Road Tests Real world tests of GT500 Fastback vs Mustang BOSS 429

0-60mph

Top speed

1/4 mile

Differences What are the advantages of each

Front view of Shelby GT500 Fastback

Reasons to consider the
Shelby GT500 Fastback

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Faster top speed 155 mph vs 127 mph 28 more mph; leaves lesser cars in the dust on the straights
Faster to 60mph 6.2 s vs 7.1 s Around 15% faster to 60mph
Default view of Ford Mustang BOSS 429

Reasons to consider the
Ford Mustang BOSS 429

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Faster in the quarter mile 14 s vs 14.7 s Around 5% faster at the drag strip

Specifications Full list of technical specs

general

GT500 Fastback  vs
Mustang BOSS 429 
Brand Shelby Ford
Year 1967 1969
Highest auction price $442k, January 2006 $605k, January 2007

power & handling

Power-to-weight ratio 9.49 lb/hp 9.44 lb/hp
Maximum hp 355 HP @ 5,400 RPM 374 HP @ 5,200 RPM
Maximum torque 421 ft-lb 450 ft-lb @ 3,400 RPM
Engine placement Front Front
Steering system Rack and pinion Rack and pinion

engine

Displacement 7,000 cc 7,030 cc
Cylinders V8 V8
Fuels
Gas

road tests

GT500 Fastback  vs
Mustang BOSS 429 
Top speed 155 mph 127 mph
1/4 mile 14.7 s 14 s
0-60mph 6.2 s 7.1 s

transmission

Drivetrain Rear wheel drive RWD w/3.9 Traction-Loc diff
Gearing Traditional Traditional
# of gears 4 4

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc

physical dimensions

Curb weight 3,370 lb 3,530 lb
Shelby GT500 Fastback
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Ford Mustang BOSS 429
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