Road Tests Real world tests of Viper GTS vs Challenger SRT8 ACR

0-60mph

Top speed

Viper GTS
192 mph

0-100mph

1/4 mile

Differences What are the advantages of each

Front view of Dodge Viper GTS

Reasons to consider the
Dodge Viper GTS

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Faster top speed 192 mph vs 167 mph 25 more mph; leaves lesser cars in the dust on the straights
Bigger engine 8,000 cc vs 6,400 cc 25% bigger engine
Lighter curb weight 3,476 lb vs 4,253 lb Around 20% lighter curb weight; less inertia to overcome when accelerating
Slightly faster in the quarter mile 12.2 s vs 12.6 s Around 5% faster at the drag strip
Car-autoblog view of Dodge Challenger SRT8 ACR

Reasons to consider the
Dodge Challenger SRT8 ACR

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Higher redline 6,400 RPM vs 6,000 RPM More than 5% more revs

Specifications Full list of technical specs

general

Viper GTS  vs
Challenger SRT8 ACR 
Brand Dodge Dodge
Year 1997 2011
Highest auction price $70k, January 2004 $175k, January 2013

power & handling

Power-to-weight ratio 7.71 lb/hp 9.03 lb/hp
Maximum hp 451 HP @ 5,200 RPM 471 HP @ 6,200 RPM
Maximum torque 491 ft-lb @ 3,700 RPM 471 ft-lb @ 4,800 RPM
Max RPM 6,000 RPM 6,400 RPM
Engine placement Front Front
Steering system Rack and pinion Rack and pinion

engine

Displacement 8,000 cc 6,400 cc
Cylinders V10 V8
Air compressor None None
Fuels
Gas
Compression ratio 9.6:1 10.3:1
Bore/stroke 4 in / 3.88 in 4.06 in / 3.58 in

road tests

Viper GTS  vs
Challenger SRT8 ACR 
Top speed 192 mph 167 mph
1/4 mile 12.2 s 12.6 s
0-60mph 4 s 4.2 s
0-100mph 10 s 10.2 s

transmission

Drivetrain Front Engine / RWD LX Platform RWD w/ESP
Gearing Traditional Traditional
# of gears 6 5
Axle ratio 3.07:1 3.06:1

suspension, wheels & brakes

Front brakes Disc Brembo Disc
Rear brakes Disc Brembo Disc
Front wheels 330/? 330 508/? 229
Rear wheels 330/? 330 508/? 229

physical dimensions

Curb weight 3,476 lb 4,253 lb
Width 75.7 in 75.7 in
Height 47 in 57 in
Length 176.7 in 197.7 in
Front track width 59.6 in 63 in
Wheelbase 96.2 in 116 in
Dodge Viper GTS
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Dodge Challenger SRT8 ACR
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