While Chevrolet officially claimed that the ultimate power output of the LS6 was 405*hp, many dynamometer tests have shown that Chevrolet underrated the engine by 20*hp, giving it an actual total of 425*hp.
Factory performance figures for the 405*hp version of the Z06 give an acceleration time from 0-60*mph as 3.9 seconds. Owner-drivers have reportedly achieved impressive quarter-mile times of 11.7[1] seconds. The Z06 is capable of matching or besting the 0-60 acceleration times of some of the world's premier sports cars, including the BMW Z8, Ferrari 360, and Porsche 911 Turbo (Type 996), making it one of the best performance bargains under $100,000. Although not considered quite a supercar, primarily because production numbers are too great and top speed does not exceed 200 mph, the Z06 has many supercar abilities, such as a 7.33 lb/hp weight-to-power ratio as well as the performance specification marked with an asterisk in the following table:
Event
Performance
Supercar
Criteria
0-60 mph
3.9 sec
* Under 4 sec
0-100 mph
9.2 sec
0-100-0 mph
13.56 sec[2]
* Under 14 sec
1/4 Mile
11.7 sec
* Under 13 sec
Skid Pad
1.03 G
* Over 1 G
Top Speed
186 mph
Nürburgring Nordschleife Lap Time *
7:53
* Under 8 min
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