Road Tests Real world tests of 918 Spyder vs Ariel Atom


918 Spyder
2.8 s
Atom V8 500
2.3 s

Top speed

918 Spyder
214 mph
Atom V8 500
170 mph

Differences What are the advantages of each

Front view of Porsche 918 Spyder

Reasons to consider the
Porsche 918 Spyder

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Much more torque 944 ft-lb vs 268 ft-lb @ 7,750 RPM More than 3.5x stronger engine from a stand-still; more acceleration power
Faster top speed 214 mph vs 170 mph 44 more mph; leaves lesser cars in the dust on the straights
Much more powerful engine 887 HP @ 8,500 RPM vs 475 HP @ 10,000 RPM More than 85% stronger engine
Way more expensive sticker price $1.006M vs $225k Around 4.5x more expensive harder to own
Bigger engine 4,593 cc vs 3,000 cc Around 55% bigger engine
Side view of Ariel Atom

Reasons to consider the
Ariel Atom V8 500

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Much lighter curb weight 1,210 lb vs 3,749 lb 3.1x lighter curb weight; less inertia to overcome when accelerating
Faster to 60mph 2.3 s vs 2.8 s Around 20% faster to 60mph

Specifications Full list of technical specs


918 Spyder  vs
Ariel Atom 
Brand Porsche Ariel
Price 1,006,114 225,000
Type of car Production car Production car
Year 2013 2008


Body style sports car Roadster


Drivetrain 4WD 2WD
Gearing Traditional Traditional
# of gears 7 6

suspension, wheels & brakes

Front brakes 16 in Disc Disc
Rear brakes 15.4 in Disc Disc

road tests

918 Spyder  vs
Ariel Atom 
Top speed 214 mph 170 mph
0-60mph 2.8 s 2.3 s

power & handling

Power-to-weight ratio 4.23 lb/hp 2.55 lb/hp
Maximum hp 887 HP @ 8,500 RPM 475 HP @ 10,000 RPM
Maximum torque 944 ft-lb 268 ft-lb @ 7,750 RPM
Engine placement Mid Mid
Steering system Rack and pinion Rack and pinion


Displacement 4,593 cc 3,000 cc
Cylinders V8 V8
Valvetrain DOHC DOHC

physical dimensions

Curb weight 3,749 lb 1,210 lb
Porsche 918 Spyder
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Ariel Atom V8 500
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