Car comparison

Ariel Atom 4 2.0vsMercedes-Benz SLK (R172) SLK 350 V6

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Ariel Atom 4

2.0

320 hp1996 ccGasolineRWDManualTurbochargedRoadster2018-present
VS

Mercedes-Benz SLK (R172)

SLK 350 V6

306 hp3498 ccGasolineRWDAutomaticNaturally aspiratedRoadster2011-2015

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Ariel Atom 4 2.0

  • Quickest 0-100 km/h
    2.8 s
  • Fastest top speed
    280 km/h
    174 mph Unrestricted
    260 km/h
    162 mph Restricted
  • Most powerful
    320 hp
    239 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Lightest
    595 kg
    1,312 lb
  • Best power-to-weight
    538 hp/t
    401 kW/t
    1.9 kg/hp
  • Best overall score
    62/100
  • Best performance score
    79/100

Specification comparison

Specification comparison
ModelArielAtom 42.0Mercedes-BenzSLK (R172)SLK 350 V6
Power
320hp239kW
306hp228kW
Torque
420Nm310lb-ft
370Nm273lb-ft
Curb weight
595kg1,312lb
1,465kg3,230lb
Gross weight-
1,855kg4,090lb
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
30.7s99% target: 277 km/h / 172 mph
Calculated
72.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
2.8s
5.6s
0-200 km/h
8.1s
Calculated
19.0s
Calculated
0-60 mph
2.7s
Calculated
5.3s
Calculated
Fuel consumption-
7.1L/100 km33.1mpg US39.8mpg UK
Fuel consumption city-
9.9L/100 km23.8mpg US28.5mpg UK
Fuel consumption highway-
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
10.3s
Calculated
13.7s
Calculated
Power-to-weight
538hp/t401kW/t244hp/1000 lb
Calculated
209hp/t156kW/t95hp/1000 lb
Calculated
Torque-to-weight
706Nm/t472lb-ft/ton
Calculated
253Nm/t169lb-ft/ton
Calculated
Estimated range-
845km525mi
Calculated
Displacement
1,996cc122cu in
3,498cc213cu in
Length
3,520mm139in
4,134mm163in
Width
1,880mm74in
1,810mm71in
Height
1,122mm44in
1,301mm51in
Wheelbase
2,390mm94in
2,430mm96in
Front track
1,600mm63in
1,559mm61in
Rear track
1,615mm64in
1,565mm62in
Trunk volume-
225L
Max trunk volume-
335L
Doors-
2
Seats
2
2
Fuel tank
40L
60L
CO2 emissions-
167g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Ariel Atom 4 2.0Mercedes-Benz SLK (R172) SLK 350 V6PowerTorque
  • Ariel Atom 4 2.0: Power / Torque
  • Mercedes-Benz SLK (R172) SLK 350 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
ArielAtom 42.06,500 rpm3,000 rpm6,750 rpm
Mercedes-BenzSLK (R172)SLK 350 V66,500 rpm3,500-5,250 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricArielAtom 42.0Mercedes-BenzSLK (R172)SLK 350 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
2.7 s
5.3 s
0-100 km/h
0-62 mph
2.8 s
5.6 s
0-200 km/h
0-124 mph
8.1 s
19.0 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
1.8 s
2.3 s
330 ft
101 m
4.5 s
6.0 s
1/8 mile
201 m
6.7 s
9.0 s
1000 ft
305 m
8.7 s
11.5 s
1/4 mile
402 m
10.3 s
13.7 s
Trap speed
1/4 mile
402 m
222 km/h
138 mph
172 km/h
107 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
ArielAtom 42.0
320 hp
239 kW
Mercedes-BenzSLK (R172)SLK 350 V6
306 hp
228 kW

Ariel Atom 4 2.0 has 14 hp more than Mercedes-Benz SLK (R172) SLK 350 V6.

The biggest power difference is between Mercedes-Benz SLK (R172) SLK 350 V6 and Ariel Atom 4 2.0: 14 hp (10 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
ArielAtom 42.0
420 Nm
310 lb-ft
Mercedes-BenzSLK (R172)SLK 350 V6
370 Nm
273 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
ArielAtom 42.0
595 kg
1,312 lb
Mercedes-BenzSLK (R172)SLK 350 V6
1,465 kg
3,230 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
ArielAtom 42.0
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Mercedes-BenzSLK (R172)SLK 350 V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
ArielAtom 42.02.8 s
Mercedes-BenzSLK (R172)SLK 350 V65.6 s

The biggest 0-100 km/h difference is between Ariel Atom 4 2.0 and Mercedes-Benz SLK (R172) SLK 350 V6: 2.8 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
ArielAtom 42.0
538 hp/t
401 kW/t
1.9 kg/hp
Mercedes-BenzSLK (R172)SLK 350 V6
209 hp/t
156 kW/t
4.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
ArielAtom 42.0
320 hp
239 kW
2.8 s
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Mercedes-BenzSLK (R172)SLK 350 V6
306 hp
228 kW
5.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
ArielAtom 42.0
Power
320 hp
239 kW
0-100 km/h2.8 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Doors/seats2 seats
Trunk-
Length
3,520 mm
138.6 in
Height
1,122 mm
44.2 in
Mercedes-BenzSLK (R172)SLK 350 V6
Power
306 hp
228 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length
4,134 mm
162.8 in
Height
1,301 mm
51.2 in

Detailed score breakdown

Detailed score breakdown
VehicleArielAtom 42.0Mercedes-BenzSLK (R172)SLK 350 V6
Power
320 hp
239 kW
306 hp
228 kW
Torque
420 Nm
310 lb-ft
370 Nm
273 lb-ft
Acceleration
2.8 s
5.6 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
595 kg
1,312 lb
1,465 kg
3,230 lb
Fuel consumption
-
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Practicality
Doors/seats2 seats
Trunk-
Length
3,520 mm
138.6 in
Height
1,122 mm
44.2 in
Doors/seats
2 doors
2 seats
Trunk
225 L
7.9 cu ft
Length
4,134 mm
162.8 in
Height
1,301 mm
51.2 in
Range score
-
845 km
525 mi
CO2 score
-
167 g/km
Trunk score
-
225 L
7.9 cu ft
Power-to-weight score
538 hp/t
401 kW/t
1.9 kg/hp
209 hp/t
156 kW/t
4.8 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz SLK (R172) SLK 350 V6
Consumption7.1 L/100 km33.1 mpg US39.8 mpg UK
Cost / 100 km12.42 LC100 km
Cost / 100 mi20.00 LC100 mi
Annual fuel used1,065 L281 US gal234 UK gal
Annual fuel cost1,864 LC/year

Head-to-head comparisons

Ariel Atom 4 2.0

  • Has 14 hp more
  • Has 50 Nm more
  • Is 870 kg lighter
  • Is 2.8 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Has 329 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Choose cars to compare

Brand
Model
Generation
Engine or modification
Ariel Atom 4 2.0
Mercedes-Benz SLK (R172) SLK 350 V6
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2 vehicles selected

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