Likewise, I’d suggest that you start by filming a “clean plate” … the empty driveway.
Then, with the camera locked and before the sun has had a chance to move, you could film your friend pantomiming the “action” of lifting a car.
Then, put the car in exactly the right spot (measure it – see below) and film it. Measure the dimensions of the car.
You might consider having him hold some kind of object in his hand, such as a properly-sized piece of lumber that is painted – say – blue. This should be a very distinctive, pure color that is not otherwise present in the scene. You’re doing this only to “give him something to be holding on to,” and so that you can accurately color-subtract it. Make sure that the actor doesn’t wrap his fingers around the board.
If you need to “add weight” for realism, make the board long (well to the left and/or the right of the car), and hand sandbags or whatever off of it. (You can “garbage mask” these things away, if they’re sufficiently distant from the car.)
You need to be using a DSLR camera, not “a phone,” and you need to carefully write down everything: the height of the lens above the ground, the distance from the lens to your friend, and the distance from the lens to the back of the driveway. The dimensions of every object in-frame. The f-stop, the length of the lens.
And then, yes, you’ll need a digital model. This model’s dimensions must exactly match those of the car. It will have to be placed in 3D space at exactly the right spot relative to the similarly-matched camera. And this model must then be animated, probably frame by frame.
Beyond that – (shrug …) – “a few evenings of very-careful compositing.”