Road Tests Real world tests of Ultimate Aero vs BMW Z4 M

0-60mph

BMW Z4 M
4.8 s

Top speed

Ultimate Aero
256 mph
BMW Z4 M
155 mph

1/4 mile

BMW Z4 M
13.4 s

Differences What are the advantages of each

Side view of SSC Ultimate Aero

Reasons to consider the
SSC Ultimate Aero

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Faster top speed 256 mph vs 155 mph 101 more mph; leaves lesser cars in the dust on the straights
Much more powerful engine 1,287 HP @ 6,075 RPM vs 343 HP @ 7,900 RPM More than 3.8x stronger engine
Much more torque 1,113 ft-lb @ 6,150 RPM vs 262 ft-lb @ 4,900 RPM Around 4.2x stronger engine from a stand-still; more acceleration power
Much faster in the quarter mile 9.9 s vs 13.4 s More than 25% faster at the drag strip
A lot faster to 60mph 2.8 s vs 4.8 s More than 40% faster to 60mph
Way more expensive sticker price $740k vs $51k More than 14.5x more expensive harder to own
Much bigger engine 6,345 cc vs 3,246 cc More than 95% bigger engine
Lighter curb weight 2,750 lb vs 3,270 lb More than 15% lighter curb weight; less inertia to overcome when accelerating
Front view of BMW Z4 M

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BMW Z4 M

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Higher redline 8,000 RPM vs 7,200 RPM More than 10% more revs

Specifications Full list of technical specs

general

Ultimate Aero  vs
BMW Z4 M 
Brand SSC BMW
Price 740,000 51,400
Year 2009 2006

power & handling

Power-to-weight ratio 2.14 lb/hp 9.53 lb/hp
Maximum hp 1,287 HP @ 6,075 RPM 343 HP @ 7,900 RPM
Maximum torque 1,113 ft-lb @ 6,150 RPM 262 ft-lb @ 4,900 RPM
Max RPM 7,200 RPM 8,000 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 6,345 cc 3,246 cc
Fuels
Gas
Compression ratio 8.97:1 11.5:1
Bore/stroke 4.13 in / 3.62 in 3.43 in / 3.58 in

physical dimensions

Curb weight 2,750 lb 3,270 lb
Width 82.7 in 70.1 in
Height 43 in 51.3 in
Length 176.2 in 161.9 in
Wheelbase 105.2 in 98.3 in

road tests

Ultimate Aero  vs
BMW Z4 M 
Top speed 256 mph 155 mph
1/4 mile 9.9 s 13.4 s
0-60mph 2.8 s 4.8 s

transmission

Drivetrain RWD RWD w/Variable M Differential
Gearing Traditional Traditional
# of gears 6 6

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Front wheels 483/? 241 457/? 203
Rear wheels 508/? 330 457/? 229
SSC Ultimate Aero
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BMW Z4 M
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