Mercedes S coupes compared to Audi S5 / RS5 coupes
Granted, it's a Mercedes forum and will solicit Audi opinions across the aisle, but what I'm hoping someone could speak to in their experience:
1. Comparisons in interior materials and build quality;
2. Ride quality from a NVH standpoint / how quiet in daily driving / how comfy on subpar roads;
3. Any general observations, and;
4. Not really related, but just how functional is the boosting capability of Audi phone box? I live in an area with some spots of fringe reception with both Verizon and FirstNet (protected gov/private cooperative AT&T network), both of which I've used here.
In the luxury/plush versus sporty continuum, I'm more towards the former but still need some oomph.
Thanks in advance.




You are comparing a vw to a mb .
Then I stepped into my first ever MB: a (pre-facelift) S63 AMG Cabriolet.............and never looked back since. After a few years I upgraded to the facelifted S63 (then comparing it with the new Bentley Continental GTC, which gives you an idea in which league the S63 is operating). It is a huge difference in build quality, interior, drive comfort, etc, etc. with the Audi S5/RS5. It is a totally different league. The RS5 maybe can be compared on these aspects with a C63, and the S63 more with a S8 (but no Coupes or Cabriolets from that model).
And now Audi even downsized the RS5 to V6 engines, it is definitiely a no-go for me (as a person who drive Audi for 20 years!), but even with a V8 I would not go back, only when they come with a S9/A9 Coupe or Convertible or something.
Last edited by HAWKiS63; May 18, 2020 at 04:50 AM.
Poking around like in the OP also makes me wonder about the S7 as a different alternative. Sportback versus coupe, sure, but any experience with those? Seems to be perhaps a little more towards the Mercedes S realm.
As mentioned, there is NO comparison between the two cars. A couple of years back I was "hot" for the RS5 coupe so I drove the Audi. Then had my wife drive it. She came back and couldn't believe I was even considering it. Too small, not substantial, too this too that, I won't buy a vehicle unless I know she'll enjoy driving it too. I then test drove a 6 series BMW Coupe.... the 6 is one of the best cars I've ever owned and I never get tired of it. Even though on paper, it's slower than my S63, it just feels zooomy. Quality of fit and finish is top notch. The S63 is the charmer, the BMW is the one I take if I feel a little "frogy" and want to go for a spirited drive. So if you pass on another MB, just check out the M850i. You can pick one up with a few miles on it for a great value. Second, in my opinion, only to the S63 in interior quality and luxury and just a notch above in tech. The M850 sounds better than an AMG GT, has all wheel steering and is a well build car with bags of power. Then again???
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Jag XK's were great, S550 are great as far as not having to look at a 'B' pillar when your looking to the left/behind. CLS are NOT coupes and never will be until they rid it of 'B' pillars and four doors. CLS are nice looking cars otherwise.



