What GTI and SDI mean in engines

If you are looking to change your car or buy a new one, it is normal that you are wondering what GTI and SDI mean in the engines because they are acronyms that appear in many current vehicles and that, however, the average public does not know their meaning. You have to know that the GTI refers to a great tourist that has an injection engine, something that in the 70s was very new but, currently, it does not matter; In contrast, SDI refers to engines that run on diesel, a fuel other than gasoline that minimizes fuel consumption and improves power. In this article we are going to analyze each of these engines so that you know the meaning of these acronyms in the cars.

GTI: Gran Turismo Injection (Gran Turismo Injection)

The initials GTI of an engine mean "Gran Turismo Injection", that is, "Gran Turismo Injection". This denomination usually makes reference to the versions that are more sporting of a car. Formerly, the GTI acronyms referred to a type of engine, therefore, it was a technical concept understood by manufacturers, but now the term has become widespread and is often used as a marketing strategy to indicate that it is a sports car .

We are going to travel back in time until the 70's, when the first GTI appeared. During this time, the Renault 5 was the most successful car on the market but everything changed when Volskwagen launched the GTI in 1976.

The acronym "GT" refers to a "Gran Turismo", a car enabled for the transport of passengers but, adding the "I" was indicating that the injection engine had been linked to the great tourism and, therefore, increased your performance.

However, this distinction nowadays has no temporal meaning: all cars run on fuel and, for this reason, the acronym GTI is currently used to designate more sporty models, purely for promotion and publicity.

SDI: Standard Diesel Injection (Standard Diesel Injection)

The initials SDI of an engine refer to the term "Standard Diesel Injection " or, what is the same, "Standard Diesel Injection", that is, these acronyms indicate that it is a vehicle that uses diesel instead of gasoline as fuel for function.

The main characteristic of the SDI is that they are diesel engines that do not have turbo, something that differentiates them from the TDI, another type of diesel car that does integrate the turbo and that would be the superior range of the SDI. Therefore, they are perfect vehicles for families or people who circulate around the city or urban roads as they allow to reach the proper and permitted speed, without the extra power (turbo).

The SDI engines appeared as substitutes for the atmospheric diesel that had the acronym VAG in order to improve its power and reduce consumption. It is an improved version of these old engines.

In this other article we tell you how a diesel engine works in a car and, in this one, we discover how to extend the useful life of a diesel engine.

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