Stock selection.
1) White BMW 3 series M Sport coupe with dark grey or black alloy wheels
2) very low mileage Honda Jazz Auto under six grand.
Very different people will look at either car so the Facebook targeted "boosted" ad will aim at 25-35 year old men for the first car for example and 55-69 year old ladies for the Jazz. Heavily focus on Finance for car 1 and don't even bother mentioning it for car 2.