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Old 01-31-2019, 12:33 PM   #1
rd1960
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Default 3124 vs 2720 Fuel Mileage

Hello,

Assuming they are both loaded with the exact gear, how much would the fuel mileage vary between the two while towing? Just looking at the dry/empty weight differences, I would think they would have similar numbers. Anyone with a real life comparison? Currently we have a 2015 Viking 15rb (small hybrid) with a dry weight of approx 2600 lbs and tongue weight of 251 lbs (dry/empty). TV is a 2016 Ram 1500 crew cab with 5.7 Hemi. Normal hwy mileage is around 20 mpg not towing and around 11 while towing the hybrid. Wind resistance would be the big culprit in the difference. Mileage is not the only reason we're looking at the TMs but certainly is a plus. Thanks.
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Old 01-31-2019, 02:41 PM   #2
tentcamper
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I would assume going to a 2720 you would be around 15/16 if you normally get 20. Bigger motor less mpg hit. My highlander with a 2720 was around 17 with 2720 and 23 without. But I drive slower with the camper around 65, without 73.

Not sure, but we lost about 1.5 mpg going from a 2720 to a 3023 using the same TV. I think it has to do with the length of air drag behind the TV. But there too many variables to be certain of the true effect. additional 200 to 400 lbs, tires, how the brakes are adjusted, etc.. and the 3023 was about 1.5" taller than the 2720, which I had to adjust the hitch to compensate etc... But the AC unit on the 3023 has a lower profile with less air drag. But I think there is a loss due to the length air drag by 1 - 2 mpg?
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Old 01-31-2019, 03:45 PM   #3
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Quote:
Originally Posted by tentcamper View Post
I would assume going to a 2720 you would be around 15/16 if you normally get 20. Bigger motor less mpg hit. My highlander with a 2720 was around 17 with 2720 and 23 without. But I drive slower with the camper around 65, without 73.

Not sure, but we lost about 1.5 mpg going from a 2720 to a 3023 using the same TV. I think it has to do with the length of air drag behind the TV. But there too many variables to be certain of the true effect. additional 200 to 400 lbs, tires, how the brakes are adjusted, etc.. and the 3023 was about 1.5" taller than the 2720, which I had to adjust the hitch to compensate etc... But the AC unit on the 3023 has a lower profile with less air drag. But I think there is a loss due to the length air drag by 1 - 2 mpg?
Thanks for the response. That's about what I was thinking. I've also been looking at some video's of the 3023. Since you went from a 2720 to the 3023, would you say the space difference is worth the trade-off of a mile or two per gallon? I haven't actually seen either in person. I'm thinking we'd probably rather have a little more space than the 2720 but hard to compare exactly just looking at pictures. 3023 or 3124 both look more roomy.
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Old 01-31-2019, 09:25 PM   #4
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Yes, 10% difference in mpg is worth the extra space when the weather is not agreeable and we are spending more time in the camper.
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Old 01-31-2019, 09:34 PM   #5
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Thanks! Very helpful info.
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Old 01-31-2019, 09:34 PM   #6
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Default Mileage

My 2015 Jeep Grand Cherokee AWD Limited with the 3.6-liter V6, 8-speed transmission, Trailer Tow package IV, and Continental Terrain Contact tires gets about 16 MPG pulling my 2004 3023. I get 17-20 without it.

I use a Blue Ox WDH. I have never experienced wind blowing the trailer around. I most notice how much more difficult the combination is to stop. I am going to adjust the trailer brakes and see if I can help that, but in general the trailer brakes are not expected to do more than keep the trailer straight behind the tow vehicle.

All of this would be worse with any heavier trailer. My wife fell in love with a Lance at the Pleasanton CA RV show and was ready to buy it for a day. Fortunately she got over that, but we might well consider the Lance when we get too old to deal with lifting shells, etc.
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Old 01-31-2019, 10:08 PM   #7
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My 2015 Jeep Grand Cherokee AWD Limited with the 3.6-liter V6, 8-speed transmission, Trailer Tow package IV, and Continental Terrain Contact tires gets about 16 MPG pulling my 2004 3023. I get 17-20 without it.

I use a Blue Ox WDH. I have never experienced wind blowing the trailer around. I most notice how much more difficult the combination is to stop. I am going to adjust the trailer brakes and see if I can help that, but in general the trailer brakes are not expected to do more than keep the trailer straight behind the tow vehicle.

All of this would be worse with any heavier trailer. My wife fell in love with a Lance at the Pleasanton CA RV show and was ready to buy it for a day. Fortunately she got over that, but we might well consider the Lance when we get too old to deal with lifting shells, etc.
The wife and I have both drooled over a couple of Lances also. The dealer we got our Viking from carries them. They are nice, and priced to match if you buy new. Of course the TM's aren't cheap either. We'd probably buy second hand this time if we do end up trading. I'll hopefully be at least semi-retiring in 4 or 5 years and have more time to hit the road, and less money to do it lol. For that reason the TM's are tempting for the ease of towing, fuel savings and will fit inside my shop. My Viking is too tall for that. Thanks for your input. My truck has the 8 speed tranny like your Jeep. Sure makes a difference.
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Old 02-01-2019, 08:17 AM   #8
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Bruce, adjust those brakes and then turning up you gain. I adjust the brakes so I don't know it's there when stopping on dry pavement. If it's raining or snowing, I turn the gain down.
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Old 02-01-2019, 10:54 AM   #9
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If it's raining or snowing, I turn the gain down.
Snowing? You're braver than I.
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Old 02-01-2019, 01:21 PM   #10
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I dont plan on trips with snow. But when we head for a late Nov or Dec trip to wrap up a year. I never know what I will see in three weeks. This last trip, I was forced out a VA state park in early december because the snow was expected to hit with 18 to 24". We had to winterize at the CS and drive in light snow.

I hate driving in snow, but have 48+ years experience in doing so, since I always lived in the north. I take it slow, leave plenty of room to stop and behind the auto ahead of me. I always have a least 4/32 of tread on my tires.
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