Repentant car never again Opel Antara

Opel Antara 2.0 Diesel CDTI Cosmo with auxiliary heating Deficiencies – fuel consumption in urban traffic 15 to 16 liters – fuel consumption highway 12 to 13 liters – flaps of the front axle – pins on the rear axle – load roller clamps according to mood – rear damper too weak – from 120 no force in the suit – grinding of the drive shaft after starting off (or turbocharger) – Bluetooth works according to mood – driving wind noise at speed 120 km/h Driver side and side driver’s side (door) – Navigation DVD too old, not up to date – When fast starting in the stand a delay of 2 to 3 seconds at full throttle – flap seat rear last stage (right side) – Switched between the gears back and forth at approx. 50 km h Now my Antara is back in the factory town now for 14 times the car was towed 8 times By the BAB but according to the dealer everything is in order funny or now the wire harness is changed although no one is there, but Now I drive a rental car. According to the dealer, the repair should take 2 to 3 months. 40 days are already around, does everything cost no money?