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Range Rover All-Wheel-Drive system - denis pelletier - 24-09-2011 06:07pm
I was surprised by the lack of controls some AWD systems demonstrate when two of the 4 wheels are free spinning (on ice for example). I own a Lexus and I now realize that the AWD
is not at all as capable as I first thought.
I realize that the AWD theme is broad and highly technical and after reviewing some of the most popular AWD cars (Lexus, Audi, Subaru, Acura, BMW, Range Rover) I concluded that Acura, BMW and Range Rover seem to have decent systems when it comes to "free wheeling" situations. (There are quite a few videos on youtube, frankly ambarrasing for the likes of Lexus and Audi). The one that is most impressive is Subaru that can handle up to 3 free-wheeling wheels out of 4 and move up a hill!
I would be interested to learn more about the Range Rover (Evoque) AWD system. Has there been a comparison of the AWD system with other platforms? How does it compare to the best systems out there?
This issue with the AWD is a deal breaker for me when it comes to the Q5 and Lexus RX350. I am considering the Evoque Prestige
Here is link for the Lexus, Acura and Audi comparison. It is a similar test that I have often seen the Evoque handle without problem; 20 degree uphill with one side of the car on ice.
RE: Range Rover All-Wheel-Drive system - XFullFatTim - 24-09-2011 07:08pm
It's all down to the traction control system that they use. The clever systems brake the wheels that have lost grip, using the ABS system to sense slippage and send the power to the wheels with the grip. The Audi in that video also did something that is extremely dangerous, getting the car cross slope which as well as causing the slide could also cause the car to roll over. If you ever attend a Land Rover Experience Centre they show you a party trick that the modern cars can do that Defender cannot do - the cross axle situation with 2 diagonally opposite wheels "flying". If the Defender were not fitted with the optional traction control it would get stuck with all the power sent to the two flying wheels, the modern cars with electronic systems just brake the flying wheels and send the power to where the grip is and drive off. That is one of the reasons for the second little terrapod humpy bit, to get the car balanced on 2 wheels and stop it then drive off
RE: Range Rover All-Wheel-Drive system - denis pelletier - 24-09-2011 07:38pm
(24-09-2011 07:08pm)XFullFatTim Wrote: It's all down to the traction control system that they use. The clever systems brake the wheels that have lost grip, using the ABS system to sense slippage and send the power to the wheels with the grip. The Audi in that video also did something that is extremely dangerous, getting the car cross slope which as well as causing the slide could also cause the car to roll over. If you ever attend a Land Rover Experience Centre they show you a party trick that the modern cars can do that Defender cannot do - the cross axle situation with 2 diagonally opposite wheels "flying". If the Defender were not fitted with the optional traction control it would get stuck with all the power sent to the two flying wheels, the modern cars with electronic systems just brake the flying wheels and send the power to where the grip is and drive off. That is one of the reasons for the second little terrapod humpy bit, to get the car balanced on 2 wheels and stop it then drive offI have seen numerous videos of the Evoque on the terrapod. I never realized how demanding this maneuver was for most vehicles. Traction control, body rigidity all play a very important role. In fact I have seen the Audi Q5 fail the terrapod test. It got stuck on top and could not get past the point where the two opposite x-wheels where suspended in the air. BMW seems to be doing alot better with their x-drive system.
Today I checked the Q5 MY2012; beautiful car, right size, $5000 cheaper than RR Evoque but I can't get past the fact that it has a flawed AWD system.
I will get myself a firenze red evoque in the prestige trim! According to the delarship in Montreal, the car could be here early January.
RE: Range Rover All-Wheel-Drive system - rchrdleigh - 24-09-2011 09:11pm
Having driven both an Evoque and an Audi Q5 on a test track I would not even consider the Q5 as an option.
Evoque has a highly capable 4 wheel drive system which as previous posters have stated will cope admirably with two wheels off the ground and still let you move. I saw an Evoque going through an axle twister at one of the Experience Centres and even with two wheels off the ground it went through the obstacle.
RE: Range Rover All-Wheel-Drive system - Gorjan - 24-09-2011 09:49pm
The two wheels in the air thing is not such a tough thing to do as it seems for many 4wd systems these days (except Audi...):
RE: Range Rover All-Wheel-Drive system - mark_n - 24-09-2011 10:33pm
I think it's wrong to think of the Audi Q5 as flawed. It has a set of capabilities and is built to a price. The Evoque is more capable but more expensive. It's unfortunate that the ignorant press don't compare like with like before shouting from the roof-tops that the RRE is over-priced.
The Subaru 4WD system is more basic than the RRE but still works quite well, it's problem is lack of ground clearance which can leave the car beached.
RE: Range Rover All-Wheel-Drive system - Jonathon555 - 24-09-2011 10:45pm
I think the Evoque is well covered
RE: Range Rover All-Wheel-Drive system - denis pelletier - 24-09-2011 11:04pm
(24-09-2011 10:33pm)mark_n Wrote: I think it's wrong to think of the Audi Q5 as flawed. It has a set of capabilities and is built to a price. The Evoque is more capable but more expensive. It's unfortunate that the ignorant press don't compare like with like before shouting from the roof-tops that the RRE is over-priced.
The Subaru 4WD system is more basic than the RRE but still works quite well, it's problem is lack of ground clearance which can leave the car beached.
Pound for pound, feature for feature, the Evoque is the most expensive in its category, at least in Canada not sure in the UK. But that's the price to pay to drive a Range Rover. Here is how I feel about the competition when compared to the Evoque:
Vehicle ------ Design/Appearance ------- Off road performance ------- Comfort/Cockpit
Q5
X3
RX350
Evoque
:
RE: Range Rover All-Wheel-Drive system - Evoqess - 24-09-2011 11:22pm
Haha, I like that the Evoque gets the bows Denis!
It's interesting. A Subaru salesperson told me that the Subaru and Audi Quattro systems reign supreme but I think he was talking about everyday driving in Vancouver in the winter on slightly rougher and slippery roads.
RE: Range Rover All-Wheel-Drive system - Gorjan - 25-09-2011 04:03am
[quite]
Vehicle ------ Design/Appearance ------- Off road performance ------- Comfort/Cockpit
Q5
X3
RX350
Evoque
:[/quote]
Why did yiu give the Evoque
For comfort/cockpit? I think it is nicer than x3 inside and should be mory comfy...