14.5 gallons
yes
The owner's manual of my early 2008 Mazda 3 s 2.3 liter says that it holds 4.5 U.S. Quarts of oil.
According to Mazda 3's own specs, the car has zero towing capacity. That is, Mazda does not recommend towing anything. Compare this with the Toyota Corolla, which has a 1500 pound capacity.
5qt
The fuel filter is located in a bracket bolted to the frame behind the right hand rear wheel. It can be seen with the wheel on but to repace it you will need to remove the wheel.
7.6 quarts according to the manual for a 2.3L 2005 Mazda 3. I can't imagine it's any different for a 2008 Mazda 3 with the same engine.
The 2008 Mazda MAZDA6 has a 3 yr./ 36000 mi. basic warranty.
The 2008 Mazda MAZDA5 has a 3 yr./ 36000 mi. basic warranty.
The 2008 Mazda MAZDA3 has a 3 yr./ 36000 mi. basic warranty.
in the transmission.
NO! I tried 14 inch rims on my 2008 mazda 3 hatchback and the calipers did not allow the rim to fit.
The 2008 Mazda CX-9 has a 3 yr./ 36000 mi. basic warranty.