Car comparison

McLaren 675LT Spider 3.8 V8vsAriel Atom 4 2.0

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

New comparison

McLaren 675LT Spider

3.8 V8

675 hp3799 ccGasolineRWDAutomaticTwin-turboRoadster2016-2017
VS

Ariel Atom 4

2.0

320 hp1996 ccGasolineRWDManualTurbochargedRoadster2018-present

Comparison overview

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

Best choices

McLaren 675LT Spider 3.8 V8

  • Fastest top speed
    326 km/h
    203 mph
  • Most powerful
    675 hp
    503 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Best overall score
    74/100
  • Best performance score
    95/100
  • Best economy score
    75/100
  • Best practicality score
    29/100

Ariel Atom 4 2.0

  • Quickest 0-100 km/h
    2.8 s
  • Lightest
    595 kg
    1,312 lb
  • Best power-to-weight
    538 hp/t
    401 kW/t
    1.9 kg/hp

Specification comparison

Specification comparison
ModelMcLaren675LT Spider3.8 V8ArielAtom 42.0
Power
675hp503kW
320hp239kW
Torque
700Nm516lb-ft
420Nm310lb-ft
Curb weight
1,368kg3,016lb
595kg1,312lb
Top speed
326 km/h
203 mph
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Calculated
To 99% top speed
44.3s99% target: 323 km/h / 201 mph
Calculated
30.7s99% target: 277 km/h / 172 mph
Calculated
0-100 km/h
2.9s
2.8s
0-200 km/h
8.1s
8.1s
Calculated
0-60 mph
2.8s
Calculated
2.7s
Calculated
Fuel consumption
11.7L/100 km20.1mpg US24.1mpg UK
-
Fuel consumption city
17.8L/100 km13.2mpg US15.9mpg UK
-
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
-
Quarter mile
10.3s
Calculated
10.3s
Calculated
Power-to-weight
493hp/t368kW/t224hp/1000 lb
Calculated
538hp/t401kW/t244hp/1000 lb
Calculated
Torque-to-weight
512Nm/t342lb-ft/ton
Calculated
706Nm/t472lb-ft/ton
Calculated
Estimated range
615km382mi
Calculated
-
Displacement
3,799cc232cu in
1,996cc122cu in
Length
4,546mm179in
3,520mm139in
Width
2,095mm82in
1,880mm74in
Height-
1,122mm44in
Wheelbase-
2,390mm94in
Front track-
1,600mm63in
Rear track-
1,615mm64in
Doors
2
-
Seats
2
2
Fuel tank
72L
40L
CO2 emissions
275g/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.

McLaren 675LT Spider 3.8 V8Ariel Atom 4 2.0PowerTorque
  • McLaren 675LT Spider 3.8 V8: Power / Torque
  • Ariel Atom 4 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
McLaren675LT Spider3.8 V87,100 rpm5,000-6,500 rpm7,350 rpm
ArielAtom 42.06,500 rpm3,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMcLaren675LT Spider3.8 V8ArielAtom 42.0
Acceleration checkpoints
0-60 mph
0-97 km/h
2.8 s
2.7 s
0-100 km/h
0-62 mph
2.9 s
2.8 s
0-200 km/h
0-124 mph
8.1 s
8.1 s
0-200 mph
0-322 km/h
41.9 s
-
Top speed
326 km/h
203 mph
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Likely limited
Drag race simulation
60 ft
18 m
1.8 s
1.8 s
330 ft
101 m
4.6 s
4.5 s
1/8 mile
201 m
6.8 s
6.7 s
1000 ft
305 m
8.7 s
8.7 s
1/4 mile
402 m
10.3 s
10.3 s
Trap speed
1/4 mile
402 m
227 km/h
141 mph
222 km/h
138 mph

Power comparison

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

Chart data table
VehicleValue
McLaren675LT Spider3.8 V8
675 hp
503 kW
ArielAtom 42.0
320 hp
239 kW

McLaren 675LT Spider 3.8 V8 has 355 hp more than Ariel Atom 4 2.0.

The biggest power difference is between Ariel Atom 4 2.0 and McLaren 675LT Spider 3.8 V8: 355 hp (265 kW).

Torque comparison

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

Chart data table
VehicleValue
McLaren675LT Spider3.8 V8
700 Nm
516 lb-ft
ArielAtom 42.0
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
McLaren675LT Spider3.8 V8
1,368 kg
3,016 lb
ArielAtom 42.0
595 kg
1,312 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
McLaren675LT Spider3.8 V8
326 km/h
203 mph
ArielAtom 42.0
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
McLaren675LT Spider3.8 V82.9 s
ArielAtom 42.02.8 s

Although McLaren 675LT Spider 3.8 V8 has more power, Ariel Atom 4 2.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Ariel Atom 4 2.0 and McLaren 675LT Spider 3.8 V8: 0.1 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
McLaren675LT Spider3.8 V8
493 hp/t
368 kW/t
2.0 kg/hp
ArielAtom 42.0
538 hp/t
401 kW/t
1.9 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
McLaren675LT Spider3.8 V8
675 hp
503 kW
2.9 s
326 km/h
203 mph
ArielAtom 42.0
320 hp
239 kW
2.8 s
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 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
McLaren675LT Spider3.8 V8
Power
675 hp
503 kW
0-100 km/h2.9 s
Top speed
326 km/h
203 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,546 mm
179.0 in
Height-
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

Detailed score breakdown

Detailed score breakdown
VehicleMcLaren675LT Spider3.8 V8ArielAtom 42.0
Power
675 hp
503 kW
320 hp
239 kW
Torque
700 Nm
516 lb-ft
420 Nm
310 lb-ft
Acceleration
2.9 s
2.8 s
Top speed
326 km/h
203 mph
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Lightness
1,368 kg
3,016 lb
595 kg
1,312 lb
Fuel consumption
11.7 L/100 km
20.1 mpg US
24.1 mpg UK
-
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,546 mm
179.0 in
Height-
Doors/seats2 seats
Trunk-
Length
3,520 mm
138.6 in
Height
1,122 mm
44.2 in
Range score
615 km
382 mi
-
CO2 score
275 g/km
-
Power-to-weight score
493 hp/t
368 kW/t
2.0 kg/hp
538 hp/t
401 kW/t
1.9 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
VehicleMcLaren 675LT Spider 3.8 V8
Consumption11.7 L/100 km20.1 mpg US24.1 mpg UK
Cost / 100 km20.47 LC100 km
Cost / 100 mi32.95 LC100 mi
Annual fuel used1,755 L464 US gal386 UK gal
Annual fuel cost3,071 LC/year

Head-to-head comparisons

McLaren 675LT Spider 3.8 V8

  • Has 355 hp more
  • Has 280 Nm more
  • Has 46 km/h (29 mph) higher top speed

Pros

  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Heaviest

Ariel Atom 4 2.0

  • Is 773 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 44 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
McLaren 675LT Spider 3.8 V8
Ariel Atom 4 2.0
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2 vehicles selected

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McLaren 675LT Spider 3.8 V8 vs Ariel Atom 4 2.0 - car comparison - FastVsFaster