Road Tests Real world tests of Ultima GTR vs S7 Twin Turbo Competition

Top speed

Differences What are the advantages of each

Side view of Ultima GTR

Reasons to consider the
Ultima GTR

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Lighter curb weight 2,310 lb vs 2,950 lb More than 20% lighter curb weight; less inertia to overcome when accelerating
Front view of Saleen S7 Twin Turbo Competition

Reasons to consider the
Saleen S7 Twin Turbo Competition

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Much more expensive sticker price $555k vs $150k Around 3.8x more expensive harder to own
Way more more powerful engine 1,000 HP vs 710 HP @ 5,600 RPM More than 40% stronger engine
Faster to 60mph 2.6 s vs 3.3 s More than 20% faster to 60mph
Faster top speed 248 mph vs 234 mph 14 more mph; leaves lesser cars in the dust on the straights
Bigger engine 6,991 cc vs 6,400 cc Around 10% bigger engine
Higher redline 6,500 RPM vs 6,000 RPM Around 10% more revs

Specifications Full list of technical specs


Ultima GTR  vs
S7 Twin Turbo Competition 
Brand Ultima Saleen
Price 150,000 555,000
Year 2000 2006

power & handling

Power-to-weight ratio 3.25 lb/hp 2.95 lb/hp
Maximum hp 710 HP @ 5,600 RPM 1,000 HP
Max RPM 6,000 RPM 6,500 RPM
Steering system Rack and pinion Rack and pinion


Displacement 6,400 cc 6,991 cc
Cylinders V8 V8
Compression ratio 10:1 10.8:1
Bore/stroke 3.9 in / 3.62 in 4.12 in / 4 in
Valves per cylinder 2 2

road tests

Ultima GTR  vs
S7 Twin Turbo Competition 
Top speed 234 mph 248 mph
0-60mph 3.3 s 2.6 s


Drivetrain Mid Engine / RWD RWD w/Limited Slip Differential
Gearing Traditional Traditional
# of gears 5 6

suspension, wheels & brakes

Front brakes Disc Brembo Disc
Rear brakes Disc Brembo Disc
Front wheels 457/? 229 483/? 241
Rear wheels 457/? 343 508/? 305

physical dimensions

Curb weight 2,310 lb 2,950 lb
Width 72.8 in 78.3 in
Height 42.1 in 41 in
Length 157.5 in 188 in
Wheelbase 104.3 in 106.3 in
Ultima GTR
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Saleen S7 Twin Turbo Competition
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