[Klaus Schiffler]

Here are the performance statistics as taken from Monogram Close-Up 6 Gustav Messerschmitt 109G Parts 1 and 2 by Thomas H. Hitchcock. The figures are taken from the General Luftzeugmeisters/C-E2 13 August and 1 November 1944.

Bf 109G-6/AS:

Max combat speed at ground level: 310 mph
Max combat speed at max altitude: 402 mph @ 28,871 ft
Max emergency speed at ground level: 322 mph
Max emergency speed at max altitutde: 402 @ 29,528 ft

Bf 109G-14/AS:

Max combat speed at ground level: 294 mph
Max combat speed at max altitude: 387 mph
Max emergency speed at ground level: 336 mph
Max emergency speed at max altitude: 408 @ 24,606