10Best Performers, 2005*
Acceleration, 0 to 60 mph Chevrolet Corvette Z06, 3.4 sec
Street start, 5 to 60 mph Chevrolet Corvette Z06, Mercedes-Benz SLR McLaren, 3.8s
Quarter-mile Mercedes-Benz SLR McLaren, 11.6 sec @ 125 mph
Top-gear acceleration† Mercedes-Benz SLR McLaren, 4.1 sec
Braking, 70 to 0 mph Chevrolet Corvette Z06, 144 feet
Roadholding, 300-foot-dia skidpad Chevrolet Corvette Z06, Dodge Viper SRT10 coupe, 1.01 g
Interior sound level @ 70 mph Lexus GS430, 63 dBA
EPA city fuel economy Lexus RX400h, 31 mpg
C/D-observed fuel economy Chevrolet Cobalt LS, 27 mpg
10Worst Performers, 2005*
Acceleration, 0 to 60 mph GMC TopKick C4500 by Monroe Truck, 14.4 sec
Street start, 5 to 60 mph GMC TopKick C4500 by Monroe Truck, 15.5 sec
Quarter-mile GMC TopKick C4500 by Monroe Truck, 19.8 sec @ 68 mph
Top-gear acceleration† Nissan Xterra Off-Road 4WD, 32.4 sec
Braking, 70 to 0 mph Dodge Dakota SLT, 229 feet
Roadholding, 300-foot-dia skidpad GMC TopKick C4500 by Monroe Truck, 0.61 g
Interior sound level @ 70 mph Porsche 911 Turbo S cabriolet, 82 dBA
EPA city fuel economy Dodge Ram SRT10 Quad Cab, 9 mpg
C/D-observed fuel economy GMC TopKick C4500 by Monroe Truck, 8 mpg