but esteem is 85BHP in a 860 kg car.
so the power to weight ratio in esteem is much higher than zen which is 60BHP in 780kg! so accleration of the esteem would definitely be better.
also esteem is 1.3 vs 993cc in a zen.
may be low slung seating and not so good looks works against it!
wow now i realise the value of having an old gen mpfi zen