Car comparison

BMW M3 Convertible (E46) 3.2i 24VvsBMW 1 Series Convertible (E88) 135i

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

BMW 1 Series Convertible (E88)

135i

306 hp2979 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2008-2010

Comparison overview

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

Best choices

BMW M3 Convertible (E46) 3.2i 24V

  • Quickest 0-100 km/h
    5.5 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    343 hp
    256 kW
  • Best power-to-weight
    207 hp/t
    155 kW/t
    4.8 kg/hp
  • Largest trunk
    300 L
  • Best overall score
    59/100
  • Best performance score
    66/100
  • Best practicality score
    44/100

BMW 1 Series Convertible (E88) 135i

  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,610 kg
    3,549 lb
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    13.5 L/100 km
    17.4 mpg US
    20.9 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Best estimated range
    564 km
    350 mi
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelBMWM3 Convertible (E46)3.2i 24VBMW1 Series Convertible (E88)135i
Power
343hp256kW
306hp228kW
Torque
365Nm269lb-ft
400Nm295lb-ft
Curb weight
1,655kg3,649lb
1,610kg3,549lb
Gross weight
2,100kg4,630lb
2,050kg4,519lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
76.2s99% target: 257 km/h / 160 mph
Calculated
80.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.5s
5.7s
0-200 km/h
20.0s
Calculated
20.9s
Calculated
0-60 mph
5.2s
Calculated
5.4s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
9.4L/100 km25mpg US30.1mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
8.8L/100 km26.7mpg US32.1mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
13.6s
Calculated
13.8s
Calculated
Power-to-weight
207hp/t155kW/t94hp/1000 lb
Calculated
190hp/t142kW/t86hp/1000 lb
Calculated
Torque-to-weight
221Nm/t148lb-ft/ton
Calculated
248Nm/t166lb-ft/ton
Calculated
Estimated range
521km324mi
Calculated
564km350mi
Calculated
Displacement
3,246cc198cu in
2,979cc182cu in
Length
4,492mm177in
4,360mm172in
Width
1,780mm70in
1,748mm69in
Height
1,363mm54in
1,411mm56in
Wheelbase
2,731mm108in
2,660mm105in
Front track
1,508mm59in
1,474mm58in
Rear track
1,525mm60in
1,507mm59in
Ground clearance-
140mm6in
Trunk volume
300L
260L
Max trunk volume-
305L
Doors
2
2
Seats
4
4
Fuel tank
63L
53L

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 24VBMW 1 Series Convertible (E88) 135iPowerTorque
  • BMW M3 Convertible (E46) 3.2i 24V: Power / Torque
  • BMW 1 Series Convertible (E88) 135i: 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
BMW1 Series Convertible (E88)135i5,800 rpm1,300-5,000 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWM3 Convertible (E46)3.2i 24VBMW1 Series Convertible (E88)135i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
5.4 s
0-100 km/h
0-62 mph
5.5 s
5.7 s
0-200 km/h
0-124 mph
20.0 s
20.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.9 s
6.0 s
1/8 mile
201 m
8.9 s
9.0 s
1000 ft
305 m
11.5 s
11.6 s
1/4 mile
402 m
13.6 s
13.8 s
Trap speed
1/4 mile
402 m
170 km/h
105 mph
167 km/h
104 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
BMW1 Series Convertible (E88)135i
306 hp
228 kW

BMW M3 Convertible (E46) 3.2i 24V has 37 hp more than BMW 1 Series Convertible (E88) 135i.

The biggest power difference is between BMW 1 Series Convertible (E88) 135i and BMW M3 Convertible (E46) 3.2i 24V: 37 hp (28 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
BMW1 Series Convertible (E88)135i
400 Nm
295 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
BMW1 Series Convertible (E88)135i
1,610 kg
3,549 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
BMW1 Series Convertible (E88)135i
Unrestricted
260 km/h162 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
BMWM3 Convertible (E46)3.2i 24V5.5 s
BMW1 Series Convertible (E88)135i5.7 s

The biggest 0-100 km/h difference is between BMW M3 Convertible (E46) 3.2i 24V and BMW 1 Series Convertible (E88) 135i: 0.2 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
BMW1 Series Convertible (E88)135i
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

The biggest fuel consumption difference is between BMW 1 Series Convertible (E88) 135i and BMW M3 Convertible (E46) 3.2i 24V: 2.7 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
BMW1 Series Convertible (E88)135i
190 hp/t
142 kW/t
5.3 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
BMW1 Series Convertible (E88)135i
564 km
350 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
BMW1 Series Convertible (E88)135i
306 hp
228 kW
5.7 s
Unrestricted
260 km/h162 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
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
BMW1 Series Convertible (E88)135i
Power
306 hp
228 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
260 L
9.2 cu ft
Length
4,360 mm
171.7 in
Height
1,411 mm
55.6 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
BMW1 Series Convertible (E88)135i
Power
306 hp
228 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

BMW 1 Series Convertible (E88) 135i 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
BMW1 Series Convertible (E88)135i
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.7 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
BMW1 Series Convertible (E88)135i
190 hp/t
142 kW/t
5.3 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWM3 Convertible (E46)3.2i 24VBMW1 Series Convertible (E88)135i
Power
343 hp
256 kW
306 hp
228 kW
Torque
365 Nm
269 lb-ft
400 Nm
295 lb-ft
Acceleration
5.5 s
5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,655 kg
3,649 lb
1,610 kg
3,549 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
9.4 L/100 km
25.0 mpg US
30.1 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
260 L
9.2 cu ft
Length
4,360 mm
171.7 in
Height
1,411 mm
55.6 in
Range score
521 km
324 mi
564 km
350 mi
Trunk score
300 L
10.6 cu ft
260 L
9.2 cu ft
Power-to-weight score
207 hp/t
155 kW/t
4.8 kg/hp
190 hp/t
142 kW/t
5.3 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 24VBMW 1 Series Convertible (E88) 135i
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km21.18 LC100 km16.45 LC100 km
Cost / 100 mi34.08 LC100 mi26.47 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal1,410 L372 US gal310 UK gal
Annual fuel cost3,176 LC/year2,468 LC/year

Head-to-head comparisons

BMW M3 Convertible (E46) 3.2i 24V

  • Has 37 hp more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 17 hp/t better power-to-weight
  • Has 40 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW 1 Series Convertible (E88) 135i

  • Has 35 Nm more
  • Is 45 kg lighter
  • Uses 2.7 L/100 km less fuel
  • Has 43 km (27 mi) more estimated range

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M3 Convertible (E46) 3.2i 24V
BMW 1 Series Convertible (E88) 135i
Compare selected cars
2 vehicles selected

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BMW M3 Convertible (E46) 3.2i 24V vs BMW 1 Series Convertible (E88) 135i - car comparison - FastVsFaster