Car comparison

BMW M3 Convertible (E46) 3.2i 24VvsBentley Azure 6.8 i V8

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

Bentley Azure

6.8 i V8

408 hp6748 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible1995-2005

Comparison overview

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

Best choices

BMW M3 Convertible (E46) 3.2i 24V

  • Quickest 0-100 km/h
    5.5 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,655 kg
    3,649 lb
  • Best power-to-weight
    207 hp/t
    155 kW/t
    4.8 kg/hp
  • 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
  • Largest trunk
    300 L
  • Best economy score
    74/100
  • Best practicality score
    44/100

Bentley Azure 6.8 i V8

  • Most powerful
    408 hp
    304 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best estimated range
    562 km
    349 mi
  • Best overall score
    61/100
  • Best performance score
    69/100

Specification comparison

Specification comparison
ModelBMWM3 Convertible (E46)3.2i 24VBentleyAzure6.8 i V8
Power
343hp256kW
408hp304kW
Torque
365Nm269lb-ft
750Nm553lb-ft
Curb weight
1,655kg3,649lb
2,610kg5,754lb
Gross weight
2,100kg4,630lb
2,980kg6,570lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
To 99% top speed
76.2s99% target: 257 km/h / 160 mph
Calculated
108.5s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
5.5s
6.7s
0-200 km/h
20.0s
Calculated
28.7s
Calculated
0-60 mph
5.2s
Calculated
6.3s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
17.8L/100 km13.2mpg US15.9mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
25.8L/100 km9.1mpg US10.9mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
13.1L/100 km18mpg US21.6mpg UK
Quarter mile
13.6s
Calculated
14.8s
Calculated
Power-to-weight
207hp/t155kW/t94hp/1000 lb
Calculated
156hp/t117kW/t71hp/1000 lb
Calculated
Torque-to-weight
221Nm/t148lb-ft/ton
Calculated
287Nm/t192lb-ft/ton
Calculated
Estimated range
521km324mi
Calculated
562km349mi
Calculated
Displacement
3,246cc198cu in
6,748cc412cu in
Length
4,492mm177in
5,350mm211in
Width
1,780mm70in
1,878mm74in
Height
1,363mm54in
1,475mm58in
Wheelbase
2,731mm108in
3,061mm121in
Front track
1,508mm59in
1,549mm61in
Rear track
1,525mm60in
1,549mm61in
Trunk volume
300L
193L
Doors
2
2
Seats
4
4
Fuel tank
63L
100L

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 24VBentley Azure 6.8 i V8PowerTorque
  • BMW M3 Convertible (E46) 3.2i 24V: Power / Torque
  • Bentley Azure 6.8 i V8: 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
BentleyAzure6.8 i V84,000 rpm2,000 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWM3 Convertible (E46)3.2i 24VBentleyAzure6.8 i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
6.3 s
0-100 km/h
0-62 mph
5.5 s
6.7 s
0-200 km/h
0-124 mph
20.0 s
28.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.9 s
6.3 s
1/8 mile
201 m
8.9 s
9.6 s
1000 ft
305 m
11.5 s
12.4 s
1/4 mile
402 m
13.6 s
14.8 s
Trap speed
1/4 mile
402 m
170 km/h
105 mph
154 km/h
95 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
BentleyAzure6.8 i V8
408 hp
304 kW

Bentley Azure 6.8 i V8 has 65 hp more than BMW M3 Convertible (E46) 3.2i 24V.

The biggest power difference is between BMW M3 Convertible (E46) 3.2i 24V and Bentley Azure 6.8 i V8: 65 hp (48 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
BentleyAzure6.8 i V8
750 Nm
553 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
BentleyAzure6.8 i V8
2,610 kg
5,754 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
BentleyAzure6.8 i V8
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 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
BentleyAzure6.8 i V86.7 s

Although Bentley Azure 6.8 i V8 has more power, BMW M3 Convertible (E46) 3.2i 24V is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW M3 Convertible (E46) 3.2i 24V and Bentley Azure 6.8 i V8: 1.2 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
BentleyAzure6.8 i V8
17.8 L/100 km
13.2 mpg US
15.9 mpg UK

The biggest fuel consumption difference is between BMW M3 Convertible (E46) 3.2i 24V and Bentley Azure 6.8 i V8: 5.7 L/100 km.

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
BentleyAzure6.8 i V8
156 hp/t
117 kW/t
6.4 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
BentleyAzure6.8 i V8
562 km
349 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
BentleyAzure6.8 i V8
408 hp
304 kW
6.7 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 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
BentleyAzure6.8 i V8
Power
408 hp
304 kW
0-100 km/h6.7 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Doors/seats
2 doors
4 seats
Trunk
193 L
6.8 cu ft
Length
5,350 mm
210.6 in
Height
1,475 mm
58.1 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
BentleyAzure6.8 i V8
Power
408 hp
304 kW
0-100 km/h6.7 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
17.8 L/100 km
13.2 mpg US
15.9 mpg UK

BMW M3 Convertible (E46) 3.2i 24V 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
BentleyAzure6.8 i V8
17.8 L/100 km
13.2 mpg US
15.9 mpg UK
6.7 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
BentleyAzure6.8 i V8
156 hp/t
117 kW/t
6.4 kg/hp
17.8 L/100 km
13.2 mpg US
15.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWM3 Convertible (E46)3.2i 24VBentleyAzure6.8 i V8
Power
343 hp
256 kW
408 hp
304 kW
Torque
365 Nm
269 lb-ft
750 Nm
553 lb-ft
Acceleration
5.5 s
6.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Lightness
1,655 kg
3,649 lb
2,610 kg
5,754 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
17.8 L/100 km
13.2 mpg US
15.9 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
4 seats
Trunk
193 L
6.8 cu ft
Length
5,350 mm
210.6 in
Height
1,475 mm
58.1 in
Range score
521 km
324 mi
562 km
349 mi
Trunk score
300 L
10.6 cu ft
193 L
6.8 cu ft
Power-to-weight score
207 hp/t
155 kW/t
4.8 kg/hp
156 hp/t
117 kW/t
6.4 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 Convertible (E46) 3.2i 24VBentley Azure 6.8 i V8
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK17.8 L/100 km13.2 mpg US15.9 mpg UK
Cost / 100 km21.18 LC100 km31.15 LC100 km
Cost / 100 mi34.08 LC100 mi50.13 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal2,670 L705 US gal587 UK gal
Annual fuel cost3,176 LC/year4,673 LC/year

Head-to-head comparisons

BMW M3 Convertible (E46) 3.2i 24V

  • Is 955 kg lighter
  • Is 1.2 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 5.7 L/100 km less fuel
  • Has 51 hp/t better power-to-weight
  • Has 107 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power

Bentley Azure 6.8 i V8

  • Has 65 hp more
  • Has 385 Nm more
  • Has 41 km (26 mi) more estimated range

Pros

  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M3 Convertible (E46) 3.2i 24V
Bentley Azure 6.8 i V8
Compare selected cars
2 vehicles selected

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