Differences What are the advantages of each

Front view of Saleen S7 Twin Turbo Competition

Reasons to consider the
Saleen S7 Twin Turbo Competition

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TwinRev is not aware of any important advantages of the Saleen S7 Twin Turbo Competition vs the Hennessey Venom GT2.

Side view of Hennessey Venom GT2

Reasons to consider the
Hennessey Venom GT2

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Much more powerful engine 1,500 HP vs 1,000 HP 50% stronger engine
Much more expensive sticker price $950k vs $555k More than 70% more expensive harder to own
Lighter curb weight 2,685 lb vs 2,950 lb Around 10% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs

general

S7 Twin Turbo Competition  vs
Venom GT2 
Brand Saleen Hennessey
Price 555,000 950,000
Type of car Production car Production car
Year 2006 2013

transmission

Drivetrain RWD w/Limited Slip Differential RWD
Gearing Traditional Traditional
# of gears 6 6
Gear ratios
1: 2.86:1
2: 1.61:1
3: 1.14:1
4: 0.96:1
5: 0.81:1
6: 0.64:1
Axle ratio 3.7:1 3.36:1

suspension, wheels & brakes

Front brakes Brembo Disc Brembo Disc
Rear brakes Brembo Disc Brembo Disc
Front wheels 483/? 241 508/? 241
Rear wheels 508/? 305 508/? 318

power & handling

S7 Twin Turbo Competition  vs
Venom GT2 
Power-to-weight ratio 2.95 lb/hp 1.79 lb/hp
Maximum hp 1,000 HP 1,500 HP
Steering system Rack and pinion Rack and pinion

engine

Displacement 6,991 cc 7,000 cc
Cylinders V8 V8
Fuels
Gas
Compression ratio 10.8:1 8.8:1
Valves per cylinder 2 2

physical dimensions

Curb weight 2,950 lb 2,685 lb
Width 78.3 in 77.2 in
Height 41 in 42.5 in
Length 188 in 183.3 in
Front track width 68.8 in 63.5 in
Wheelbase 106.3 in 110.2 in
Saleen S7 Twin Turbo Competition
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Hennessey Venom GT2
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