Ford LTD III 4.2 115HP automatic vs Mercedes W123 Coupe 2.3 109HP manual

Ford LTD III 4.2 115HP automatic

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16 reasons for

Ford LTD III, model available from 1979 to 1982.
It has 4.2 115HP ic petrol engine produced from 1979 to 1982.
Drive on the rear axle has automatic gearbox.

8 reasons for

Mercedes W123 Coupe, model available from 1975 to 1986.
It has 2.3 109HP petrol engine produced from 1976 to 1980.
Drive on the rear axle has manual, 4 speed gearbox.

Mercedes W123 Coupe 2.3 109HP manual

16 reasons for Ford LTD III 4.2 115KM automat in comparison to Mercedes W123 Coupe 2.3 109HP manual

Reasons for

Maximal power

115 > 109 hp
The horsepower is a this thing that majority of car fans pay the greatest attention to. In this case, it is the Ford that has by 6 % horsepower more than the Mercedes W123, which makes this vehicle somewhat faster. Thanks to more horsepower the Ford will as well give slightly more flexiblility in specific speeds.

Maximal torque

280 > 188 Nm
Thanks to 49 % higher torque, the engine of the Ford distinctly better transmits power to the wheels than the Mercedes W123 Coupe. This, in turn, produces better acceleration.

Maximal torque RPM

2,400 > 2,995 revolutions/minute
A greater range as well as a lower value of rotations at which the maximum torque is reached determines an engine’s dynamism and flexibility. Still, in order to eliminate engines drawbacks like e.g. turbo lug, it is good to check a torque performance graph.


1,973 > 1,786 mm
The width of the vehicle influences on passanger's inner room and stability of driving. The Ford LTD III is 10 % wider than the Mercedes. It is often clearly felt by driver and passenger in front, who have more room for their elbows.


2,911 > 2,703 mm
The wheelbase of a vehicle means the length between its front and rear wheels. The wheelbase significantly affects the driving due to better car's weight distribution. Ford has 208 millimeters longer wheelbase distance in relation to Mercedes. Wheelbase dimensions are crucial to the stability and steering. Hence, the mass of Ford LTD III should be better distributed and driving should be easier and safer.


8 > 4

Engine capacity

4,184 > 2,307 cc
The Ford has 81 % bigger engine size when compared to the Mercedes W123 Coupe. The difference is relatively substantia. Consequently the Ford LTD III should accelerate faster and be able to reach higher maximum speed. On the other hand greater engine capacity affects worst fuel efficiency.


5,309 > 4,642 mm
The Ford is 14 % longer in relation to the Mercedes. Long vehicles have more interior space and in most cases provide bigger trunk. While the Ford seems to be better option for families or persons who value comfortable driving that make them feel fresh and relaxed upon arriving, the Mercedes W123 Coupe 2.3 109HP manual may be more appropriate to the young as it will not cause problems with parking and will have smaller turning radius.

Rear track

1,575 > 1,449 mm

Number of doors

4 > 2
For those who prefer a car for larger amount of passengers the four-door Ford LTD III 4.2 115HP automatic is a way appropriate to own. However, for young drivers that appreciate sporty styling of the vehicle we recommend to choose the 2-door Mercedes W123.

Model release date

1979 > 1975
The difference in debut day between presented vehicles is only 4 years, however, new technologies for automotive industry are appearing at a dizzying pace what may cause that the Ford LTD III 4.2 115HP automatic may have more advanced solutions.


automatic > manual
For drivers who value more functional driving a car and who don’t need complications that stems from the manual transmission we recommend cars with automatic gearbox. For those who have a flair for sport driving a manual gearbox may be better as it gives a control of rmp range in which a shift take place.

Maximal power RPM

3,400 > 4,800 revolutions/minute

Front track

1,580 > 1,486 mm


16 > 8

Curb weight

1,664 > 1,370 kg


8 reasons for Mercedes W123 Coupe 2.3 109KM manual in comparison to Ford LTD III 4.2 115HP automatic

Reasons for

Average consumption

9.4 > 16 l
The Mercedes W123 burns up 41 % less amount of fuel in the mixed cycle in comparison to the Ford LTD III. The difference at the level of 6.6 l will be quite significant in everyday usage of the car. In the long term it can generate a substantial cost reduction.

Acceleration 0-100 km/h

13.7 > 14.5 s
The Ford LTD III 4.2 115HP automatic speeds up relatively slower compared with the Mercedes W123. The difference at the level of 0.8 s is quite little and it should not be substantially taken into account for selecting the better one of presented cars.

Top speed

170 > 160 km/h
The top velocity of the Mercedes W123 Coupe 2.3 109HP manual is higher in comparison to this of the Ford LTD III which allows to cover the same distance on the highway in shorter period of time. The difference that amounts to 6 % is little and is imperceptible in everyday use.


851 > 450 km

Fuel tank

81 > 71 l
The winner of this comparison in the category of fuel tank size is Mercedes W123 Coupe 2.3 109HP manual that can hold by 14 % more gasoline than the Ford LTD III.

Price range

luxury > popular


1,396 > 1,386 mm
The higher a vehicle is, the the more convenient is a boarding it and greater possibility of loading big amount of thinks to it. The difference between these two cars that amounts to 10 mm to the advantage of the Mercedes W123 Coupe 2.3 109HP manual is insignificant and should not be really noticeable.

End of model sale

1986 > 1982

Cars specifications

Ford LTD III 4.2 115HP automatic Mercedes W123 Coupe 2.3 109HP manual
    Price range popular luxury
    Model release date 1979 1975
    Facelifting no no
    Class E E
    Payload - 1,899 kg
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