12-09-2019, 01:42 PM | #23 |
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Swiss guy, is that actually true? All X7s are manufactured in the US so are they coding cars that are sold outside of the US differently? I read that the 22s have a higher speed limiter.
Mitch 57, are you comparing to the M50 engine with the 523 hp output? Or to the non-M V8 with mid 400’s?
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12-09-2019, 01:44 PM | #24 | |
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I have the 40i and have no problems with adaptive cruise control at 95mph even going up 6 percent grades. The m50i would be great if you want to go 200km/hr with reserve. |
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12-09-2019, 02:03 PM | #25 | |
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Initially, I never considered the V8 for the same reasons but the launch of the M50i changed my opinion. It also matters how you are using the vehicle (i.e. how much you drive). I ran some numbers and the insurance premium was almost identical compared to the 40i. Based on the low mileage I drive, additional gas might cost me $20/month and due to the fact that I would have gotten a fully loaded 40i anyway, the difference in base price between the 40i and M50i of $25,700 shrunk to less than $16,000. Since I'm leasing, I'm only paying about 40% (plus interest) of that difference or in other words, $180/month more. All in all, the M50i cost me an additional $200/month. A price I was willing to pay for the additional performance, sport exhaust system, sport differential and laser lights. But as I said, it was basically a 50/50-decision. Fact is, you can't go wrong with any X7.
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12-09-2019, 03:20 PM | #26 | |
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If we are being technical, the Porsche family own the controlling interest of the VW group. Porsche is going to take over the Lamborghini brand from Audi group very soon.
FYI. The Urus is based on the Cayenne. Chassis is from the Cayenne, engine is from the Cayenne Turbo with the boost dialed way up and the infotainment screens on the inside is from the Taycan. Quote:
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12-09-2019, 03:30 PM | #27 |
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The X7 is a big heavy car at 5500lbs. If you have full passengers on board, you will need every single one of those 523hp (M50i) on tap.when you are driving fast, the bigger motor is actually more economical when you are driving fast because the engine has more in reserve and it doesn't need to be on boost all the time compared to the 6 cylinder.
Modern turbo engines is very misleading when it comes to fuel economy. Many people doesn't understand the engineering behind it thinks that a smaller displacement engine is more fuel efficient. That is only true when you are on a flat surface cruising at highway speed. If you are ever going on a hill or driving a little bit more spirited, the smaller displacement (eg. X7 40i), will actually burn more gas than the V8 model because it's always on boost. Put simply, the smaller displacement engine needs to work a lot harder than the bigger engine in those circumstances.
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12-09-2019, 03:55 PM | #28 | |
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At any rate, the M50i is 1.3 seconds quicker to 60 MPH than the 40i — which would feel massively different. (I will admit I'm not entirely sure what the point of the 50i is now, however. Too much of a price jump over the 40i to not be able to justify just going all the way to the M50i. I guess unless you really hate the M appearance maybe.) But 0-60 times are only part of the story. Accelerating fast from a dead stop is fun and all, but I'd actually be more interested to learn how long it takes the 40i and M50i to get from, say, 60-80 MPH or something. |
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12-09-2019, 04:50 PM | #29 |
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This kind of stinks...
Thanks for the information and I am glad I discovered this forum.
I was reading about all season tires and hi performance tires. Never knew the difference. So, thanks to you guys, I looked at my build. (Darn dot has not moved yet since 11-27) I have the M Sport package and will be getting hi perf run flat tires. I called the dealer to see if I could change them to all seasons and I kind of can't. I know I would have to drop down to 21's and they make a black 21 inch tire, but it is not available with the interior color I am getting? What does the interior color have to do with what tire I run? The dealer was nice enough to let me order a whole other set of wheels and tires for the winter and will store the set I am not using lol... There goes another $4500 Why on earth will one 21" tire work but not another 21" with the M Sport package? Now my 'summer' tires will be 22's and in the winter 21's. Seems strange to me. Will the car need to be recalibrated after the swap each year? |
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12-09-2019, 06:17 PM | #30 | |
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12-09-2019, 06:18 PM | #31 |
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I went with the 21s for here in the Northeast and didn't want to have another car to swap from Summer-to-Winter. The all-seasons fair very well so far and pull just as hard.
I don't know where my wife is going to pull 155mph with the kids inside the M50i so that's not a feature we're going to miss.
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12-09-2019, 07:06 PM | #32 |
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I agree 100%! Coming out of a 2017 GLS 63AMG, we were 100% happy with the 40i and I know that it is only a matter of time before I can bump the base numbers with Dinan is need be.
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12-09-2019, 08:47 PM | #33 |
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07-29-2020, 12:45 PM | #34 |
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We decided to go with 21" on my M50i order to avoid having to swap out during winter and relatively inexpensive replacement cost ($1K for full set).
Question - looks like these are 9.5" vs 22" has 10.5" in the back. I wonder if this width is noticeable from the back view (ie, doesn't look as aggressive as the 22" with wider wheel/tires)? Or does 21" have lower offset to make the wheels stick out as much as 22"? I know on my X5, there was a pretty big difference in the way the truck looked between staggered 20 vs 19. Thanks |
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07-29-2020, 12:57 PM | #35 | |
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There's a noticeable difference between 285 vs 315s on the back though most won't notice, question is how much will you? 50i with 21" M50i with 22"
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Last edited by Auricom; 07-29-2020 at 01:15 PM.. |
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07-29-2020, 01:24 PM | #36 |
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I have X7 4.0i with 21" all seasons..
If I got the M50i, for sure I would go 22" with summer tires. If you are going big power you need more tire for cornerning and braking. The braking distance is significantly shorter with the M-Brake Package and the 22s vs. the all seasons. If you disagree, you are not hard core performance driver, and can probably live with the 4.0i and all seasons. If you have the $$ to get an M50i, you can afford to a set of winters if needed or can rent a Tahoe/Suburban etc...for the ski trips if you live in a place like CA. |
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07-29-2020, 02:29 PM | #37 | |
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07-29-2020, 03:57 PM | #38 |
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I am going with the BMW 752 with AS tires for my winter setup to travel from PA to Florida. I don’t want winter tires in Miami in February so the AS is the only right choice. I did this in my X5 with 20” AS tires and had zero issues when I hit a snow storm on my way back in Virginia.
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07-29-2020, 03:58 PM | #39 | |
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07-29-2020, 04:08 PM | #40 | ||
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Looking back to the MY2020 ordering/pricing guide, it does not appear that Increased Top Speed Limiter (840) was available to add with any available wheel/tire combo. |
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07-29-2020, 05:25 PM | #41 | |
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70mph-0 Braking/ Skid pad X7 M50i: 152 feet, .83G 22" wheels with Pirelli Pzero RFT. Test weight: 5,742 X7 50i: 169 ft, .80G, 21" wheels with continental RFT, test weight 5650lbs X7 40i: 184ft, 21" wheels with Bridgestone RFT...5,337 test weight. Wow, I kinda wish I stay with Continental when I replaced tire recently. Skid Pad X |
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07-29-2020, 05:50 PM | #42 |
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Majority of USA X7 owners aren't going to be skid padding or push the limits of their engines on a daily basis. That said, it's great to know that a XL SAV can deliver those numbers and performance.
For most X7s owners A/S tires offers year round versatility for daily driving and enough performance for a Whole Foods run.
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07-29-2020, 11:29 PM | #44 |
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I would assume this is the case unless the 21"s are cast and the 22's are forged.
With that being said, the 23's on the Alpina are over 28lbs lighter compared to the 21's. Go figure! That is over 7lbs a corner saved...
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