Road Tests Real world tests of S7 Twin Turbo Competition vs Venom GT

0-60mph

Top speed

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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Bigger engine 6,991 cc vs 6,205 cc Around 15% bigger engine
Side view of Hennessey Venom GT

Reasons to consider the
Hennessey Venom GT

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Faster top speed 270 mph vs 248 mph 22 more mph; leaves lesser cars in the dust on the straights
More powerful engine 1,200 HP @ 6,500 RPM vs 1,000 HP 20% stronger engine
More expensive sticker price $950k vs $555k More than 70% more expensive harder to own
Higher redline 7,200 RPM vs 6,500 RPM More than 10% more revs

Specifications Full list of technical specs

general

S7 Twin Turbo Competition  vs
Venom GT 
Brand Saleen Hennessey
Price 555,000 950,000
Type of car Production car Production car
Year 2006 2010

power & handling

Power-to-weight ratio 2.95 lb/hp 2.29 lb/hp
Maximum hp 1,000 HP 1,200 HP @ 6,500 RPM
Max RPM 6,500 RPM 7,200 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 6,991 cc 6,205 cc
Cylinders V8 V8
Fuels
Gas
Compression ratio 10.8:1 9.2:1
Bore/stroke 4.12 in / 4 in 4.1 in / 3.6 in
Valves per cylinder 2 2

road tests

S7 Twin Turbo Competition  vs
Venom GT 
Top speed 248 mph 270 mph
0-60mph 2.6 s 2.5 s

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/? 241 265/30 19
Rear wheels 508/? 305 345/30 20

physical dimensions

Curb weight 2,950 lb 2,743 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 GT
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