Road Tests Real world tests of Seven 620R vs Ariel Atom


Seven 620R
2.79 s
Atom V8 500
2.3 s

Top speed

Seven 620R
155 mph
Atom V8 500
170 mph

Differences What are the advantages of each

Front view of Caterham Seven 620R

Reasons to consider the
Caterham Seven 620R

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TwinRev is not aware of any important advantages of the Caterham Seven 620R vs the Ariel Atom V8 500.

Side view of Ariel Atom

Reasons to consider the
Ariel Atom V8 500

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More powerful engine 475 HP @ 10,000 RPM vs 311 HP @ 7,700 RPM Around 55% stronger engine
Faster top speed 170 mph vs 155 mph 15 more mph; leaves lesser cars in the dust on the straights
Faster to 60mph 2.3 s vs 2.79 s Around 20% faster to 60mph
More expensive sticker price $225k vs $76k Around 3x more expensive harder to own
Bigger engine 3,000 cc vs 2,000 cc 50% bigger engine
Slightly more torque 268 ft-lb @ 7,750 RPM vs 219 ft-lb @ 7,350 RPM More than 20% stronger engine from a stand-still; more acceleration power

Specifications Full list of technical specs


Seven 620R  vs
Ariel Atom 
Brand Caterham Ariel
Price 76,492 225,000
Type of car Production car Production car
Year 2013 2008

power & handling

Power-to-weight ratio 3.69 lb/hp 2.55 lb/hp
Maximum hp 311 HP @ 7,700 RPM 475 HP @ 10,000 RPM
Maximum torque 219 ft-lb @ 7,350 RPM 268 ft-lb @ 7,750 RPM


Displacement 2,000 cc 3,000 cc
Air compressor Supercharger Supercharger

road tests

Seven 620R  vs
Ariel Atom 
Top speed 155 mph 170 mph
0-60mph 2.79 s 2.3 s


Drivetrain RWD w/LSD 2WD
Gearing Traditional Traditional
# of gears 6 6

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc

physical dimensions

Curb weight 1,147 lb 1,210 lb
Caterham Seven 620R
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Ariel Atom V8 500
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