Road Tests Real world tests of GT500 vs 911 Carrera S Coupé

0-60mph

Top speed

1/4 mile

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
Significantly more torque 511 ft-lb @ 4,500 RPM vs 325 ft-lb @ 5,600 RPM More than 55% stronger engine from a stand-still; more acceleration power
Way more more powerful engine 550 HP @ 6,200 RPM vs 400 HP @ 7,400 RPM Around 40% stronger engine
Faster top speed 195 mph vs 188 mph 7 more mph; leaves lesser cars in the dust on the straights
Bigger engine 5,400 cc vs 3,800 cc More than 40% bigger engine
Front view of Porsche 911 Carrera S Coupé

Reasons to consider the
Porsche 911 Carrera S Coupé

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Way more expensive sticker price $99k vs $49k More than 2x more expensive harder to own
Lighter curb weight 3,076 lb vs 3,813 lb Around 20% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs

general

GT500  vs
911 Carrera S Coupé 
Brand Shelby Porsche
Price 49,495 98,900
Type of car Production car Production car
Year 2011 2012
City mileage 15 MPG 19 MPG
Highway mileage 23 MPG 26 MPG

transmission

Drivetrain RWD RWD
Gearing Traditional Traditional
# of gears 6 7
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
7: 0.71:1
Axle ratio 3.55:1 3.44:1

suspension, wheels & brakes

Front brakes Brembo Disc Disc
Rear brakes Brembo Disc Disc
Front wheels 483/? 241 508/? 216
Rear wheels 483/? 241 508/? 279

physical dimensions

Curb weight 3,813 lb 3,076 lb
Width 73.9 in 71.2 in
Height 54.5 in 51 in
Length 188.2 in 176.8 in
Front track width 61.9 in 60.6 in
Wheelbase 107.1 in 96.5 in

road tests

GT500  vs
911 Carrera S Coupé 
Top speed 195 mph 188 mph
1/4 mile 11.7 s 12 s
0-60mph 3.5 s 3.7 s

power & handling

Power-to-weight ratio 6.93 lb/hp 7.69 lb/hp
Maximum hp 550 HP @ 6,200 RPM 400 HP @ 7,400 RPM
Maximum torque 511 ft-lb @ 4,500 RPM 325 ft-lb @ 5,600 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 5,400 cc 3,800 cc
Cylinders V8 Flat 6
Air compressor Supercharger None
Fuels
Gas
Compression ratio 8.4:1 12.5:1
Bore/stroke 3.6 in / 4.2 in 4.02 in / 3.05 in
Valvetrain DOHC DOHC
Valves per cylinder 4 4
Shelby GT500 Coupe
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Porsche 911 Carrera S Coupé
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