RX - 4th Gen (2016-2022) Discussion topics related to the 2016 and up RX350 and RX450h models

4RX Mileage Thread

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Old 10-01-16, 05:14 AM
  #106  
toyotaman7
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My average over the last 16,000 km (10,000) miles is 10.7L/100km or 21.9 MPG. My drive is 60 % highway, 40% city.

Mostly in eco, sometimes in Sport+. With occasional tap on its power.

Can't complain to much. My 4 cylinder Venza AWD averages 10 L/100km or 23.5 and it is really gutless compared to this car.
Old 10-13-16, 02:45 PM
  #107  
rusn007
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I fee like Lexus lied on 2016 RX's MPG claims.

Recently took a drive from LA to SD on 2016 RX w/ 9K miles. With some traffic, we averaged 23MPG. Not even close to the highway claim of 28.
I thought the MPG would increase with the mileage, but that's not the case.

Lexus' claim of 20/28 was one of the main points of buying the car (long commutes). This is significant overstatement from actual world results.

For reference, we also have a 2009 RX350, rated 18/23 and I consistently get 23MPG (mostly freeway commuting with traffic).

Last edited by rusn007; 01-25-17 at 10:58 AM.
Old 02-04-17, 08:47 AM
  #108  
c5bob
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My 2017 RX350 has 800 miles on the odometer and is on 3rd tank of regular 87 gas. Overall mileage is 23.9 with mostly city driving with LOTS of stop lights/signs. My previous 2010 Lexus never got to 21 MPG. The new car is larger, has more power, smoother transmission and better mileage. I am very pleased.
Old 02-06-17, 08:05 AM
  #109  
nas2344
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I'm getting about 12.5 mpg with 1600 miles on the F sport with mainly city driving, its horrible, will it improve?
Old 02-06-17, 09:04 AM
  #110  
Oldfart
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Originally Posted by nas2344
I'm getting about 12.5 mpg with 1600 miles on the F sport with mainly city driving, its horrible, will it improve?
No it will not.
Old 02-06-17, 09:40 AM
  #111  
nas2344
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Originally Posted by Oldfart
No it will not.
whys it so horrid?
Old 02-06-17, 10:13 AM
  #112  
kitlz
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nas2344, the cold weather and winter blend gas doesn't help mileage. I say give it more time.
Old 02-06-17, 10:42 AM
  #113  
Oldfart
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Originally Posted by nas2344
whys it so horrid?
What is your average MPH?
MPG number are irrelevant without MPH.

Here are example of the cars that I've used for my commute and they are all look horrible, but it is not the car it is commute.
4 cylinder Toyota Camry / I could get 38 MPG on a freeway but for my specific commute it was
21 - 22 MPG
6 cylinder Acura TL / about 30-31 on a freeway but for my commute
16-18 MPG
6 cylinder Lexus RX for my commute
14-16 MPG

Shorter commutes with a lot of stop and go are the worst.
Old 02-08-17, 10:20 AM
  #114  
Darith
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Originally Posted by rusn007
I fee like Lexus lied on 2016 RX's MPG claims.

Recently took a drive from LA to SD on 2016 RX w/ 9K miles. With some traffic, we averaged 23MPG. Not even close to the highway claim of 28.
I thought the MPG would increase with the mileage, but that's not the case.

Lexus' claim of 20/28 was one of the main points of buying the car (long commutes). This is significant overstatement from actual world results.

For reference, we also have a 2009 RX350, rated 18/23 and I consistently get 23MPG (mostly freeway commuting with traffic).
I do feel like my 2016 is getting 18 city / 24 hwy after they discreetly fixed my transmission acceleration hesitation issue (and I've been doing ECO mode as a test too).
Old 02-08-17, 12:32 PM
  #115  
uhaveit
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2017 RX 350 with Michelin tires ( 20 inch wheels)
Stop and go traffic : Averaging around 16
Freeway : 19-20

I think this is terrible
Old 03-03-17, 02:42 PM
  #116  
Darith
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Originally Posted by uhaveit
2017 RX 350 with Michelin tires ( 20 inch wheels)
Stop and go traffic : Averaging around 16
Freeway : 19-20

I think this is terrible
You will need to reset while driving on freeway to get actual freeway MPG (press the diamond button). I was getting 26-27 MPG freeway only with ECO mode on. I am getting a consistent 17-18MPG in city normal driving on ECO mode. Regular gas.
Old 03-04-17, 04:08 AM
  #117  
ggebhardt
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Originally Posted by uhaveit
2017 RX 350 with Michelin tires ( 20 inch wheels)
Stop and go traffic : Averaging around 16
Freeway : 19-20

I think this is terrible
Much depends on how one drives. If you for is heavy between lights you mileage will be less. If you are doing 80 on the highway . . .
Old 03-04-17, 05:22 AM
  #118  
ggebhardt
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Originally Posted by nas2344
I'm getting about 12.5 mpg with 1600 miles on the F sport with mainly city driving, its horrible, will it improve?
Much depends on your foot.
Old 03-05-17, 11:05 AM
  #119  
Kajnbabe
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You all must be doing something really good to be getting more than 20 MPG city driving. I tested my MPG for the city and via my car and doing it manually is registering 20.3 MPG doing it both ways. I went on a 5 hour trip and clearly forgot to do my MPG. Will do highway MPG next road trip.
Old 03-05-17, 09:04 PM
  #120  
Oldfart
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According to Consumer Reports it is 14MPG city and 22 Average.
I am averaging about 15MPG mostly city.


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