This is a tricky vehicle and it will depend on if you have coupe or sedan - different sizes and different attachments - don't improvise. See sources and related links below - they lay it all out there.
The 2008-2010 Honda Civic SEDAN takes 26" driver side and 22" passenger side and replacement wiper blades. The COUPEtakes 28" driver side and 25" passenger side replacement wiper blades.
Anyplace that sells wiper blades will have an application chart showing you the correct size or you can simply measure them with a tape measure yourself.
26' driver side and 22' passenger side
Drivers side is 26 inch and passenger side is 24 inch.
This particular year has a wiper change mid-year. See sources and related links below for more information.
The correct size wiper blades for the 2008 Dodge Avenger is 24" blades on the Drivers side and 22" blades on the passengers side. See sources and related links below for more information.
The 1997-2008 Pontiac Grand Prix takes 22" replacement windshield wiper blades on both sides front.
The 2008 Toyota Sequoia has the newer-style pinch tab wiper attachments. See sources and related links below for wiper blade installation videos and correct wiper blades. Basically pinch the tabs on both sides of the attachment and swing that side of the blade downwards out of the arm, then remove it from the tiny hook.
The 2004-2008 Toyota Solara takes 24" driver side and 19" passenger side replacement windshield wiper blades.
The EX = Coupe The 2008 Honda Civic EX Coupe wiper blade sizes are 28" drivers and 25" passenger side wiper blades that are relatively hard to find aftermarket due to the special attachment combined with the non-standard lengths. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
The 2008 Honda Civic EX Coupe wiper blade sizes are 28" drivers and 25" passenger side wiper blades that are relatively hard to find aftermarket due to the special attachment combined with the non-standard lengths. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
The 2008 Honda Civic Coupe wiper blade sizes are 28" drivers and 25" passenger side wiper blades. See Sources and Related Links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.