Road Tests Real world tests of 911 GT3 RS 4.0 vs Ariel Atom

0-60mph

Top speed

911 GT3 RS 4.0
192 mph
Atom V8 500
170 mph

0-100mph

1/4 mile

Atom V8 500
11.2 s

Differences What are the advantages of each

Car-autoblog view of Porsche 911 GT3 RS 4.0

Reasons to consider the
Porsche 911 GT3 RS 4.0

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Faster top speed 192 mph vs 170 mph 22 more mph; leaves lesser cars in the dust on the straights
More torque 340 ft-lb @ 5,750 RPM vs 268 ft-lb @ 7,750 RPM More than 25% stronger engine from a stand-still; more acceleration power
Bigger engine 4,000 cc vs 3,000 cc Around 35% bigger engine
Side view of Ariel Atom

Reasons to consider the
Ariel Atom V8 500

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Has an air compressor Supercharger vs None Most supercars don't have an air compressor
Faster to 100mph 5.4 s vs 7.8 s More than 30% faster to 100mph
Much lighter curb weight 1,210 lb vs 2,992 lb 2.5x lighter curb weight; less inertia to overcome when accelerating
Faster in the quarter mile 11.2 s vs 11.8 s More than 5% faster at the drag strip

Specifications Full list of technical specs

general

911 GT3 RS 4.0  vs
Ariel Atom 
Brand Porsche Ariel
Price 233,960 225,000
Type of car Production car Production car
Year 2011 2008

power & handling

Power-to-weight ratio 6.07 lb/hp 2.55 lb/hp
Maximum hp 493 HP @ 8,250 RPM 475 HP @ 10,000 RPM
Maximum torque 340 ft-lb @ 5,750 RPM 268 ft-lb @ 7,750 RPM
Engine placement Rear Mid
Steering system rack&pinionVPAS Rack and pinion

engine

Displacement 4,000 cc 3,000 cc
Cylinders Flat 6 V8
Air compressor None Supercharger
Fuels
Gas
Valvetrain Dual overhead camshaft (DOHC) DOHC

road tests

911 GT3 RS 4.0  vs
Ariel Atom 
Top speed 192 mph 170 mph
1/4 mile 11.8 s 11.2 s
0-60mph 3.6 s 2.3 s
0-100mph 7.8 s 5.4 s

transmission

Drivetrain RWD 2WD
Gearing Traditional Traditional
# of gears 6 6

suspension, wheels & brakes

Front brakes 14.96 in Disc Disc
Rear brakes 13.78 in Disc Disc

physical dimensions

Curb weight 2,992 lb 1,210 lb
Porsche 911 GT3 RS 4.0
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Ariel Atom V8 500
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