Road Tests Real world tests of S7 Twin Turbo Competition vs Ultimate Aero TT

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 6,300 cc More than 10% bigger engine
Default view of SSC Ultimate Aero TT

Reasons to consider the
SSC Ultimate Aero TT

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More powerful engine 1,167 HP @ 6,875 RPM vs 1,000 HP More than 15% stronger engine
Faster top speed 254 mph vs 248 mph 6 more mph; leaves lesser cars in the dust on the straights
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
Ultimate Aero TT 
Brand Saleen SSC
Price 555,000 585,000
Type of car Production car Production car
Year 2006 2007

power & handling

Power-to-weight ratio 2.95 lb/hp 2.36 lb/hp
Maximum hp 1,000 HP 1,167 HP @ 6,875 RPM
Max RPM 6,500 RPM 7,200 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 6,991 cc 6,300 cc
Cylinders V8 V8
Fuels
Gas
Compression ratio 10.8:1 8.98:1
Bore/stroke 4.12 in / 4 in 4.13 in / 3.62 in
Valves per cylinder 2 2

road tests

S7 Twin Turbo Competition  vs
Ultimate Aero TT 
Top speed 248 mph 254 mph
0-60mph 2.6 s 2.78 s

transmission

Drivetrain RWD w/Limited Slip Differential Rear wheel drive
Gearing Traditional Traditional
# of gears 6 6
Axle ratio 3.7:1 3.44:1

suspension, wheels & brakes

Front brakes Brembo Disc Disc
Rear brakes Brembo Disc Disc
Front wheels 483/? 241 483/? 229
Rear wheels 508/? 305 508/? 318

physical dimensions

Curb weight 2,950 lb 2,750 lb
Width 78.3 in 82.7 in
Height 41 in 43 in
Length 188 in 176.2 in
Wheelbase 106.3 in 105.2 in
Saleen S7 Twin Turbo Competition
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SSC Ultimate Aero TT
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