The ornamental design for a vehicleuppergrille, as shown and described.
FIG. 1 is a front elevational view of a left vehicle upper grille, (the right vehicle upper grille is a mirror of the left and is not illustrated);
FIG. 2 is a left side elevational view of the vehicle upper grille;
FIG. 3 is a right side elevational view of the vehicle upper grille;
FIG. 4 is a top plan view of the vehicle upper grille;
FIG. 5 is a bottom plan view of the vehicle upper grille; and,
FIG. 6 is a rear elevational view of a left vehicle upper grille.
Shading is used to illustrate the curvature of the part and not color. Views are orthogonal projections unless otherwise noted. The various views are not necessarily to scale in order to better illustrate the design.