I strongly believe that Christians DO NOT serve the same God as other religions. The God that I serve is a 3 in one God. There are three that bear records in heaven, the Father, the Son and the Holy Spirit and these three are one.
Jesus Christ is the only living God that died and rose again.
He is the only way to heaven, If one does not believe that Jesus is Lord, there is no way we can state that we serve the same God.
The Bible states that, In the beginning was the Word (Jesus Christ) and the Word (Jesus Christ) was with God and the Word (Jesus Christ) was God. Nothing that was made would have been made. All things were made through Him, by Him and for Him.
God came to earth through human body as Jesus Christ, He came to live the life that we are living, He came to die for us. He made us holy by sacrificing Himself through His death.
To be part of the heavenly Kingdom, individuals must make the most important life decision. This decision is to receive Jesus Christ as Saviour. This decision can be received when individuals confess with their mouth that Jesus is Lord and believe in their hearts that God raised Him from the dead, then they become saved.
Other religions do not believe in what I have written above, some have something similar in their own religious book, however, no other religion believes that Jesus is the only way to heaven and neither do they believe that they must practise Jesus's principles, neither do they believe in the power of the Holy Spirit.