Air mass measuring apparatus for a vehicle, having the following features: a pressure sensor apparatus having a circuit carrier, a first pressure sensor which is arranged on the circuit carrier and is designed to capture a pressure and to provide a first pressure signal representing the pressure, a second pressure sensor which is arranged on the circuit carrier and is designed to capture the pressure and to provide a second pressure signal representing the pressure, and an evaluation device (225, 227) which has a first input interface for receiving the first pressure signal, a second input interface for receiving the second pressure signal and an output interface for outputting an output signal provided using the first pressure signal and the second pressure signal; an air mass sensor for providing an air mass signal, wherein the evaluation device (225, 227) of the pressure sensor apparatus also has an input interface for receiving the air mass signal; and a sensor carrier on which the air mass sensor is arranged and a housing which is in the form of a plug-in sensor housing and has an electronics chamber, a measuring channel for conducting a gas and an electrical connection, wherein the air mass sensor is arranged in a manner inserted into the measuring channel, and the output interface is connected to the electrical connection via electrical lines, characterized in that the evaluation device (225, 227) is arranged on the circuit carrier, a unit comprising the sensor carrier and the circuit carrier is arranged in the electronics chamber, and the evaluation device is designed to combine the pressure signals received via the input interfaces (231, 235) in accordance with a transmission protocol of the output interface to form the output signal, wherein the evaluation device comprises a first evaluation circuit with the first input interface for receiving the first pressure signal and with an output interface for outputting a third pressure signal provided using the first pressure signal, and a second evaluation circuit with the second input interface for receiving the second pressure signal, with a third input interface for receiving the third pressure signal and with the output interface for outputting the output signal provided using the second pressure signal and the third pressure signal, and in which the first evaluation circuit and the second evaluation circuit are arranged on opposite sides of the circuit carrier. a pressure sensor apparatus having a circuit carrier, a first pressure sensor which is arranged on the circuit carrier and is designed to capture a pressure and to provide a first pressure signal representing the pressure, a second pressure sensor which is arranged on the circuit carrier and is designed to capture the pressure and to provide a second pressure signal representing the pressure, and an evaluation device (225, 227) which has a first input interface for receiving the first pressure signal, a second input interface for receiving the second pressure signal and an output interface for outputting an output signal provided using the first pressure signal and the second pressure signal; an air mass sensor for providing an air mass signal, wherein the evaluation device (225, 227) of the pressure sensor apparatus also has an input interface for receiving the air mass signal; and a sensor carrier on which the air mass sensor is arranged and a housing which is in the form of a plug-in sensor housing and has an electronics chamber, a measuring channel for conducting a gas and an electrical connection, wherein the air mass sensor is arranged in a manner inserted into the measuring channel, and the output interface is connected to the electrical connection via electrical lines, characterized in that the evaluation device (225, 227) is arranged on the circuit carrier, a unit comprising the sensor carrier and the circuit carrier is arranged in the electronics chamber, and the evaluation device is designed to combine the pressure signals received via the input interfaces (231, 235) in accordance with a transmission protocol of the output interface to form the output signal, wherein the evaluation device comprises a first evaluation circuit with the first input interface for receiving the first pressure signal and with an output interface for outputting a third pressure signal provided using the first pressure signal, and a second evaluation circuit with the second input interface for receiving the second pressure signal, with a third input interface for receiving the third pressure signal and with the output interface for outputting the output signal provided using the second pressure signal and the third pressure signal, and in which the first evaluation circuit and the second evaluation circuit are arranged on opposite sides of the circuit carrier.