BMW M4 vs BMW i Series
What's the difference?

BMW M4

—

2025 price

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BMW i Series

$88,900 - $233,400

2026 price

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Aston Martin Vanquish

Lamborghini Aventador

Mercedes-Benz C-Class

Mercedes-Benz C43

Mercedes-Benz C63

Mercedes-Benz CLA-Class

Mercedes-Benz CLS-Class

Mercedes-Benz E-Class

Mercedes-Benz E53

Mercedes-Benz S-Class

Mercedes-Benz SL-Class

Rolls-Royce Spectre (bev)

Toyota Supra

Summary

2025 BMW M4

2026 BMW i Series

By Andrew Chesterton

By Emily Agar

Safety Rating

Engine Type

Turbo 6, 3.0L

Electric motor type

Electromagnetically Excited

Fuel Type

Premium Unleaded Petrol

Vehicle type

Battery Electric

Fuel Efficiency

10.2L/100km (combined)

Electric range

805 km

Energy consumption

18.8 kWh/100km

Battery capacity

108.70 kWh

Seating

Likes

Brutal performance
Tons of kerb appeal
No-compromise approach to speed

Great driving range
Spacious cabin for the whole family
Excellent real-world efficiency

Dislikes

Uncomfortable in the city
Hard-edged seats a necessary evil
Fuel bill will be sizeable

Optioned wheels hurt range
Fussy ride on rough roads
Missing features for flagship grade

2025 BMW M4 Summary

To say the BMW M4 CS is a hot ticket in Australia is something of an understatement.

Consider this. There is an even more expensive one, the M4 CS Edition VR46 – at a cool $346,900 – and it sold out in less than an hour. Now, granted, Australia only got four examples, but still, demand was running hot.

That car makes this one, the regular M4 CS, seem like an absolute steal. It's only $254,900 (yes, the word 'only' is doing a lot of heavy lifting in that sentence), and it shares the same upgrades, and makes the same monstrous power, as the VR46 – for Valentino Rossi’s 46th birthday – only it does it for around $100K less.

See? A bargain. At least, that's how I'd be justifying it to myself if I had a quarter of a million burning a hole in my pocket.

So, this or a Porsche 911? Read on.

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2026 BMW i Series Summary

We’re in the new BMW iX3, the first production model to arrive on BMW’s Neue Klasse (new class) EV architecture. We’re testing the flagship 50 xDrive, and it begs the question: has BMW actually managed to make its next generation of EVs feel like a proper Bimmer? Buyers expect a lot from that badge when it comes to ride and handling, so does this electric SUV actually deliver?

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Deep dive comparison

2025 BMW M4 2026 BMW i Series

Verdict

Brutal, bruising and utterly brilliant, the M4 CS will be an acquired taste due to its no-compromise approach, but those willing to take the leap will find a performance car like few others at their disposal.

Verdict

The BMW iX3 50 xDrive is a seriously quick electric SUV that earns points for its family practicality, while its impressive range could go a long way towards easing range anxiety. The ride isn’t always as settled as I’d like, but for the most part, this is a well-executed premium EV.

BMW M4 vs BMW i Series What's the difference?

Summary

Deep dive comparison

Verdict

Verdict

BMW M4 vs BMW i Series
What's the difference?