The grey car you see in these, pictures, however, is neither Zig nor Zag - these are the "first conceptual illustrations of the road car variant" (so says Aston).
The first of the two show V12 Zagatos, finished in its distinctive green livery, is the full endurance race car, as campaigned at the Nürburgring.
this Aston Martin V12 Zagato, in other words).
The second of the 510bhp, 420lb ft cars ( yup, 'Zag') was the concept originally shown at the Villa D'Este Concours on Lake Como, and which was subsequently converted into the same full racing specification as the sister car.
Since the 24 hour race, Zag has been returned to its original show specification. Although