Does a 2005 Nissan Altima have spark plugs?

Yes, all gasoline cars have spark plugs. However, the 2005 Nissan Altima does NOT have spark plug wires. Instead, they have what are called ignition wires. They perform the same function as a spark plug wire but are more efficient. However, they are not easily replaced by a shade tree mechanic and often require Nissan dealership assistance for removal/replacement. Hope this helps.