Differences What are the advantages of each

Front view of Shelby GT500

Reasons to consider the
Shelby GT500 Coupe

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Significantly more torque 511 ft-lb @ 4,500 RPM vs 202 ft-lb @ 4,800 RPM More than 2.5x stronger engine from a stand-still; more acceleration power
Way more more powerful engine 550 HP @ 6,200 RPM vs 247 HP @ 6,400 RPM Around 2.2x stronger engine
Much bigger engine 5,400 cc vs 1,998 cc Around 2.8x bigger engine
Front view of Nissan Silvia Spec-R

Reasons to consider the
Nissan Silvia Spec-R

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Lighter curb weight 2,734 lb vs 3,813 lb Around 30% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs

general

GT500  vs
Silvia Spec-R 
Brand Shelby Nissan
Year 2011 1999

transmission

Drivetrain RWD RWD w/Helical Limited-Slip Differential
Gearing Traditional Traditional
# of gears 6 6
Axle ratio 3.55:1 3.69:1

suspension, wheels & brakes

Front brakes Brembo Disc Disc
Rear brakes Brembo Disc Disc

power & handling

GT500  vs
Silvia Spec-R 
Power-to-weight ratio 6.93 lb/hp 11.07 lb/hp
Maximum hp 550 HP @ 6,200 RPM 247 HP @ 6,400 RPM
Maximum torque 511 ft-lb @ 4,500 RPM 202 ft-lb @ 4,800 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 5,400 cc 1,998 cc
Fuels
Gas
Compression ratio 8.4:1 8.5:1
Bore/stroke 3.6 in / 4.2 in 3.39 in / 3.39 in
Valvetrain DOHC DOHC

physical dimensions

Curb weight 3,813 lb 2,734 lb
Width 73.9 in 66.7 in
Height 54.5 in 50.6 in
Length 188.2 in 175 in
Front track width 61.9 in 57.9 in
Wheelbase 107.1 in 99.4 in
Shelby GT500 Coupe
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Nissan Silvia Spec-R
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