AC-Delco.
I would only use what the manufacture of a car put in them from the beginning and that is AC Delco. Rest assured that you will NOT have a driveability problem with them.
Always ngk plugs
Use AC/Delco spark plugs. The wire choices are numerous. Ask for OEM type plug wires unless you are racing this vehicle. In that case ask for Accel performance plug wires.
You have to use platinum-tipped spark plugs ONLY.
NGK laser iridium spark plugs.
the best spark plugs for all ford vehicles are the motorcraft type, which they come from ford.
The best spark plugs are the original equipment plugs that were installed by the manufacturer at the factory. Sometimes you may need to go to a dealer to get the exact plugs.
Factory A/C spark plugs. Put the plug in it that it calls for are Chevy would not have used them if they weren't a good plug.
No they will not but speaking as a repair shop owner i can tell you that the car maker new what was best for performance. Your best bet is to stay with AC Delco.
AC plugs
To change the spark plugs on a Vauxhall Zafira open the hood of the vehicle. The spark plugs will be located on the engine. It is best to used a spark plug removed to unscrew the plugs. They will be connected to a cable. Remove the cable. Replace the plugs with new ones and reattach the cable.
Any good quality plug and wire set will be fine for this car. There is really no need to buy real expensive plugs and wires for this vehicle. Accel makes good plugs and wires.