Reviews BMW 420d GranCoupe M-Sport Review


Centurion

Apex Apex Predator
Hey everyone

Last month when I took my car in for oil and filter service. It was a golden opportunity to use the loaner car as a way of experiencing a different BMW. By different, I don’t mean a brown 116i Modern but a equal or more prestigious to mine.

I was hoping to get a 5-series but instead got a 420d GranCoupe M Sport. Although it’s technically a 3-Series, it couldn’t be much more different to my 320d. Instead of black and luxurious it’s silver and sporty. It’s a tale a coin with two different sides and a testament that the 3-Series isn’t a one-size fits all, but can be specced and customized to your personality.

What I was most excited about, was to give the M-Suspension a 3 day test and enjoyed covering 120 miles in the car.


Loaner Car: 420d GranCoupe M-Sport

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My car: 320d Luxury

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Exterior: The 4-Series is an absolute looker. Cynics will tell you it’s just a coupe shaped 3-series, but your heart will tell you otherwise. In arctic silver the car is sexy with all the curves and creases brightly exposed for your eyes to follow.

Driving the car my testosterone levels were higher and I felt more athletic. Interestingly the car draws considerably more eye than my 320d. However most of the attention were from dude-bros either behind the wheel of a 4-Series or a 1-Series.

The cherries on top were the Angel Eyes and M-steering wheel. They make a big visual impact on interior and exterior. I wish I had them on my car and could buy the sports steering wheel for £300.

If you want a commuter that stands out then this is it. The headroom may be a notch low at the back but the shape of roof a brings the practicality of a hatch which is great for hauling big boxes when required. It came in hand when a friend need to abandoned all but the wheels of his bicycle and needed a lift home along with three others.

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M-Suspension: A common choir being sung is that the F30 is not as sporty as the E90. It’s a controversial statement that both true and false. Although I enjoy driving my car, it has slightly too much body roll and more tuned to comfort than sportiness. The M-Suspension changes that and more.

It reduces on-throttle oversteer and makes the car more composed in hasty change in direction. The difference is like playing football with studded shoes versus trainers. The car epitomizes the tag line “Ultimate Driving Machine” and is the most fun I’ve ever had in a four door car.

When you just wanted to cruise the ride was not compliant. Prior to driving the car I didn’t know that British roads were bad, but now I do. Even at 5-10mph I could feel the slighest unevenness of the road and had my head frequently bouncing off the headrest. It wasn't harsh but bumpy.

This is not solely the fault of the M-Suspension but of it in combination with the low-profile tyres on 19 inch rims. Driving over speed bumps jerked the affected corner of the car and sometimes produced a loud knock. It’s a sign that there’s not enough suspension and cushioning in tyre.


Drive-train: Chris Harris touted that the 320d more than enough power. The correction I propose to that statement is that the 320d offer ample power for 80% of driving needs. For commuting it packs good power for effortless take-offs from a green light and gives confidence in overtaking.

What makes the 2.0 diesel a working class hero is its ability in combing punchy power with unbelievable fuel efficiency. On my 40 mile commute to work I average 44.4mpg. For contrast, a friend of mine has a Tourer BMW motor cycle and averages 55mpg. The difference is that a 3 or 4-series can accommodate 4 adults and luggage.

Few engines are perfect and the catch here is noise. It’s a diesel and despite good insulation the engine is noisy at idle and at high revs. The automatic gearbox does a good job at shifting early but a gasoline engine of equivalent power is much quieter.

As a bonus the car has paddle shifter. However the engine and gearbox don’t have the right characters to bring joy out of them.


Conclusion: BMW may have the fastest growing SUV range of the Germany trio but haven’t lost their way in making cars that make you smile. The 420d GC M-Sport epitomizes why German cars are so beloved. It’s fast, sophisticated, commanding in it’s driving characteristics and beautiful eye candy at a price that’s within reach to millions.

If you want the Ultimate Driving Machine then don’t hesitate on M-suspension but unless your local roads are smooth as an airport run way I recommend 18 inch rims.


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I adore the 4er Gran Coupe and would have one over a 3er in heartbeat. Unless, I'm spending my business' money and that's why I just got an LCI 320d.
 
I adore the 4er Gran Coupe and would have one over a 3er in heartbeat. Unless, I'm spending my business' money and that's why I just got an LCI 320d.

Nice review Luw. I actually felt differently to you and Martin am of the view that while it's attractive, the 4-series gran-coupe is neither sexy enough nor elegant enough to justify the AUD$15-$20k premium BMW Australia is asking over the 3-series. For that sort of differential the car has to be an absolute knock out externally and internally. And it just isn't different enough from the 3-series for that sort of money.

I just signed up on a 40th Anniversary 340i because it was about $10K cheaper than a comparable 428i. And even then the 428i misses out on the gorgeous interior appointments that the anniversary edition came with.


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Nice review Luw. I actually felt differently to you and Martin am of the view that while it's attractive, the 4-series gran-coupe is neither sexy enough nor elegant enough to justify the AUD$15-$20k premium BMW Australia is asking over the 3-series. For that sort of differential the car has to be an absolute knock out externally and internally. And it just isn't different enough from the 3-series for that sort of money.

I just signed up on a 40th Anniversary 340i because it was about $10K cheaper than a comparable 428i. And even then the 428i misses out on the gorgeous interior appointments that the anniversary edition came with.


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The 4-Series GC is not a value proposition but here in the UK the difference between it and the 3-Series is closer to AUD$10k if you use the configurator. I find that acceptable. However the ones on the dealers floor are typically specced more generously than a 3-Series with a comparable engine. The one I drove for example, had heated seats, sunroof, Professional media, memory seats, through-load and adaptive headlights.


Congrats on the 340i AED. The full leather will make for very special experience, and the white piping is a nice touch too. Can you explain the HVAC controls? I've never seen those before.
 
I think those are just photoshopped pictures. The actual car has different HVAC controls.

After the LCI the 3 series is now much more generously equipped than the 4GC. And we can thank the Mercedes C-class for that!
 
Enjoyed you post, Centurion, both for its content and how it was written.

Mr. Mercedes touched on this, but for a comparatively specced car, do you think the premium the 4GC commands is worthwhile over a 3er?
 
Enjoyed you post, Centurion, both for its content and how it was written.

Mr. Mercedes touched on this, but for a comparatively specced car, do you think the premium the 4GC commands is worthwhile over a 3er?

Thanks!

If you are buying new, the premium is worth it. Used however, the premium might not be worth it. The loaner I had is now on the market with 6k miles for £34,000.

Because of supply and demand you can get an identically specced 320d M Sport with the same milages £23,000. That's a £10k premium for a car that's not superior but just looks a bit different.
 

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