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What is it?
The new ZL1 is the ultimate factory Camaro--now and probably ever. It's certainly the most powerful, with 54 percent more horsepower than the infamous COPO-option, big-block 1969 Camaro ZL-1. Development engineers say one-third of the ZL1's parts are unique, compared with the current fifth-generation Camaro SS. All of those unique parts, save the ZL1's Alcantara dash insert, were upgraded to improve performance.
It starts under the hood with General Motors' supercharged, 6.2-liter LSA V8. Familiar from the Cadillac CTS-V, the LSA is similar but not identical to the LS9 small-block in the Corvette ZR1, and its distinctions go beyond a smaller Eaton twin-scroll supercharger. The ZL1 engine is assembled in Silao, Mexico, while the Corvette LS9 is hand-built at GM's Performance Build Center in Wixom, Mich., with titanium connecting rods and valves and dry-sump lubrication.
Drivetrain: 6.2-liter supercharged V8, 580 hp @ 6100 rpm, 556 lb-ft @ 3800;
six-speed manual or six-speed torque-converter automatic transmission,
Curb Weight: 4,120 lb,
0-60 MPH: 3.9 sec (auto), 4.0 sec (manual),
Fuel Economy (EPA): 16 mpg
Top speed: 184 mph (mfr)