Road Tests Real world tests of Ultima GTR vs 918 Spyder

0-60mph

Ultima GTR
3.3 s
918 Spyder
2.8 s

Top speed

Ultima GTR
234 mph
918 Spyder
214 mph

Differences What are the advantages of each

Side view of Ultima GTR

Reasons to consider the
Ultima GTR

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Faster top speed 234 mph vs 214 mph 20 more mph; leaves lesser cars in the dust on the straights
Significantly lighter curb weight 2,310 lb vs 3,749 lb Around 40% lighter curb weight; less inertia to overcome when accelerating
Bigger engine 6,400 cc vs 4,593 cc Around 40% bigger engine
Front view of Porsche 918 Spyder

Reasons to consider the
Porsche 918 Spyder

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Much more torque 944 ft-lb vs 429 ft-lb @ 4,400 RPM Around 2.2x stronger engine from a stand-still; more acceleration power
Way more expensive sticker price $1.006M vs $150k Around 6.8x more expensive harder to own
More powerful engine 887 HP @ 8,500 RPM vs 710 HP @ 5,600 RPM Around 25% stronger engine
Much higher redline 9,150 RPM vs 6,000 RPM Around 55% more revs
Faster to 60mph 2.8 s vs 3.3 s More than 15% faster to 60mph

Specifications Full list of technical specs

general

Ultima GTR  vs
918 Spyder 
Brand Ultima Porsche
Price 150,000 1,006,114
Year 2000 2013

power & handling

Power-to-weight ratio 3.25 lb/hp 4.23 lb/hp
Maximum hp 710 HP @ 5,600 RPM 887 HP @ 8,500 RPM
Maximum torque 429 ft-lb @ 4,400 RPM 944 ft-lb
Max RPM 6,000 RPM 9,150 RPM
Engine placement Mid Mid
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes Disc 16 in Disc
Rear brakes Disc 15.4 in Disc
Front wheels 457/? 229 265/35 241
Rear wheels 457/? 343 325/30 318

road tests

Ultima GTR  vs
918 Spyder 
Top speed 234 mph 214 mph
0-60mph 3.3 s 2.8 s

transmission

Drivetrain Mid Engine / RWD 4WD
Gearing Traditional Traditional
# of gears 5 7

engine

Displacement 6,400 cc 4,593 cc
Cylinders V8 V8
Fuels
Gas
Electricity
Valves per cylinder 2 4

physical dimensions

Curb weight 2,310 lb 3,749 lb
Width 72.8 in 76.4 in
Height 42.1 in 45.9 in
Length 157.5 in 182.8 in
Wheelbase 104.3 in 107.5 in
Ultima GTR
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Porsche 918 Spyder
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