Road Tests Real world tests of Radical SR8 vs Ariel Atom

Top speed

179 mph
Atom V8 500
170 mph

Differences What are the advantages of each

Side view of Radical SR8

Reasons to consider the
Radical SR8LM

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Faster top speed 179 mph vs 170 mph 9 more mph; leaves lesser cars in the dust on the straights
Side view of Ariel Atom

Reasons to consider the
Ariel Atom V8 500

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Slightly more expensive sticker price $225k vs $180k 25% more expensive harder to own
Slightly lighter curb weight 1,210 lb vs 1,430 lb More than 15% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs


Radical SR8  vs
Ariel Atom 
Brand Radical Ariel
Price 180,000 225,000
Year 2007 2008

power & handling

Power-to-weight ratio 3.18 lb/hp 2.55 lb/hp
Maximum hp 449 HP @ 10,500 RPM 475 HP @ 10,000 RPM
Engine placement Mid Mid
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc

road tests

Radical SR8  vs
Ariel Atom 
Top speed 179 mph 170 mph


Drivetrain RWD w/Quaife RQ2 Differntial 2WD
Gearing Traditional Traditional


Displacement 2,800 cc 3,000 cc
Cylinders V8 V8

physical dimensions

Curb weight 1,430 lb 1,210 lb
Radical SR8LM
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Ariel Atom V8 500
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