Car comparison

BMW 1 Series Coupe (E82) 135ivsBMW 1 Series Convertible (E88) 135i

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

New comparison

BMW 1 Series Coupe (E82)

135i

306 hp2979 ccGasolineRWDDual-clutchTurbochargedCoupe2010-2011
VS

BMW 1 Series Convertible (E88)

135i

306 hp2979 ccGasolineRWDDual-clutchTurbochargedCabriolet / convertible2010-2011

Comparison overview

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

Best choices

BMW 1 Series Coupe (E82) 135i

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    306 hp
    228 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,470 kg
    3,241 lb
  • Best power-to-weight
    208 hp/t
    155 kW/t
    4.8 kg/hp
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest city consumption
    11.7 L/100 km
    20.1 mpg US
    24.1 mpg UK
  • Lowest highway consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Best estimated range
    624 km
    387 mi
  • Largest trunk
    370 L
  • Best overall score
    62/100
  • Best performance score
    67/100
  • Best economy score
    84/100
  • Best practicality score
    50/100

Specification comparison

Specification comparison
ModelBMW1 Series Coupe (E82)135iBMW1 Series Convertible (E88)135i
Power
306hp228kW
306hp228kW
Torque
400Nm295lb-ft
400Nm295lb-ft
Curb weight
1,470kg3,241lb
1,600kg3,527lb
Gross weight
1,910kg4,211lb
2,040kg4,497lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
71.5s99% target: 262 km/h / 163 mph
Calculated
77.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.2s
5.5s
0-200 km/h
18.2s
Calculated
20.2s
Calculated
0-60 mph
4.9s
Calculated
5.2s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption city
11.7L/100 km20.1mpg US24.1mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption highway
6.7L/100 km35.1mpg US42.2mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
13.3s
Calculated
13.6s
Calculated
Power-to-weight
208hp/t155kW/t94hp/1000 lb
Calculated
191hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
272Nm/t182lb-ft/ton
Calculated
250Nm/t167lb-ft/ton
Calculated
Estimated range
624km387mi
Calculated
616km383mi
Calculated
Displacement
2,979cc182cu in
2,979cc182cu in
Length
4,360mm172in
4,360mm172in
Width
1,748mm69in
1,748mm69in
Height
1,408mm55in
1,411mm56in
Wheelbase
2,660mm105in
2,660mm105in
Front track
1,470mm58in
1,474mm58in
Rear track
1,497mm59in
1,507mm59in
Ground clearance
132mm5in
140mm6in
Trunk volume
370L
260L
Max trunk volume-
305L
Doors
2
2
Seats
4
4
Fuel tank
53L
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 1 Series Coupe (E82) 135iBMW 1 Series Convertible (E88) 135iPowerTorque
  • BMW 1 Series Coupe (E82) 135i: Power / Torque
  • BMW 1 Series Convertible (E88) 135i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW1 Series Coupe (E82)135i5,800 rpm1,200-5,000 rpm6,050 rpm
BMW1 Series Convertible (E88)135i5,800 rpm1,200-5,000 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW1 Series Coupe (E82)135iBMW1 Series Convertible (E88)135i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.2 s
0-100 km/h
0-62 mph
5.2 s
5.5 s
0-200 km/h
0-124 mph
18.2 s
20.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.9 s
1/8 mile
201 m
8.7 s
8.9 s
1000 ft
305 m
11.2 s
11.5 s
1/4 mile
402 m
13.3 s
13.6 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
169 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
BMW1 Series Coupe (E82)135i
306 hp
228 kW
BMW1 Series Convertible (E88)135i
306 hp
228 kW

Torque comparison

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

Chart data table
VehicleValue
BMW1 Series Coupe (E82)135i
400 Nm
295 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
BMW1 Series Coupe (E82)135i
1,470 kg
3,241 lb
BMW1 Series Convertible (E88)135i
1,600 kg
3,527 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW1 Series Coupe (E82)135i
Unrestricted
265 km/h165 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
BMW1 Series Coupe (E82)135i5.2 s
BMW1 Series Convertible (E88)135i5.5 s

The biggest 0-100 km/h difference is between BMW 1 Series Coupe (E82) 135i and BMW 1 Series Convertible (E88) 135i: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW1 Series Coupe (E82)135i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW1 Series Convertible (E88)135i
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW1 Series Coupe (E82)135i
208 hp/t
155 kW/t
4.8 kg/hp
BMW1 Series Convertible (E88)135i
191 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW1 Series Coupe (E82)135i
624 km
387 mi
BMW1 Series Convertible (E88)135i
616 km
383 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW1 Series Coupe (E82)135i
306 hp
228 kW
5.2 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW1 Series Convertible (E88)135i
306 hp
228 kW
5.5 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
BMW1 Series Coupe (E82)135i
Power
306 hp
228 kW
0-100 km/h5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,360 mm
171.7 in
Height
1,408 mm
55.4 in
BMW1 Series Convertible (E88)135i
Power
306 hp
228 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
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
BMW1 Series Coupe (E82)135i
Power
306 hp
228 kW
0-100 km/h5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW1 Series Convertible (E88)135i
Power
306 hp
228 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

BMW 1 Series Coupe (E82) 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
BMW1 Series Coupe (E82)135i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
5.2 s
BMW1 Series Convertible (E88)135i
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
5.5 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
BMW1 Series Coupe (E82)135i
208 hp/t
155 kW/t
4.8 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW1 Series Convertible (E88)135i
191 hp/t
143 kW/t
5.2 kg/hp
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW1 Series Coupe (E82)135iBMW1 Series Convertible (E88)135i
Power
306 hp
228 kW
306 hp
228 kW
Torque
400 Nm
295 lb-ft
400 Nm
295 lb-ft
Acceleration
5.2 s
5.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,470 kg
3,241 lb
1,600 kg
3,527 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,360 mm
171.7 in
Height
1,408 mm
55.4 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
624 km
387 mi
616 km
383 mi
Trunk score
370 L
13.1 cu ft
260 L
9.2 cu ft
Power-to-weight score
208 hp/t
155 kW/t
4.8 kg/hp
191 hp/t
143 kW/t
5.2 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 1 Series Coupe (E82) 135iBMW 1 Series Convertible (E88) 135i
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK8.6 L/100 km27.4 mpg US32.8 mpg UK
Cost / 100 km14.88 LC100 km15.05 LC100 km
Cost / 100 mi23.94 LC100 mi24.22 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,290 L341 US gal284 UK gal
Annual fuel cost2,231 LC/year2,258 LC/year

Head-to-head comparisons

BMW 1 Series Coupe (E82) 135i

  • Is 130 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 17 hp/t better power-to-weight
  • Has 7 km (5 mi) more estimated range
  • Has 110 L more trunk volume

Pros

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

BMW 1 Series Convertible (E88) 135i

No measurable advantages in the available data.

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 1 Series Coupe (E82) 135i
BMW 1 Series Convertible (E88) 135i
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