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-   -   Realistic MPG in 300D's, 300SD's, 190 D's? (http://www.peachparts.com/shopforum/diesel-discussion/279144-realistic-mpg-300ds-300sds-190-ds.html)

MB300Dave 04-13-2015 07:21 PM

Quote:

Originally Posted by automch (Post 2485346)
My 83 300Sd with 435K on the original motor gets 22.5 in town and that is a 5 tankfull average. Highway tends to be in the 28 MPG range. I've never done a 5 tank average for highway miles. Just for fun my 87 Escort Diesel gets 42 MPG around town and my 93 Gulfstream Motorhome gets 8 MPG. All of these are running on B100 homebrew for the past 9+ years.:)

I did not know that the Escort was available in a diesel version. Keep up the good work on the B-100 too! Are yo using your own appleseed processor as well?

asavage 03-26-2016 01:15 PM

The Ford Escort was available in the US for several years in the 80s with a Mazda diesel. I've never driven one, but I've seen several (two in JYs).

I recently bought my '99 W210 E300 specifically to run (pump) B100. I bought it the Denver area, and drove it back to the Seattle area a month ago. A lot of that route is 80 MPH speed limit in WY, ID, and UT. 2.5 tankfuls (600 mi. per tank easy), 31-33 MPG, and the cruise control on the W210 is incredible, it'll keep you at 80 and never harshly intrudes.

http://asavage.dyndns.org/MB/W210/19...s/Pic_015c.jpg

I've been commuting four days per week for the past three weeks; so far, 29+ MPG on B-something (am topping up weekly, so not had a full tank of B100 yet).

All new low pressure fuel lines and Viton o-rings in the garage, awaiting install.

mopar65pa 04-03-2016 08:55 PM

Well I picked up an 85 300TD 2 years ago.

I average 20-23mpg around town with my lead foot flat to the floor, and I have gotten 28mpg running the PA turnpike at 75mph with a 200lb lawn tractor tiller in the back. :D

acceleration from a dead stop is awful, this ALDA adjustment you all speak of could be a cure for that. ;)

ollo 04-03-2016 11:49 PM

Current cars: 80 240D manual trans: 28-33 mpg hwy, 27 mixed city/hwy
94 E420 auto: 24 mpg hwy, 20 mpg mixed city/hwy
00 S430 auto 26-27 mpg hwy, 22 mixed city/hwy

Used to haves: 76 280S auto 18-21 hwy, 14-15 mpg mixed
Euro 78 300D auto 28 mpg hwy, 20-21 mixed
81 300SD auto, 26-28 mpg hwy, 21-22 mpg mixed
73 280 auto, 24 mpg hwy, 18 mpg mixed

Doktor Bert 04-04-2016 12:34 PM

Funny in a way....my 2006 Mustang GT, with a 4.6 litre 3-Valve V8 and 5 speed manual with a 4.10:1 axle, has been delivering 26-27mpg on my weekend excursions to Fresno...over 800 miles round trip...tailpipes are perfectly clean....and that's running 80-85 mph.

vstech 04-04-2016 12:49 PM

I just got back from a long trip in my 87 190 5 speed... 302miles... 7.09 gallons
I love this car!

Skippy 04-05-2016 08:20 AM

'83 300D with the manual from a 240D, driven in a manner as though I've stolen it, generally about 25 mpg in mixed use. On longer highway trips I've nearly touched 30. I'm sure I would be in the low 30's if I hyper-miled it.

'08 Triumph Street Triple ridden in a similar manner (I know, not diesel, not Mercedes, and not a car), around 45 mpg most tanks. I think I could hit 60 if I applied hyper-mile techniques, but no one buys a sport bike for that.

CTD 04-05-2016 09:25 PM

My 1972 220D gets 33 miles per gallon on average, mostly long distance commuting. Driving range, on a 17 gallon tank (16 usable gallons), is typically 520-540 miles.

satx78247 08-26-2019 01:44 AM

To All,

Inasmuch as I generally ran my 1978 NA 300D on grease in the spring-fall in South Texas & on petro diesel in what we laughingly call "Winter" here (MOST Winter days in South TX are about 40-50F,) so WHO CARES what the MPG is. = I keep a 5 gallon Jerry-can in the trunk, should I have to be away from my grease source for too long.

FWIW, CHINESE cafes generally have NICE used grease (& are a customer) for free, if you are polite. = My favorite hole-in-the-wall Chinese place in San Antonio always has 10-15 gallons saved for me & they have ZERO "atmosphere" but GREAT food at DIRT CHEAP prices.
(MY GUESS for "Winter" city/highway driving is about 25MPG.)

FILTER through a commercial size double coffee filter to get the solids out, let the grease sit a couple of weeks to separate ANY H20 out & into the tank it goes. = The "plain vanilla" 300D will run on most anything that will burn in a diesel engine & w/o a stutter.

I'm retired now & thus don't commute any more, so I have friends that I give filtered/settled clean grease to if they need some.

yours, tex
Ft Sam Houston

Screwdriva 08-26-2019 07:59 AM

My precisely measured fuel economy on my W123 300D Automatic NA saloon are:

City (extra urban): 23 mpg
Highway : 36 mpg
Combined (urban): 26 mpg

A few factors that have helped achieve this figure:

1) Michelin Energy 195/70 R14 low rolling resistance tires
2) Steelies (14X6) pressed alloy wheels
3) Auto-Rx treatment
4) Techron diesel fuel additive annually just before winter.
5) Optimum state of powertrain tune with no expense spared.

barry12345 08-27-2019 03:02 PM

Quote:

Originally Posted by Screwdriva (Post 3953039)
My precisely measured fuel economy on my W123 300D Automatic NA saloon are:

City (extra urban): 23 mpg
Highway : 36 mpg
Combined (urban): 26 mpg

A few factors that have helped achieve this figure:

1) Michelin Energy 195/70 R14 low rolling resistance tires
2) Steelies (14X6) pressed alloy wheels
3) Auto-Rx treatment
4) Techron diesel fuel additive annually just before winter.
5) Optimum state of powertrain tune with no expense spared.



This above post in all probability is on the imperial gallon. The old jetta diesel I drove last week on a trip. Tends to average 54 miles per imperial gallon after several tankful checks. About 15 percent city and 85 percent highway. That is also with the air conditioning running most of the time.


So the old Jetta is giving about 44-45 miles per American gallon. Possibly putting it at the top of easily available fuel efficient cars. That is the feel good component of a car that will chew up enough repair costs down the road. To just make it an average at best cost per mile over the road.

Screwdriva 08-28-2019 12:28 PM

Quote:

Originally Posted by barry12345 (Post 3953515)
This above post in all probability is on the imperial gallon.

My post was in US gallons. Keeping a W115/ W123 diesel well maintained can yield improvements over the norm that exists today.

barry12345 08-28-2019 02:45 PM

Quote:

Originally Posted by Screwdriva (Post 3953784)
My post was in US gallons. Keeping a W115/ W123 diesel well maintained can yield improvements over the norm that exists today.



Anything of a modification? As that is almost exceptional millage for the type. One does have to take into consideration the diesel fuel there is much better if not cheaper though. If your car was brand new here currently you could not get that millage. On our current fuel.

Actually in Canada we have been catching up. Not currently but 1.50 a liter was present for awhile. That made it 5.67 per American gallon. You really noticed it when filling your tank as well.

Currently it is 1.13 a liter or 4.25 an American gallon here. In the overall scheme of things. With the seemingly steady advance in the general cost of living. It just is what it is.

I wonder if you also have this issue as I was told English people are currently buying farm land around my area. We are also seeing some other strangers arriving for farmland. It has been a long time since this has happened. At least in our region of eastern Canada.

With the new food prices perhaps agriculture is paying here again? I shopped for dinner last Saturday. The wife usually takes care of it. I mentioned after the company left this was 25.00 per plate she prepared.

The wife responded at least 45 to 50.00 at a restaurant today. Now we do not eat like that all the time but it as just another wake up call. Odd in that I really had not paid much attention to the newer costs of living here. I knew it was rising but was only semi aware. Food was only a nominal cost basically of peoples incomes. The wife mentioned to me some time ago that it was a rapidly increasing percentage. I did notice though that the allowance on her expense account doubled some time back for business travel meals. The amount of fuel we burn now seems pretty much to be only a inconsequential cost. Even if we did not bill a lot of it on expense accounts.

Father Of Giants 08-28-2019 02:50 PM

The highest I got was 38 MPG on my 1997 E300, but that's driving SLOW, and cruising at 65mph - 60MPH on the highway. Not going over 2k rpm city, car honked at me once. I hit 200 miles after using 5 gallons of fuel.

I don't care how slow I drive because they're not putting fuel in my tank.

barry12345 08-28-2019 05:00 PM

If traffic is heavy and fast. There is a small risk to slower than the general flow. Usually I time trips if possible so I just can comforatably float along and just do the speed limit.

If traffic is really thin I will drop back to 60 mph. Oddly enough my wife does the same pretty much. I noticed it seemed to extend the life of tire treads to some extent although there is no way to be sure. Just an insignifigant observation.

We both are also in our seventies and speeding tickets or other infractions would attract attention perhaps. We renew our drivers licenses every five years. When I was 70 I got a lot of questions asked. At 75 none when I was expecting worse.

In a few years I will renew my license again at 80 hopefully. I will also give it up the day I feel incompetent. Also your doctor is required to turn you in. No tickets cannot hurt. I have no wish to hurt anyone either. I have seen the results of people that should no longer have a license when older.

You are never too old for some things I suppose. I was going in and out of the most expensive condo frequently in a city not long ago. Lots of local things to see as it was the first city in Canada. Historical in content. I noticed the same women across the street in a group several times. I went to a local bar and just guess the woman that also entered and sat down beside me. The place was pretty empty.

She was not a hooker. Mining must have been pretty thin for that gold digger though I thought. Around forty to forty five I suspected Desperate perhaps as well. Well structured and dressed though.. At my age they are all younger.

I did cover her bar tab as the conversation was interesting. Had I not been married and somewhat younger say by a month or two. A ride would not have upset me.

Guess who shows up at the condo later? It turns out she was a friend of the really expensive condo owners. She had to be playing with me at the bar. Turns out she was a senior executive at a communication company. They had told her previously that I would be visiting with the wife.

As she came in the condo and we were introduced. I mentioned that we had met earlier.. With women it usually will get mentioned anyways. The wife figured it had to be that day. So she asked did you borrow my husband? She responded she had and he was a gentleman. To following peals of laughter of both of them. Her and the wife got along well for the remainder of the evening. At my expense I suspect.

To be 77 and married is not the best thing to be at times I suppose. She made me understand why some old guys get really foolish . I always had the best at home without a doubt though in many ways.


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