C'mon guys, it's an SUV.
Although I agree that it is harder and harder to define which is which cause trucks now sport 4 doors too look more like SUVs, and SUVs are looking more like trucks with their more durable styling, I think anything with a truck like BED, is a truck, all closed up, and it's an SUV.
Here's an actual definition of a truck.
LINK.
I agree that it sounds more manly to call our 4Runners Trucks, but as much as I love my car, it's still and SUV to me.
Also, have you ever seen a stripped down bone-stock 4Runner? Looks more like a Station-Wagon than anything else...