Road Tests Real world tests of Roadster Sport vs Ariel Atom


Top speed

Roadster Sport
124 mph
Atom V8 500
170 mph


1/4 mile

Atom V8 500
11.2 s

Differences What are the advantages of each

Front view of Tesla Roadster Sport

Reasons to consider the
Tesla Roadster Sport

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TwinRev is not aware of any important advantages of the Tesla Roadster Sport vs the Ariel Atom V8 500.

Side view of Ariel Atom

Reasons to consider the
Ariel Atom V8 500

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A lot faster to 100mph 5.4 s vs 11.5 s 2.1x faster to 100mph
Faster top speed 170 mph vs 124 mph 46 more mph; leaves lesser cars in the dust on the straights
Faster in the quarter mile 11.2 s vs 12.6 s More than 10% faster at the drag strip
More powerful engine 475 HP @ 10,000 RPM vs 285 HP @ 4,400 RPM More than 65% stronger engine
Significantly lighter curb weight 1,210 lb vs 2,724 lb 2.3x lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs


Roadster Sport  vs
Ariel Atom 
Brand Tesla Ariel
Price 128,500 225,000
Type of car Production car Production car
Year 2010 2008

power & handling

Power-to-weight ratio 9.56 lb/hp 2.55 lb/hp
Maximum hp 285 HP @ 4,400 RPM 475 HP @ 10,000 RPM
Maximum torque 281 ft-lb @ 0 RPM 268 ft-lb @ 7,750 RPM
Steering system Rack and pinion Rack and pinion



physical dimensions

Curb weight 2,724 lb 1,210 lb

road tests

Roadster Sport  vs
Ariel Atom 
Top speed 124 mph 170 mph
1/4 mile 12.6 s 11.2 s
0-60mph 3.7 s 2.3 s
0-100mph 11.5 s 5.4 s


Drivetrain Rear wheel drive 2WD
Gearing Traditional Traditional
# of gears 1 6

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Tesla Roadster Sport
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Ariel Atom V8 500
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