Car comparison

BMW M3 Coupe (E92) 4.0 V8vsBMW M3 Convertible (E30) 2.3

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

New comparison

BMW M3 Coupe (E92)

4.0 V8

420 hp3999 ccGasolineRWDManualNaturally aspiratedCoupe2007-2010
VS

BMW M3 Convertible (E30)

2.3

200 hp2302 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible1988-1991

Comparison overview

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

Best choices

BMW M3 Coupe (E92) 4.0 V8

  • Quickest 0-100 km/h
    4.8 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    420 hp
    313 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best power-to-weight
    266 hp/t
    198 kW/t
    3.8 kg/hp
  • Largest trunk
    430 L
  • Best overall score
    67/100
  • Best performance score
    74/100
  • Best practicality score
    53/100

BMW M3 Convertible (E30) 2.3

  • Lightest
    1,360 kg
    2,998 lb
  • Lowest combined fuel consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest city consumption
    12.6 L/100 km
    18.7 mpg US
    22.4 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Best estimated range
    697 km
    433 mi
  • Best economy score
    83/100

Specification comparison

Specification comparison
ModelBMWM3 Coupe (E92)4.0 V8BMWM3 Convertible (E30)2.3
Power
420hp313kW
200hp149kW
Torque
400Nm295lb-ft
240Nm177lb-ft
Curb weight
1,580kg3,483lb
1,360kg2,998lb
Gross weight
2,080kg4,586lb
1,720kg3,792lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
233 km/h
145 mph
To 99% top speed
58.0s99% target: 262 km/h / 163 mph
Calculated
90.7s99% target: 231 km/h / 143 mph
Calculated
0-100 km/h
4.8s
7.3s
0-200 km/h
15.8s
32.5s
Calculated
0-60 mph
4.6s
Calculated
6.9s
Calculated
Fuel consumption
12.4L/100 km19mpg US22.8mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption highway
9.2L/100 km25.6mpg US30.7mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
12.8s
Calculated
15.2s
Calculated
Power-to-weight
266hp/t198kW/t121hp/1000 lb
Calculated
147hp/t110kW/t67hp/1000 lb
Calculated
Torque-to-weight
253Nm/t169lb-ft/ton
Calculated
176Nm/t118lb-ft/ton
Calculated
Estimated range
508km316mi
Calculated
697km433mi
Calculated
Displacement
3,999cc244cu in
2,302cc140cu in
Length
4,615mm182in
4,345mm171in
Width
1,804mm71in
1,680mm66in
Height
1,424mm56in
1,370mm54in
Wheelbase
2,761mm109in
2,565mm101in
Front track
1,540mm61in
1,414mm56in
Rear track
1,539mm61in
1,435mm56in
Trunk volume
430L
303L
Doors
2
2
Seats
4
4
Fuel tank
63L
62L

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 Coupe (E92) 4.0 V8BMW M3 Convertible (E30) 2.3PowerTorque
  • BMW M3 Coupe (E92) 4.0 V8: Power / Torque
  • BMW M3 Convertible (E30) 2.3: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWM3 Coupe (E92)4.0 V88,300 rpm3,900 rpm8,550 rpm
BMWM3 Convertible (E30)2.36,750 rpm4,750 rpm7,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWM3 Coupe (E92)4.0 V8BMWM3 Convertible (E30)2.3
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
6.9 s
0-100 km/h
0-62 mph
4.8 s
7.3 s
0-200 km/h
0-124 mph
15.8 s
32.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
233 km/h
145 mph
Drag race simulation
60 ft
18 m
2.2 s
2.5 s
330 ft
101 m
5.7 s
6.6 s
1/8 mile
201 m
8.5 s
9.9 s
1000 ft
305 m
10.8 s
12.8 s
1/4 mile
402 m
12.8 s
15.2 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
150 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
420 hp
313 kW
BMWM3 Convertible (E30)2.3
200 hp
149 kW

BMW M3 Coupe (E92) 4.0 V8 has 220 hp more than BMW M3 Convertible (E30) 2.3.

The biggest power difference is between BMW M3 Convertible (E30) 2.3 and BMW M3 Coupe (E92) 4.0 V8: 220 hp (164 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
400 Nm
295 lb-ft
BMWM3 Convertible (E30)2.3
240 Nm
177 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
1,580 kg
3,483 lb
BMWM3 Convertible (E30)2.3
1,360 kg
2,998 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 Coupe (E92)4.0 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWM3 Convertible (E30)2.3
233 km/h
145 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V84.8 s
BMWM3 Convertible (E30)2.37.3 s

The biggest 0-100 km/h difference is between BMW M3 Coupe (E92) 4.0 V8 and BMW M3 Convertible (E30) 2.3: 2.5 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 Coupe (E92)4.0 V8
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
BMWM3 Convertible (E30)2.3
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

The biggest fuel consumption difference is between BMW M3 Convertible (E30) 2.3 and BMW M3 Coupe (E92) 4.0 V8: 3.5 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 Coupe (E92)4.0 V8
266 hp/t
198 kW/t
3.8 kg/hp
BMWM3 Convertible (E30)2.3
147 hp/t
110 kW/t
6.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMWM3 Coupe (E92)4.0 V8
508 km
316 mi
BMWM3 Convertible (E30)2.3
697 km
433 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWM3 Coupe (E92)4.0 V8
420 hp
313 kW
4.8 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWM3 Convertible (E30)2.3
200 hp
149 kW
7.3 s
233 km/h
145 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 Coupe (E92)4.0 V8
Power
420 hp
313 kW
0-100 km/h4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
430 L
15.2 cu ft
Length
4,615 mm
181.7 in
Height
1,424 mm
56.1 in
BMWM3 Convertible (E30)2.3
Power
200 hp
149 kW
0-100 km/h7.3 s
Top speed
233 km/h
145 mph
Doors/seats
2 doors
4 seats
Trunk
303 L
10.7 cu ft
Length
4,345 mm
171.1 in
Height
1,370 mm
53.9 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 Coupe (E92)4.0 V8
Power
420 hp
313 kW
0-100 km/h4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
BMWM3 Convertible (E30)2.3
Power
200 hp
149 kW
0-100 km/h7.3 s
Top speed
233 km/h
145 mph
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

BMW M3 Coupe (E92) 4.0 V8 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 Coupe (E92)4.0 V8
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
4.8 s
BMWM3 Convertible (E30)2.3
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
7.3 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 Coupe (E92)4.0 V8
266 hp/t
198 kW/t
3.8 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
BMWM3 Convertible (E30)2.3
147 hp/t
110 kW/t
6.8 kg/hp
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWM3 Coupe (E92)4.0 V8BMWM3 Convertible (E30)2.3
Power
420 hp
313 kW
200 hp
149 kW
Torque
400 Nm
295 lb-ft
240 Nm
177 lb-ft
Acceleration
4.8 s
7.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
233 km/h
145 mph
Lightness
1,580 kg
3,483 lb
1,360 kg
2,998 lb
Fuel consumption
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
430 L
15.2 cu ft
Length
4,615 mm
181.7 in
Height
1,424 mm
56.1 in
Doors/seats
2 doors
4 seats
Trunk
303 L
10.7 cu ft
Length
4,345 mm
171.1 in
Height
1,370 mm
53.9 in
Range score
508 km
316 mi
697 km
433 mi
Trunk score
430 L
15.2 cu ft
303 L
10.7 cu ft
Power-to-weight score
266 hp/t
198 kW/t
3.8 kg/hp
147 hp/t
110 kW/t
6.8 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
VehicleBMW M3 Coupe (E92) 4.0 V8BMW M3 Convertible (E30) 2.3
Consumption12.4 L/100 km19 mpg US22.8 mpg UK8.9 L/100 km26.4 mpg US31.7 mpg UK
Cost / 100 km21.70 LC100 km15.58 LC100 km
Cost / 100 mi34.92 LC100 mi25.07 LC100 mi
Annual fuel used1,860 L491 US gal409 UK gal1,335 L353 US gal294 UK gal
Annual fuel cost3,255 LC/year2,336 LC/year

Head-to-head comparisons

BMW M3 Coupe (E92) 4.0 V8

  • Has 220 hp more
  • Has 160 Nm more
  • Is 2.5 s quicker from 0-100 km/h
  • Has 32 km/h (20 mph) higher top speed
  • Has 119 hp/t better power-to-weight
  • Has 127 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW M3 Convertible (E30) 2.3

  • Is 220 kg lighter
  • Uses 3.5 L/100 km less fuel
  • Has 189 km (117 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M3 Coupe (E92) 4.0 V8
BMW M3 Convertible (E30) 2.3
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