Road Tests Real world tests of GT500 vs Cobra 427 S/C

0-60mph

Top speed

GT500 Coupe
195 mph
Cobra 427 S/C
164 mph

0-100mph

GT500 Coupe
7.7 s
Cobra 427 S/C
10.3 s

1/4 mile

GT500 Coupe
11.7 s
Cobra 427 S/C
12.2 s

Differences What are the advantages of each

Front view of Shelby GT500

Reasons to consider the
Shelby GT500 Coupe

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Has an air compressor Supercharger vs None Most supercars don't have an air compressor
Faster top speed 195 mph vs 164 mph 31 more mph; leaves lesser cars in the dust on the straights
More expensive sticker price $49k vs $10k Around 5x more expensive harder to own
More powerful engine 550 HP @ 6,200 RPM vs 425 HP @ 5,600 RPM Around 30% stronger engine
Faster to 100mph 7.7 s vs 10.3 s More than 25% faster to 100mph
Faster in the quarter mile 11.7 s vs 12.2 s Around 5% faster at the drag strip
More torque 511 ft-lb @ 4,500 RPM vs 463 ft-lb @ 2,800 RPM More than 10% stronger engine from a stand-still; more acceleration power
Front view of Shelby Cobra 427 S/C

Reasons to consider the
Shelby Cobra 427 S/C

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Significantly lighter curb weight 2,354 lb vs 3,813 lb Around 40% lighter curb weight; less inertia to overcome when accelerating
Bigger engine 7,000 cc vs 5,400 cc Around 30% bigger engine
Better power-to-weight ratio 5.54 lb/hp vs 6.93 lb/hp More than 20% better power-to-weight ratio

Specifications Full list of technical specs

general

GT500  vs
Cobra 427 S/C 
Brand Shelby Shelby
Price 49,495 9,500
Type of car Production car Production car
Year 2011 1966

power & handling

Power-to-weight ratio 6.93 lb/hp 5.54 lb/hp
Maximum hp 550 HP @ 6,200 RPM 425 HP @ 5,600 RPM
Maximum torque 511 ft-lb @ 4,500 RPM 463 ft-lb @ 2,800 RPM
Engine placement Front Front
Steering system Rack and pinion Rack and pinion

engine

Displacement 5,400 cc 7,000 cc
Cylinders V8 V8
Air compressor Supercharger None
Fuels
Gas
Compression ratio 8.4:1 11.5:1
Bore/stroke 3.6 in / 4.2 in 4.23 in / 3.78 in
Valves per cylinder 4 2

road tests

GT500  vs
Cobra 427 S/C 
Top speed 195 mph 164 mph
1/4 mile 11.7 s 12.2 s
0-60mph 3.5 s 3.8 s
0-100mph 7.7 s 10.3 s

transmission

Drivetrain RWD Front Engine / RWD
Shift system Manual Manual
Gearing Traditional Traditional
# of gears 6 4
Gear ratios
1: 2.97:1
2: 1.78:1
3: 1.3:1
4: 1:1
5: 0.74:1
6: 0.5:1
Axle ratio 3.55:1 3.54:1

suspension, wheels & brakes

Front brakes Brembo Disc Disc
Rear brakes Brembo Disc Disc

physical dimensions

Curb weight 3,813 lb 2,354 lb
Width 73.9 in 68 in
Height 54.5 in 49 in
Length 188.2 in 156 in
Front track width 61.9 in 55 in
Wheelbase 107.1 in 90 in
Shelby GT500 Coupe
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Shelby Cobra 427 S/C
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