlights and LED tail-lights, power mirrors, puddle lamps, a powered tailgate with kick-sensor (new with the update) and roof rails. 

There’s also synthetic leather seat trim, heated and eight-way power-adjustable front seats, a heated leather steering wheel, heated second row seats, dual-zone climate control, a 14-inch multimedia touchscreen (new) and 7.0-inch driver display, wireless Android Auto and Apple CarPlay, dual wireless phone chargers (new) and a six-speaker sound system.

The Solterra Touring comes standard with all this but adds 20-inch alloy wheels, a panoramic sun roof, ventilated front seats (new) and a 10-speaker Harman Kardon sound system.

The Touring also features a 220V vehicle-to-load (V2L) power outlet.

The MG IM5 Performance is powered by an electric motor on each axle - the rear (372kW/500Nm) more powerful than the front (200kW/300Nm), for overall outputs of 572kW (that’s close to 770hp) and 802Nm of pulling power.

The official term for that amount of grunt is… a lot. And we’ll get to what it means on the road in the Driving section shortly.

The Solterra has two electric motors and as before there is one driving the front wheels, and one driving the rear wheels for all-wheel drive. Toyota’s bZ4X twin can be had in two-wheel drive and AWD.

The big news is the motors are now more powerful. Much more powerful. Combined output is 252KW (up from 160kW). That’s a huge increase but power is still less than the output of a Model Y or Zeekr 7X.

The front motor now makes 167kW/268Nm, while the rear motor produces 88kW/169Nm. Acceleration from 0-100km/h is about five seconds and that’s almost two seconds faster than the old version. 

The MG IM5 Performance features an 800-volt electrical architecture which means the 100kWh NCM battery can accept a DC peak charge of close to 400kW.

Only snag is the highest you’ll currently find in Australia is 350kW. But even at that rate you’ll still be looking at a 30-80 per cent charge in just over 15 minutes. Maximum AC charge rate is 11kW.

Claimed range is 575km (WLTP) which is less than the Tesla Model 3 Dual Motor AWD at 629km.

Over a week of city, suburban and some freeway running we saw average energy use of 20.6kWh/100km which is on the high side for an EV of this size but maybe not for one with this kind of performance potential. 

The updated Soltera’s battery size has increased to 74.7kWh. That’s up from 71.4kWh and means driving range has increased. 

The new, larger lithium ion battery delivers a range of 566km (WLTP) in the entry-grade Solterra (up from 414km). That addresses a big concern about the old car. The Touring has a range of 517km and any range above 500km is acceptable in my book.

Also big news is the increase in maximum AC charging capacity from 11kW to 22kW. DC charging capacity is the same at 150kW with 0-80 per cent charge in about 30 minutes.

Consumption officially ranges from about 14.6kWh/100km in the entry-grade Solterra to 16.0kW/100km in the Touring. The Touring we tested was reporting 17.0kW/100km according to the trip computer after 163km of testing in mainly urban conditions. 

First things first, the IM5 Performance is supercar fast. This 2.3-tonne five-seater blazes from 0-100km/h 3.2 seconds and with its dual motors combining to produce 572kW/802Nm, eye-widening performance always resides underneath your right foot.

But it’s not all about straight line speed. Ride comfort is excellent. Underpinned by an all-new platform, the IM5’s suspension is by double wishbones at the front and multi-links at the rear. But the key to its bump and rut smoothing ability is air suspension and ‘continuous control’ active damping.

Fold in double-glazing on the full-length glass roof and side windows, as well as active noise cancellation and you have a serene interior environment at any speed. Also worth noting the front seats are great; as grippy as they are comfortable.

Not only that, despite its relative heft, this mid-sizer steers well, too. Not the last word in road feel but it points accurately and the standard rear steering helps with prompt (but never jerky) cornering turn-in. Flick to ‘Sport’ mode and the IM5 is up for some enthusiastic running.

The rear wheels can turn up to 12 degrees in the opposite direction to the fronts at slow speed, which makes for a usefully tight 10-metre turning circle. But above that, at lesser angles, it adds extra stability and decisiveness in the way the car steers through even tight, twisty sections.

Rubber is top-shelf Pirelli P Zeros on 20-inch alloys (245/40 fr - 275/35 rr) and it grips hard, especially in the wet weather over much of the test period. Braking is solid, as it needs to be, with ventilated discs all around and four-piston callipers at the front. 

No adjustable regen braking but you can feel the ‘Cooperative Regenerative Brake System’ (CRBS) doing its thing when you lift off the accelerator. 

The physical rear view is modest thanks to the slope of the back window reducing its functional area for the driver to that of a 1950s VW Beetle. Even the interior rear-view mirror is tiny and folds up into a recess in the headliner if you’d prefer life without it.

But that’s where a rear camera view popping up on the upper screen display (accessed via the right-hand steering wheel click control) comes in handy. Side camera views are also available as is a 360-degree overhead view, which makes parking straightforward.

If you need more parking help there are various self-parking modes including a nifty ‘Curbside’ function that will realign the car hands-free if you’re parallel parked too far out from the kerb.

In a similar vein, a ‘Rainy Night’ mode projects left and right rear views onto the main screen using AI to enhance clarity and highlight pedestrians and cars.

Overall the ADAS (Advanced Driver Assistance Systems) are relatively unobtrusive but we found ourselves switching off the incessant overspeed chime that sounds for 10 seconds if you creep over the indicated speed limit, even when the system has misfired on the correct speed. For example, 40km/h school zones on a Sunday.

The over-zealous driver distraction warning also occasionally issued a visual and audible slap on the wrist when I was looking straight ahead. Tellingly, there’s a specific quick screen for turning both these functions off, but it kinda defeats the purpose of having them in the first place.

We also found the adaptive cruise control to be hesitant in multi-lane environments, reducing speed occasionally because the system seemingly believed a car was set to merge, when it wasn’t.

The Solterra may slightly lag behind rivals in some areas such as range and power output, but where most rivals can barely touch it is when it comes to driving.

Currently there aren’t many electric vehicles that are good to drive, except for more prestige offerings from brands such as BMW, Mercedes-Benz and Porsche. 

The Solterra is one of the best electric vehicles I have driven at this price point and it’s down to the outstanding platform it shares with the Toyota bZ4X which provides superb ride comfort, great handling and excellent steering.

Acceleration is strong and traction from the all-wheel drive is good.

Sure, while the driving position needs improvement, the car itself is excellent to drive.

Visibility is also good and sound intrusion is minimal. We noticed some materials making noises in the cabin. Although this is common, with no engine to mask it, it becomes more noticeable in EVs. 

The Solterra has been awarded the maximum five-star ANCAP rating - but that was given under 2022 testing criteria and the bar has been raised quite a lot higher since then. 

Still, the level of safety technology is high with AEB, lane keeping assistance, blind spot warning and rear cross traffic alert onboard. 

Front and rear parking sensors are standard on both grades, as is a 360 degree camera view. Auto parking is standard on the Touring.

A digital rear vision mirror is also standard on both grades providing a clear and unobstructed view.

There are seven airbags present, including a front centre bag. And there are three child seat top tether points across the second row with ISOFIX anchors in the two outer positions.

The MG IM5 Performance is covered by a seven-year/unlimited km warranty, which is a plus, but the catch is it’s conditional on authorised dealer servicing. Go elsewhere and the term drops to a more common five years/unlimited km. The drive battery is covered for eight years/160,000km, which is the norm in the Aussie market

Servicing is required every 12 months or 20,000km with charges averaging $586 per workshop visit for the first five years, which is on the high side for an EV, even at this price point, the average bumped up by a more than $1400 doozy at year four.

MG IM models are sold (with service available) through all of MG’s 100-plus dealerships across the country, so no concerns there.

The Solterra is covered by Subaru’s five-year, unlimited-kilometre warranty which is falling behind the seven-year warranty offered by many now. The battery is covered  by an eight-year, 160,000km warranty. 

There is also five years of capped price servicing with each yearly/15,000km service costing between $130-$300. That’s a very reasonable price.