Sizes of Tires and Rims for the Opel Senator
    
    
  
  
    
  
                              Senator  B (1987-1993)
        
        
            
                              
                     
                     | Tire size | Tire pressure | Rim size | Wheel fastener | Center bore | 
            
            
                                    
                        | 185/70 R14 | Front: 2 bar Rear: 2.2 bar
 | 6Jx14 ET39 | Bolts: 5 x 110 (PCD) | 65.1 mm | 
                                    
                        | 195 R14 | 2 bar | 5Jx14 ET30 | Bolts: 5 x 120 (PCD) | 65.1 mm | 
                                    
                        | 205/65 VR15 |  | 7Jx15 ET39 | Bolts: 5 x 110 (PCD) | 65.1 mm | 
                                    
                        | 205/55 R16 |  | 7Jx16 ET39 | Bolts: 5 x 110 (PCD) | 65.1 mm | 
                                    
                        | 225/55 R16 |  | 7.5Jx16 ET39 | Bolts: 5 x 110 (PCD) | 65.1 mm | 
                                
            
            
        
                
                                Senator  A (1978-1987)
        
        
            
                              
                     
                     | Tire size | Tire pressure | Rim size | Wheel fastener | Center bore | 
            
            
                                    
                        | 195 R14 | 2 bar | 5Jx14 ET30 | Nuts: 5 x 120 (PCD) | 69.1 mm |