Car comparison

BMW M3 Convertible (E46) 3.2i 24VvsMorgan Aero 8 4.4 i V8 32V

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

New comparison

BMW M3 Convertible (E46)

3.2i 24V

343 hp3246 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2001-2006
VS

Morgan Aero 8

4.4 i V8 32V

286 hp4398 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2000-2010

Comparison overview

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

Best choices

BMW M3 Convertible (E46) 3.2i 24V

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    343 hp
    256 kW
  • Lowest combined fuel consumption
    12.1 L/100 km
    19.4 mpg US
    23.3 mpg UK
  • Lowest city consumption
    17.9 L/100 km
    13.1 mpg US
    15.8 mpg UK
  • Lowest highway consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Best overall score
    59/100
  • Best economy score
    74/100
  • Best practicality score
    44/100

Morgan Aero 8 4.4 i V8 32V

  • Quickest 0-100 km/h
    5.0 s
  • Highest torque
    430 Nm
    317 lb-ft
  • Lightest
    1,000 kg
    2,205 lb
  • Best power-to-weight
    286 hp/t
    213 kW/t
    3.5 kg/hp
  • Best estimated range
    565 km
    351 mi
  • Best performance score
    69/100

Specification comparison

Specification comparison
ModelBMWM3 Convertible (E46)3.2i 24VMorganAero 84.4 i V8 32V
Power
343hp256kW
286hp213kW
Torque
365Nm269lb-ft
430Nm317lb-ft
Curb weight
1,655kg3,649lb
1,000kg2,205lb
Gross weight
2,100kg4,630lb
1,300kg2,866lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
257 km/h
160 mph
To 99% top speed
76.2s99% target: 257 km/h / 160 mph
Calculated
52.5s99% target: 254 km/h / 158 mph
Calculated
0-100 km/h
5.5s
5.0s
0-200 km/h
20.0s
Calculated
16.2s
Calculated
0-60 mph
5.2s
Calculated
4.8s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
18.4L/100 km12.8mpg US15.4mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
13.6s
Calculated
13.0s
Calculated
Power-to-weight
207hp/t155kW/t94hp/1000 lb
Calculated
286hp/t213kW/t130hp/1000 lb
Calculated
Torque-to-weight
221Nm/t148lb-ft/ton
Calculated
430Nm/t288lb-ft/ton
Calculated
Estimated range
521km324mi
Calculated
565km351mi
Calculated
Displacement
3,246cc198cu in
4,398cc268cu in
Length
4,492mm177in
4,120mm162in
Width
1,780mm70in
1,770mm70in
Height
1,363mm54in
1,200mm47in
Wheelbase
2,731mm108in
2,525mm99in
Front track
1,508mm59in
1,550mm61in
Rear track
1,525mm60in
1,500mm59in
Trunk volume
300L
-
Doors
2
2
Seats
4
2
Fuel tank
63L
70L

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.

BMW M3 Convertible (E46) 3.2i 24VMorgan Aero 8 4.4 i V8 32VPowerTorque
  • BMW M3 Convertible (E46) 3.2i 24V: Power / Torque
  • Morgan Aero 8 4.4 i V8 32V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWM3 Convertible (E46)3.2i 24V7,900 rpm4,900 rpm8,150 rpm
MorganAero 84.4 i V8 32V5,500 rpm3,700 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWM3 Convertible (E46)3.2i 24VMorganAero 84.4 i V8 32V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
4.8 s
0-100 km/h
0-62 mph
5.5 s
5.0 s
0-200 km/h
0-124 mph
20.0 s
16.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
257 km/h
160 mph
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.9 s
5.8 s
1/8 mile
201 m
8.9 s
8.6 s
1000 ft
305 m
11.5 s
11.0 s
1/4 mile
402 m
13.6 s
13.0 s
Trap speed
1/4 mile
402 m
170 km/h
105 mph
181 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
343 hp
256 kW
MorganAero 84.4 i V8 32V
286 hp
213 kW

BMW M3 Convertible (E46) 3.2i 24V has 57 hp more than Morgan Aero 8 4.4 i V8 32V.

The biggest power difference is between Morgan Aero 8 4.4 i V8 32V and BMW M3 Convertible (E46) 3.2i 24V: 57 hp (43 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
365 Nm
269 lb-ft
MorganAero 84.4 i V8 32V
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
1,655 kg
3,649 lb
MorganAero 84.4 i V8 32V
1,000 kg
2,205 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
MorganAero 84.4 i V8 32V
257 km/h
160 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V5.5 s
MorganAero 84.4 i V8 32V5.0 s

Although BMW M3 Convertible (E46) 3.2i 24V has more power, Morgan Aero 8 4.4 i V8 32V is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Morgan Aero 8 4.4 i V8 32V and BMW M3 Convertible (E46) 3.2i 24V: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
MorganAero 84.4 i V8 32V
12.4 L/100 km
19.0 mpg US
22.8 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
207 hp/t
155 kW/t
4.8 kg/hp
MorganAero 84.4 i V8 32V
286 hp/t
213 kW/t
3.5 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
BMWM3 Convertible (E46)3.2i 24V
521 km
324 mi
MorganAero 84.4 i V8 32V
565 km
351 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWM3 Convertible (E46)3.2i 24V
343 hp
256 kW
5.5 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
MorganAero 84.4 i V8 32V
286 hp
213 kW
5.0 s
257 km/h
160 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
BMWM3 Convertible (E46)3.2i 24V
Power
343 hp
256 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,492 mm
176.9 in
Height
1,363 mm
53.7 in
MorganAero 84.4 i V8 32V
Power
286 hp
213 kW
0-100 km/h5.0 s
Top speed
257 km/h
160 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,120 mm
162.2 in
Height
1,200 mm
47.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMWM3 Convertible (E46)3.2i 24V
Power
343 hp
256 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
MorganAero 84.4 i V8 32V
Power
286 hp
213 kW
0-100 km/h5.0 s
Top speed
257 km/h
160 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK

Morgan Aero 8 4.4 i V8 32V is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
BMWM3 Convertible (E46)3.2i 24V
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
5.5 s
MorganAero 84.4 i V8 32V
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
5.0 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMWM3 Convertible (E46)3.2i 24V
207 hp/t
155 kW/t
4.8 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
MorganAero 84.4 i V8 32V
286 hp/t
213 kW/t
3.5 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWM3 Convertible (E46)3.2i 24VMorganAero 84.4 i V8 32V
Power
343 hp
256 kW
286 hp
213 kW
Torque
365 Nm
269 lb-ft
430 Nm
317 lb-ft
Acceleration
5.5 s
5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
257 km/h
160 mph
Lightness
1,655 kg
3,649 lb
1,000 kg
2,205 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,492 mm
176.9 in
Height
1,363 mm
53.7 in
Doors/seats
2 doors
2 seats
Trunk-
Length
4,120 mm
162.2 in
Height
1,200 mm
47.2 in
Range score
521 km
324 mi
565 km
351 mi
Trunk score
300 L
10.6 cu ft
-
Power-to-weight score
207 hp/t
155 kW/t
4.8 kg/hp
286 hp/t
213 kW/t
3.5 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 Convertible (E46) 3.2i 24VMorgan Aero 8 4.4 i V8 32V
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK12.4 L/100 km19 mpg US22.8 mpg UK
Cost / 100 km21.18 LC100 km21.70 LC100 km
Cost / 100 mi34.08 LC100 mi34.92 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal1,860 L491 US gal409 UK gal
Annual fuel cost3,176 LC/year3,255 LC/year

Head-to-head comparisons

BMW M3 Convertible (E46) 3.2i 24V

  • Has 57 hp more
  • Has 3 km/h (2 mph) higher top speed
  • Uses 0.3 L/100 km less fuel

Pros

  • Highest top speed
  • Most powerful
  • Lowest combined fuel consumption

Cons

  • Slowest 0-100 km/h
  • Heaviest

Morgan Aero 8 4.4 i V8 32V

  • Has 65 Nm more
  • Is 655 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 79 hp/t better power-to-weight
  • Has 44 km (27 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M3 Convertible (E46) 3.2i 24V
Morgan Aero 8 4.4 i V8 32V
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2 vehicles selected

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BMW M3 Convertible (E46) 3.2i 24V vs Morgan Aero 8 4.4 i V8 32V - car comparison - FastVsFaster