2019 Ariel Atom 4

The Atom 4 is a motor car from Ariel, with rear wheel drive, a mid located engine and a roadster body style. It is powered by a turbocharged engine of 2 litre capacity. This powerplant features double overhead camshaft valve gear, 4 cylinder layout, and 4 valves per cylinder. It develops 316 bhp (320 PS/236 kW) of power at 6500 rpm, and maximum torque of 420 N·m (310 lb·ft/42.8 kgm) at 3000 rpm. The engine transmits power to the wheels through a 6 speed manual gearbox. Its quoted weight at the kerb is 595 kg. Maximum quoted speed is 261 km/h or 162 mph.
Full specs

Body type
0 door roadster with 2 seats
Length
3520 mm
Weight
595 kg
Engine type
turbocharged petrol
Engine size
2 litre
Cylinders
4, Straight
Power
320 PS / 316 bhp / 236 kW @ 6500 rpm
Torque
420 Nm / 310 ft.lb / 42.8 kgm @ 3000 rpm
Acceleration
0-60 mph 2.8 s
Top speed
261 km/h / 162 mph

2019 Ariel Atom 4 specifications

2019 Ariel Atom 4 data
bodywork
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Body type	2 seater roadster
Number of doors	0
Designer
dimensions & weights
Wheelbase	2390 mm	94.1 inches
Track/tread (front)	1600 mm	63 inches
Track/tread (rear)	1615 mm	63.6 inches
Length	3520 mm	138.6 inches
Width	1880 mm	74 inches
Height	1122 mm	44.2 inches
Ground clearance
length:wheelbase ratio	1.47
Kerb weight	595 kg	1312 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	turbocharged petrol
Engine manufacturer	Honda
Engine code	K20C
Cylinders	Straight 4
Capacity	2 litre 1996 cc (121.803 cu in)
Bore × Stroke	86 × 85.9 mm 3.39 × 3.38 in
Bore/stroke ratio	1
Valve gear	double overhead camshaft (DOHC) 4 valves per cylinder 16 valves in total
maximum power output	320 PS (316 bhp) (236 kW) at 6500 rpm
maximum torque	420 Nm (310 ft·lb) (42.8 kgm) at 3000 rpm
Specific output	118.1 kW/litre 160.5 ps/litre 158.3 bhp/litre 2.59 bhp/cu in
Specific torque	210.42 Nm/litre 2.54 ft·lb/cu³
Engine construction
Lubrication	wet sumped
compression ratio
Fuel system	direct petrol injection
bmep (brake mean effective pressure)	2644.2 kPa (383.5 psi)
Maximum RPM
crankshaft bearings	5
Engine coolant	Water
Unitary capacity	499 cc
Aspiration	Turbo
Compressor
Intercooler
Catalytic converter	Y
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph	2.8 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)	6.8 s
Standing quarter-mile
Standing kilometre
Maximum speed	261 km/h (162 mph)
Power-to-weight ratio	Higher is better 538.47 PS/tonne (1000 kg) 0.54 PS/kg 396.04 kW/tonne (1000 kg) 0.4 kW/kg 531.09 bhp/tonne (1000 kg) 0.53 bhp/kg 0.24 bhp/lb
Weight-to-power ratio	Lower is better 2.53 kg/kW 4.22 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	mid
Engine layout	transverse
Drive wheels	rear wheel drive
Torque split	N/A
Steering	rack & pinion
turns lock-to-lock	2.000
Turning circle
Front suspension
Rear suspension
Wheel size front	7J x 16
Wheel size rear	9J x 17
Tyres front	Avon ZZR 195/50 R 16
Tyres rear	Avon ZZR 255/40 R 17
Brakes F/R	VeDi/Di-S
Front brake diameter	278 mm
Rear brake diameter	253 mm
Braked area
Gearbox	6 speed manual
Top gear ratio
Final drive ratio
general
Carfolio.com ID	611215
Production total
Model code
RAC rating	18.3
Insurance classification	No information available
Tax band	No information available
2019 Ariel Atom 4 added 2019-10-09. Last modified 2020-03-16.