Car comparison

AC Cobra (MK IV) 4.9 i V8 SuperblowervsBMW M3 Coupe (E46) 3.2i 24V

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

New comparison
VS

BMW M3 Coupe (E46)

3.2i 24V

343 hp3246 ccGasolineRWDManualNaturally aspiratedCoupe2000-2003

Comparison overview

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

Best choices

AC Cobra (MK IV) 4.9 i V8 Superblower

  • Quickest 0-100 km/h
    4.2 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    522 Nm
    385 lb-ft
  • Lightest
    1,160 kg
    2,557 lb
  • Best power-to-weight
    281 hp/t
    210 kW/t
    3.6 kg/hp
  • Lowest city consumption
    15.7 L/100 km
    15.0 mpg US
    18.0 mpg UK
  • Best performance score
    76/100

BMW M3 Coupe (E46) 3.2i 24V

  • Most powerful
    343 hp
    256 kW
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best overall score
    65/100
  • Best economy score
    75/100
  • Best practicality score
    56/100

Specification comparison

Specification comparison
ModelACCobra (MK IV)4.9 i V8 SuperblowerBMWM3 Coupe (E46)3.2i 24V
Power
326hp243kW
343hp256kW
Torque
522Nm385lb-ft
365Nm269lb-ft
Curb weight
1,160kg2,557lb
1,495kg3,296lb
Gross weight
1,360kg2,998lb
2,000kg4,409lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
46.6s99% target: 262 km/h / 163 mph
Calculated
68.4s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.2s
5.2s
0-200 km/h
13.3s
Calculated
17.8s
Calculated
0-60 mph
4.0s
Calculated
4.9s
Calculated
Fuel consumption-
11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption city
15.7L/100 km15mpg US18.0mpg UK
17.8L/100 km13.2mpg US15.9mpg UK
Fuel consumption highway
10.9L/100 km21.6mpg US25.9mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
12.2s
Calculated
13.3s
Calculated
Power-to-weight
281hp/t210kW/t127hp/1000 lb
Calculated
229hp/t171kW/t104hp/1000 lb
Calculated
Torque-to-weight
450Nm/t301lb-ft/ton
Calculated
244Nm/t163lb-ft/ton
Calculated
Estimated range-
529km329mi
Calculated
Displacement
4,942cc302cu in
3,246cc198cu in
Length
4,200mm165in
4,492mm177in
Width
1,745mm69in
1,780mm70in
Height
1,200mm47in
1,372mm54in
Wheelbase
2,285mm90in
2,731mm108in
Front track
1,410mm56in
1,508mm59in
Rear track
1,485mm58in
1,525mm60in
Trunk volume-
410L
Doors
2
2
Seats
2
5
Fuel tank
70L
63L

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.

AC Cobra (MK IV) 4.9 i V8 SuperblowerBMW M3 Coupe (E46) 3.2i 24VPowerTorque
  • AC Cobra (MK IV) 4.9 i V8 Superblower: Power / Torque
  • BMW M3 Coupe (E46) 3.2i 24V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
ACCobra (MK IV)4.9 i V8 Superblower5,700 rpm3,750 rpm5,950 rpm
BMWM3 Coupe (E46)3.2i 24V7,900 rpm4,900 rpm8,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricACCobra (MK IV)4.9 i V8 SuperblowerBMWM3 Coupe (E46)3.2i 24V
Acceleration checkpoints
0-60 mph
0-97 km/h
4.0 s
4.9 s
0-100 km/h
0-62 mph
4.2 s
5.2 s
0-200 km/h
0-124 mph
13.3 s
17.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.4 s
5.8 s
1/8 mile
201 m
8.0 s
8.7 s
1000 ft
305 m
10.3 s
11.2 s
1/4 mile
402 m
12.2 s
13.3 s
Trap speed
1/4 mile
402 m
192 km/h
119 mph
175 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
ACCobra (MK IV)4.9 i V8 Superblower
326 hp
243 kW
BMWM3 Coupe (E46)3.2i 24V
343 hp
256 kW

BMW M3 Coupe (E46) 3.2i 24V has 17 hp more than AC Cobra (MK IV) 4.9 i V8 Superblower.

The biggest power difference is between AC Cobra (MK IV) 4.9 i V8 Superblower and BMW M3 Coupe (E46) 3.2i 24V: 17 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
ACCobra (MK IV)4.9 i V8 Superblower
522 Nm
385 lb-ft
BMWM3 Coupe (E46)3.2i 24V
365 Nm
269 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
ACCobra (MK IV)4.9 i V8 Superblower
1,160 kg
2,557 lb
BMWM3 Coupe (E46)3.2i 24V
1,495 kg
3,296 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
ACCobra (MK IV)4.9 i V8 Superblower
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWM3 Coupe (E46)3.2i 24V
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
ACCobra (MK IV)4.9 i V8 Superblower4.2 s
BMWM3 Coupe (E46)3.2i 24V5.2 s

Although BMW M3 Coupe (E46) 3.2i 24V has more power, AC Cobra (MK IV) 4.9 i V8 Superblower is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AC Cobra (MK IV) 4.9 i V8 Superblower and BMW M3 Coupe (E46) 3.2i 24V: 1.0 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
ACCobra (MK IV)4.9 i V8 Superblower
281 hp/t
210 kW/t
3.6 kg/hp
BMWM3 Coupe (E46)3.2i 24V
229 hp/t
171 kW/t
4.4 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
ACCobra (MK IV)4.9 i V8 Superblower
326 hp
243 kW
4.2 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWM3 Coupe (E46)3.2i 24V
343 hp
256 kW
5.2 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
ACCobra (MK IV)4.9 i V8 Superblower
Power
326 hp
243 kW
0-100 km/h4.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,200 mm
165.4 in
Height
1,200 mm
47.2 in
BMWM3 Coupe (E46)3.2i 24V
Power
343 hp
256 kW
0-100 km/h5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
5 seats
Trunk
410 L
14.5 cu ft
Length
4,492 mm
176.9 in
Height
1,372 mm
54.0 in

Detailed score breakdown

Detailed score breakdown
VehicleACCobra (MK IV)4.9 i V8 SuperblowerBMWM3 Coupe (E46)3.2i 24V
Power
326 hp
243 kW
343 hp
256 kW
Torque
522 Nm
385 lb-ft
365 Nm
269 lb-ft
Acceleration
4.2 s
5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,160 kg
2,557 lb
1,495 kg
3,296 lb
Fuel consumption
-
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,200 mm
165.4 in
Height
1,200 mm
47.2 in
Doors/seats
2 doors
5 seats
Trunk
410 L
14.5 cu ft
Length
4,492 mm
176.9 in
Height
1,372 mm
54.0 in
Range score
-
529 km
329 mi
Trunk score
-
410 L
14.5 cu ft
Power-to-weight score
281 hp/t
210 kW/t
3.6 kg/hp
229 hp/t
171 kW/t
4.4 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
VehicleBMW M3 Coupe (E46) 3.2i 24V
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK
Cost / 100 km20.83 LC100 km
Cost / 100 mi33.51 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal
Annual fuel cost3,124 LC/year

Head-to-head comparisons

AC Cobra (MK IV) 4.9 i V8 Superblower

  • Has 157 Nm more
  • Is 335 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 52 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
AC Cobra (MK IV) 4.9 i V8 Superblower
BMW M3 Coupe (E46) 3.2i 24V
Compare selected cars
2 vehicles selected

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