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Differential / Transmission Ratios

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Aldehyde's picture
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Hello,

I'm looking to buy a petrol W114 / W115 and would like a bit more information about the transmission and differential gear ratios. Carfolio.com lists all W114 250's (asside from the 5 spd) as having a 3.92 differential with 1.0 top gear. The W114 230's are all listed as having a 1.0 top gear with a 3.69 differential. Is this information accurate?

Is there a rescource I can consult for this information?

I would like to buy a W114 / W115 but spend a lot of time on the highway. Are these cars comfortable on the highway at 65 - 75 mph?

What is the fuel economy llike? I've spent litterally days searching and have only turned up scant information and much of that is conflicting.

Much thanks,

Steve

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W115nut's picture
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Hi,
This depends on the year. Pre 74 has 3.92 rear for 200-220. I have no idea about 250.

W114 230 would likely have 3.69 rear ratio. Frankly, I think 230.6 must be the best deal. It should be able to hit 180km/hr easy. 230.4 (W115) does 170km/hr. We did cruise at 160km/hr (100mph) on two lane state roads when I was young with the 74 200 (W115). The advantage of the 230.6 is when you want to over take in such roads, a slower vehicle.

Any gas W115/W114 is comfortable at 65-75mph. IHeck, I drive my diesel 240D at 75-80mph uphill with partial throttle. Power is not a problem. 3.69 ratio is good. W115/W114 comes to itself above 50mph. Otherwise, a lighter car can put it to shame in the city.

The drawback is that the fuel economy is not so good above 75mph.

W115nut

Aldehyde wrote:
Hello,

I'm looking to buy a petrol W114 / W115 and would like a bit more information about the transmission and differential gear ratios. Carfolio.com lists all W114 250's (asside from the 5 spd) as having a 3.92 differential with 1.0 top gear. The W114 230's are all listed as having a 1.0 top gear with a 3.69 differential. Is this information accurate?

Is there a rescource I can consult for this information?

I would like to buy a W114 / W115 but spend a lot of time on the highway. Are these cars comfortable on the highway at 65 - 75 mph?

What is the fuel economy llike? I've spent litterally days searching and have only turned up scant information and much of that is conflicting.

Much thanks,

Steve

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