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Hybrid Vehicles Lexus RX 400h Lexus RX 400h - MPG-Real World Numbers
311 messages, Last post on Jul 08, 2009 at 3:52 PM
You are in the Lexus RX 400h Forum. Your Host is pf_flyer
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Replying to: lexus400 (Mar 24, 2006 10:03 am) |
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Replying to: lexus400 (Mar 24, 2006 10:03 am)
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Replying to: kyxydj (Nov 09, 2006 6:48 pm) Performance-wise, they're comparable, but different. The 350 has superior low-end torque, so it jumps off the line a little faster. It feels much lighter to steer, and it handles bumps much better. But, at speed, the 400h is a smoother accelerator. I'm guessing that in a drag race, it would win zero-60, but barely, by coming from behind. Despite the annoying whine on deceleration, it's quieter on acceleration. The new 350 six-cylinder engine seems to my ears to be a noisy bastard. One thing they've improved markedly since I got my 400h in May of '05, at least in the 350, is visibility from the driver's position. I absolutely hate the 400h in this regard. My RX300 was fine, but I find myself getting more drivers in my blind spot with this vehicle, and nearly changing lanes unsafely, than with any vehicle I've ever owned. I may trade it in just to get rid of this, and I'm going to ask Lexus if they can upgrade the mirrors. I don't know exactly what they've done, but it's improved. I haven't checked in here in a long time. I was getting in the low 20's on my vehicle and initially rather unhappy. Over approximately the second 5000 miles I had a computer calculated 22.5, which was slightly better. I reconciled myself to that, but recently I've tried using the 91 fuel since prices have eased. It may be coincidental, as I've been doing more highway driving than normal, but for two tanks now I'm up around 25.5. I do feel the engine is more responsive with this fuel, so I may continue to use it.
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We use this car mainly for very short, city trips...use regular gas, and my wife drives it with a lead foot and air conditioning blowing. IE, we're pretty much the worst-case scenario. Anyway, since the weather cooled down a bit, mileage as reported by the computer is slightly up, now 20 MPG...better than the summer low 18s. |
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Replying to: richcbt (Nov 21, 2006 11:52 am) |
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Replying to: KarenS (May 06, 2005 6:47 am) 
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I have the Pentagon Federal Credit Union CC and they just announced that cardholders would get 5% cash back instantly on all gasoline purchases. Since I just purchased my car and we've filled up once in 3 weeks I haven't studied how my car handles premium vs. cheap on MPG. I suspect we'll lose a little if we go with cheap gas but I'm not sure if the justification is there to pay more but I digress. If you assume that premium gas is 20 cents (or 8%) more expensive than the super unleaded, this 5% cash back justifies filling up with premium to achieve the benefits in MPG. Just wondering what the community thinks about this kind of math and if anyone else has similar cash back programs. Here's the link to the Pen Fed CC --> link |
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I've had my RX 400h since mid-July. We recently had a week or two of colder weather than normal, and I can verify that the gas engine comes on more frequently when it's in the 50's or lower. And MPG goes down slightly. Now that the temps have returned to the upper 60s and 70s (that's San Diego for ya!), MPG has improved, too. I am getting around 29. Karen S., I have a great Bluetooth connection with my T-Mobile Samsung T-809. However, just about any Bluetooth enabled phone should work. See if you can get a handset that will allow you to load your phone's ENTIRE phonebook into the Lexus phonebook. I had a Motorola RAZR and it only let me add one number at a time. The Samsung T-809 allows me to transfer (via Bluetooth) my entire phonebook, all at once, and that feature is VERY convenient. One note: each time you reload your handset's phonebook into the Lexus, you'll have to reset your "one touch" call keys.
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We purchased a 400h about 6 months ago. It is an awesome car. The thing with the gas mileage is that it varies on your style of driving. The first month we drove it like we would a normal car (A bit aggressive, 80 mph on highway) and we returned 24.5 mpg. We weren't that pleased with that, so we decided to look for pointers on how to drive. The best point we got was to accelerate fast to your normal speed, than lift off the gas, which will usually engage the electric motor even at 50 mph, providing outstanding results. We are now averaging 29.5 mpg. (Cruise control on the highway  70 mph on the highway helps too) 
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Replying to: kyxydj (Jan 26, 2007 8:13 am)
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