There are now not many cars in the United States that are made with a 3 cylinder engine. A couple of the vehicles that were once made with a 3 cylinder engine is a Geo Metro and Dihatsu Charade.
BMW developing a new family of 3-cylinder turbo engines that will go into the next-generation MINI
There are cars that have engines with only ( 3 ) engine cylinders such as : The Chevrolet Metro with the 1.0 liter , 61 cubic inch , 3 cylinder engine ( 1999 )
The 3 in the model numbers designates all these cars as 3 series cars. The next two numbers designates the motor size. 1.8 liter four cylinder or 2.5 liter and 2.8 liter six cylinder motors. The i tells us they are fuel injected.
Could be 4, 6 or 8 cylinder.
a 4 cylinder car is not a gas saver
12v in cars. Can be 24v in lorrys. 6v cars were phased out in the 50's.
Most cars have the first cylinder opposite the gear box. French cars are generally the exception. It is in the front of your car.
As you have not stated year and engine model I have to speak in generalities. 4 cylinder cars have two V6 cars have 3 or 4 depending on above
The cylinder capacity.
On most 6 cylinder cars the fireing order would be 153624 On 4 cylinder cars the most used is 1342
A 2 cylinder engine is faster then a 4. it produces more combustion.