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Acura RDX vs Mazda CX-7

216 messages,  Last post on Aug 10, 2009 at 11:24 AM

You are in the Mazda CX-7 Forum. Your Hosts are steve_ & tidester

What is this discussion about? Acura RDX, Mazda CX-7, SUV


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#167 of 216
Re: New Tribuca [guelerct] by vbbuilt
May 11, 2007 (4:55 am)
Reply

Replying to: guelerct (May 11, 2007 3:51 am)

Hmmm, interesting. If it's that bad, I wonder why more people haven't spoke up about it? Surely, you're not the only person with that complaint.
 
So, how do you like the RDX? What's the feature you like the most?
 
Later, Vince.
#168 of 216
Re: New Tribuca [vbbuilt] by aviboy97
May 11, 2007 (5:55 am)
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Replying to: vbbuilt (May 11, 2007 3:31 am)

So Aviboy, what do you attribute to the difference in the language? Could it be that Mazda has modified the engine so that premium is recommended vice required?
 

 
There has been a lot of chatter on the net about Mazda re engineering the engine to run on regular, with no issue of preignition. What exactly they are doing? I do not know, I am not an engineer.
 
Has Mazda officially announced this? No. But there has been loads of talk about it. This is why I originally stated "rumor has it..."
 
http://www.mazdas247.com/forum/showthread.php?t=123666102&highlight=cx-7+regular- +fuel
#169 of 216
Re: New Tribuca [aviboy97] by xgbt
May 15, 2007 (7:38 am)
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Replying to: aviboy97 (May 11, 2007 5:55 am)

Have we seen any turbo engine running on regular gas ? I have not...
 
If running on regular means a loss of 30hp I wonder if anyone would want to do so.
 
BTW, are there any other change in the 2008 model ?
#170 of 216
Re: New Tribuca [xgbt] by aviboy97
May 17, 2007 (9:39 am)
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Replying to: xgbt (May 15, 2007 7:38 am)

The whole reason a turbo engine runs of premium is because of the compression ratio. Regular fuel burns at a lower temperature then premium does.
#171 of 216
Re: New Tribuca [aviboy97] by carlitos92
May 18, 2007 (12:52 pm)
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Replying to: aviboy97 (May 17, 2007 9:39 am)

Well, direct injection's cooling effect would mitigate the octane requirement, but manufacturers usually bump up the compression ratio even higher to get more power rather than run the car on regular unleaded. This is the case for the CX-7 - it really has a compression ratio that would be unusual for a normal EFI turbo.
#172 of 216
Re: New Tribuca [carlitos92] by aviboy97
May 19, 2007 (5:48 am)
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Replying to: carlitos92 (May 18, 2007 12:52 pm)

Agreed
#173 of 216
My Test Drives by xgbt
May 19, 2007 (5:27 pm)
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Had a test drive on both the RDX and CX-7 recently. Here are the differences to a non-aggressive driver.
 
Ride
Both are firm, but the CX-7 is more compliant and comfortable. The RDX is a bit jittery on less than perfect surface that you feel every bump.
 
Acceleration
CX-7 is sluggish off the line; RDX is smoother when accelerating from a stop and in stop-and-go situation. Once rolling, however, CX-7 is smooth and has strong mid-range power. RDX is also strong but feels busy like reviving a typical 4-cylinder whereas CX-7 is muted like a V6.
  
Handling
The steering on RDX is lighter, and so is its gas pedal. Together with a more up-right driving posture, it is much easier to drive around town. CX-7 has heavier steering and gas pedal - good on the highway - but takes more effort and feels heavy in parking lot and other tight maneuver. I would describe RDX as a city warrior and the CX-7 as highway cruiser.
 
Seating comfort
Seating is more up-right in RDX as in most SUV's. Inside CX-7 you naturally sit more reclined as in a sedan, and the front seats (leather) are very comfortable. The rear seat cushion in CX-7 is a bit low whereas the RDX is chair-high and provides more thigh support despite a slightly uneven floor.
 
My personal opinion
I drive a lot in the city so I like the light and easy maneuver of the RDX and its smooth launch. However, the ride and the mid-range performance of CX-7 are more refined giving it a more luxurious feel. The large windshield and the low dashboard give the CX-7 a panoramic view and together with the comfortable (leather) seats it feels very satisfying sitting at the front, especially as a front passenger. It's tough, but if I have to choose between the two, I think I will pick the CX-7 for its style, more composed ride, and the great satisfaction sitting inside and live with its less than perfect launch and heavy maneuvering in the city.
#174 of 216
Re: My Test Drives [xgbt] by vbbuilt
May 21, 2007 (4:19 am)
Reply

Replying to: xgbt (May 19, 2007 5:27 pm)

This is one of the best test reports I've seen in awhile. You took the time to compare each on it's own merits, feature for feature.
 
What were you thoughts on the interior, i.e. materials, lay-out, technology?
 
Vince.
#175 of 216
Re: My Test Drives [vbbuilt] by johnny98
May 22, 2007 (7:37 am)
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Replying to: vbbuilt (May 21, 2007 4:19 am)

Interior refinement and luxury is a personal preference issue. Personally, I felt that the CX7 interior was similar to the RAV4 or CRV. Even in a fully loaded CX7, you get basically the same budget interior as the base CX7.
#176 of 216
Re: My Test Drives [vbbuilt] by xgbt
May 24, 2007 (7:17 am)
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Replying to: vbbuilt (May 21, 2007 4:19 am)

I would agree that the material and workmanship on the RDX is a par higher (like Audi versus BMW), but it's the layout of the CX-7 that makes me like it better. It's a personal thing though.
 
The models I drove did not have navigation nor did I have time to try it out, so can't comment on the technology. In my understanding RDX has Blue Tooth and CX-7 does not.
 
I used to like interior of the Murano a lot (the low dash and the wide windshield), but now CX-7 is my favorite.

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