Differences What are the advantages of each

Front view of Chevrolet Corvette

Reasons to consider the
Chevrolet Corvette Z06

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Significantly lighter curb weight 3,130 lb vs 4,356 lb Around 30% lighter curb weight; less inertia to overcome when accelerating
Faster top speed 198 mph vs 190 mph 8 more mph; leaves lesser cars in the dust on the straights
More expensive sticker price $74k vs $58k Around 30% more expensive harder to own
Better power-to-weight ratio 6.26 lb/hp vs 7.83 lb/hp More than 20% better power-to-weight ratio
Higher redline 7,000 RPM vs 6,200 RPM Around 15% more revs
Bigger engine 7,011 cc vs 6,200 cc Around 15% bigger engine
Great lap time on the 20.6km Nurburgring 7:22.68 vs 7:59.32 Around 10% great lap time on the 20.6km Nurburgring
Side view of Cadillac CTS-V

Reasons to consider the
Cadillac CTS-V

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Has an air compressor Supercharger vs None Most supercars don't have an air compressor
More torque 553 ft-lb @ 6,200 RPM vs 465 ft-lb @ 4,600 RPM Around 20% stronger engine from a stand-still; more acceleration power
More powerful engine 556 HP @ 6,200 RPM vs 500 HP @ 6,200 RPM More than 10% stronger engine

Specifications Full list of technical specs

general

Corvette  vs
CTS-V 
Brand Chevrolet Cadillac
Price 74,305 57,920
Type of car Production car Production car
Year 2011 2009
City mileage 15 MPG 14 MPG
Highway mileage 24 MPG 19 MPG

power & handling

Power-to-weight ratio 6.26 lb/hp 7.83 lb/hp
Maximum hp 500 HP @ 6,200 RPM 556 HP @ 6,200 RPM
Maximum torque 465 ft-lb @ 4,600 RPM 553 ft-lb @ 6,200 RPM
Max RPM 7,000 RPM 6,200 RPM
Engine placement Front Front
Steering system Rack and pinion Rack and pinion

engine

Displacement 7,011 cc 6,200 cc
Cylinders V8 V8
Air compressor None Supercharger
Fuels
Gas
Compression ratio 11:1 9:1
Bore/stroke 4.13 in / 4 in 4.06 in / 3.62 in
Valves per cylinder 2 2

road tests

Corvette  vs
CTS-V 
Top speed 198 mph 190 mph
1/4 mile 12 s 11.9 s
0-60mph 3.6 s 3.9 s
0-100mph 8.3 s 8.7 s
20.6km nurburgring time 7:22.68 7:59.32
Laguna seca lap time 1:34.43 1:43.90
Hockenheim short lap time 1:08.70 1:14.50

transmission

Drivetrain RWD w/Electronic Traction Control RWD w/StabiliTrak Stability Control
Gearing Traditional Traditional
# of gears 6 6
Gear ratios
1: 2.97:1
2: 2.07:1
3: 1.43:1
4: 1:1
5: 0.71:1
6: 0.57:1
Axle ratio 3.42:1 3.73:1

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Front wheels 285/30 19 483/? 229
Rear wheels 510/30 20 483/? 241

physical dimensions

Curb weight 3,130 lb 4,356 lb
Width 76 in 72.5 in
Height 49.1 in 58 in
Length 174.6 in 191.6 in
Front track width 63.5 in 61.8 in
Wheelbase 105.7 in 113.4 in
Chevrolet Corvette Z06
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Cadillac CTS-V
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