what do the numbers mean on mercedes benz cars? like theres the G-55, n then theres the G-550 ....whats the difference?

and on BMW cars too...theres the 328i, n the 325i. they both look the same..whats the difference? same thing with the 5 series...

so what l am asking is that what do the numbers mean on the mercedes cars, and the BMW cars?

328 3 series car 2.8 engine
325 3 series car 2.5 engine....

Those are just subseries numbers...the higher the more luxurious and expensive the vehicle..

They are just model number...and really mean nothing.unless you mean the letters..which can designate a turbo or awd..

In some cars..the subseries number designates the size of the engine..like the bmw.

They usually describe the approximate size of the engine, in liters.

In Mercedes, a G55 has a 5.5 liter engine. An M350 has a 3.5 liter engine. If it is a two-digit number, like 55, then it is usually a tuned engine.

In BMWs, the first number corresponds to the series, where 3, 5 & 7 r usually sedans, but can also exist as coupes, & a 6 is always a coupe. The last two digits of the number again shows the size of the engine. 28 means a 2.8 liter engine, the 25 means a 2.5 liter engine. The l stands for ''injection'' & implies a standard Otto motor gasoline engine, not a diesel.

The higher the numbers, the bigger engine & horsepower.

On Mercedes & BMW cars, the numbers generally indicate the size of the engine displacement. For example, a BMW 325i, would be a 3-series BMW with a 2.5 liter engine & fuel injection. BMW especially has been deviating from this a bit in recent years, so it is not always completely accurate, but still a good indication of the engine size.

So, the Mercedes G-55 & G-550 both have 5.5 liter engines. The G-55 is the version made by the Mercedes tuner company AMG. Whenever u see a Mercedes with a two-digit number, chances r pretty good it is a performance-tuned model by AMG.

For BMW.
3 in 328 is for BMW 3 series. The 3 series is BMW is compact sporty luxury sedan.
The 5 series is the midsized luxury sedan.
The 7 series is the high luxury large sedan.

The 28 in 328 means it has a 2.8 liter engine.
335i=3.5L engine
330xi=3.0L engine & AWD.

Same with Mercedes & Lexus.
Mercedes C240
C is for C class, which is their compact luxury sedan like the BMW 3 series. 240 is for 2.4L engine.
G55 is 5.5 Liter engine. AMG
The sport version of Mercedes cars r called AMG & they usually use 2 numbers instead of 3 numbers.
G550 is 5.5L engine normal Mercedes.
The AMG version is probably supercharged.

Lexus IS250.
Lexus IS series is like the 3 series & C class.
250 is 2.5L engine.

its the litre of the engines. on the g-55 and g-550 the g-55 is the AMG so it is 5.5 litre engine. the g-550 has a 5.0 litre engine. basically the same for the BMW cars too.