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BMW M440I vs BMW M8

What's the difference?

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BMW M440I
BMW M440I

$72,990 - $86,900

2021 price

BMW M8
BMW M8

2021 price

Summary

2021 BMW M440I
2021 BMW M8
Safety Rating

Engine Type
Turbo 6, 3.0L

Twin Turbo V8, 4.4L
Fuel Type
Premium Unleaded Petrol

Premium Unleaded Petrol
Fuel Efficiency
7.8L/100km (combined)

10.4L/100km (combined)
Seating
4

4
Dislikes
  • Squeezy rear seats
  • 420i/430i starts to get thrashy in high revs
  • Adaptive cruise should be standard

  • Firm ride
  • Tight rear headroom
  • Mediocre warranty
2021 BMW M440I Summary

When BMW’s first-generation 4 Series landed in 2013, it looked and drove like little more than a 3 Series sedan minus the two rear doors, and that’s because it was.

For the second-generation version though, BMW have decided to try its best to differentiate the 4 from the 3 Series, adding a unique front end and slight mechanical tweaks.

Sure, the looks might not be to everyone’s taste, but surely BMW’s renowned driver-focused dynamics will be enough for the 4 Series to carve out its niche in the premium sports coupe space … right?

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2021 BMW M8 Summary

The right lane on Aussie freeways is occasionally referred to as the ‘fast lane’, which is laughable because the highest legal speed in the entire country is 130km/h (81mph). And that’s only on a few stretches in the Top End. Other than that, 110km/h (68mph) is all you’re getting.

Sure, a 'buck thirty' isn’t hanging around, but the subject of this review is a 460kW (625hp) four-door missile, capable of accelerating from 0-100 km/h in 3.2 seconds, and on to a maximum velocity somewhat in excess of our legal limit. 

Fact is, the BMW M8 Competition Gran Coupe is born and bred in Germany, where the autobahn’s left lane is serious territory, with open speed sections, and the car itself the only thing holding you back. In this case, to no less than 305km/h (190mph)!

Which begs the question, isn’t steering this machine onto an Aussie highway like cracking a walnut with a twin-turbo, V8-powered sledgehammer?

Well, yes, But by that logic a whole bunch of high-end, ultra high-performance cars would instantly become surplus to requirements here. Yet they continue to sell, in healthy numbers.  

So, there’s got to be more to it. Time to investigate.

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Deep dive comparison

2021 BMW M440I 2021 BMW M8

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