The woman lies back on the hood of the car and scoots her bottom towards the edge. She can rest her feet on the bumper or the grille. The man stands in front between her legs and leans on the hood as he fucks her.
Same as above, but upright, with the woman sitting on the hood. She wraps her legs around the man's waist and supports herself with her arms, leaning back.
The woman lays her upper body face down on the hood. The man lifts her legs up and holds them spread apart as he fucks her from behind.
The woman lays back on the hood with the male standing in front between her legs. She lifts her legs so that she can hook the back of her heels over her partner's shoulders. The woman tilts her pelvis up into position while the man supports her lower back with his hands.
For when you really want to put on a show. The woman climbs up on top of the hood on all fours, with her rear facing the front of the car. She leans on the roof of the car to support her upper body. The man kneels on the hood behind her and fucks her doggy style. Take care not to break the windscreen.
Front seat, passenger side, him on top with feet on floorboards, her feet on the dashboard. Recline the seat as far as possible.
Him in the passenger seat, her on top astride.
Missionary across the backseat. Depending on the size of the car the woman may have to spread her legs to the sides and rest on on the floorboards. The man may have to put one leg on the floorboard or put his feet out the open window or door.
The woman gets astride the front seats and backs her bum and presses in into the space between the seats. She can brace herself against the seats or the dash. The man is in the back seat and fucks her doggy style.
Woman lays across the back seat with the man on top between her legs. She plants her feet high and wide across the interior wall of the car. He kneels between her legs and pulls her pelvis up toward his. The female can use her legs to pump her pelvis in this position. Alternately, if there is room, she can hook her legs over his shoulders.
The man sits in the middle of the backseat with his legs spread. The woman gets on his lap facing the front of the car, leaning forward between the front seats, and rides his cock. The woman can grasp the front seats to get leverage in this position. The man can also sit with his legs straight out between the front seats with the woman straddling his lap, although this is more awkward.
The basic front seat blowjob. The woman leans across and sucks the man. Front and Center. The man kneels straddling the front seats with his cock sticking through the space between the seats. The woman sits in back and blows him.
Both partners are in the backseat, the woman laying across the seat with legs open and the man on all fours over her in the 69 position.
With the door open, either the man or woman sits in the car seat facing outward while their partner kneels outside the car and goes down on them.