Car comparison

BMW Z4 Coupe (E86) 3.0 sivsAlfa Romeo Brera 3.2 JTS V6

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

New comparison

BMW Z4 Coupe (E86)

3.0 si

265 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2006-2008
VS

Alfa Romeo Brera

3.2 JTS V6

260 hp3195 ccGasolineAWDManualNaturally aspiratedCoupe2005-2010

Comparison overview

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

Best choices

BMW Z4 Coupe (E86) 3.0 si

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    265 hp
    198 kW
  • Lightest
    1,325 kg
    2,921 lb
  • Best power-to-weight
    200 hp/t
    149 kW/t
    5.0 kg/hp
  • Lowest city consumption
    13.0 L/100 km
    18.1 mpg US
    21.7 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Best overall score
    55/100
  • Best performance score
    63/100

Specification comparison

Specification comparison
ModelBMWZ4 Coupe (E86)3.0 siAlfa RomeoBrera3.2 JTS V6
Power
265hp198kW
260hp194kW
Torque
315Nm232lb-ft
322Nm237lb-ft
Curb weight
1,325kg2,921lb
1,605kg3,538lb
Gross weight
1,650kg3,638lb
2,065kg4,553lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
244 km/h
152 mph
To 99% top speed
74.0s99% target: 262 km/h / 163 mph
Calculated
87.6s99% target: 242 km/h / 150 mph
Calculated
0-100 km/h
5.7s
6.8s
0-200 km/h
19.4s
Calculated
27.3s
Calculated
0-60 mph
5.4s
Calculated
6.4s
Calculated
Fuel consumption-
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
16.7L/100 km14.1mpg US16.9mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Quarter mile
13.8s
Calculated
14.8s
Calculated
Power-to-weight
200hp/t149kW/t91hp/1000 lb
Calculated
162hp/t121kW/t73hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
201Nm/t134lb-ft/ton
Calculated
Estimated range-
614km382mi
Calculated
Displacement
2,996cc183cu in
3,195cc195cu in
Length
4,091mm161in
4,413mm174in
Width
1,781mm70in
1,830mm72in
Height
1,268mm50in
1,341mm53in
Wheelbase
2,495mm98in
2,528mm100in
Front track
1,473mm58in
1,579mm62in
Rear track
1,523mm60in
1,559mm61in
Trunk volume
285L
300L
Max trunk volume
340L
610L
Doors
2
3
Seats
2
4
Fuel tank
55L
70L
CO2 emissions-
270g/km

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 Z4 Coupe (E86) 3.0 siAlfa Romeo Brera 3.2 JTS V6PowerTorque
  • BMW Z4 Coupe (E86) 3.0 si: Power / Torque
  • Alfa Romeo Brera 3.2 JTS V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWZ4 Coupe (E86)3.0 si6,600 rpm2,750 rpm6,850 rpm
Alfa RomeoBrera3.2 JTS V66,300 rpm4,500 rpm6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWZ4 Coupe (E86)3.0 siAlfa RomeoBrera3.2 JTS V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
6.4 s
0-100 km/h
0-62 mph
5.7 s
6.8 s
0-200 km/h
0-124 mph
19.4 s
27.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
244 km/h
152 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.1 s
6.4 s
1/8 mile
201 m
9.1 s
9.7 s
1000 ft
305 m
11.6 s
12.5 s
1/4 mile
402 m
13.8 s
14.8 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
156 km/h
97 mph

Power comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
265 hp
198 kW
Alfa RomeoBrera3.2 JTS V6
260 hp
194 kW

BMW Z4 Coupe (E86) 3.0 si has 5 hp more than Alfa Romeo Brera 3.2 JTS V6.

The biggest power difference is between Alfa Romeo Brera 3.2 JTS V6 and BMW Z4 Coupe (E86) 3.0 si: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
315 Nm
232 lb-ft
Alfa RomeoBrera3.2 JTS V6
322 Nm
237 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
1,325 kg
2,921 lb
Alfa RomeoBrera3.2 JTS V6
1,605 kg
3,538 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Alfa RomeoBrera3.2 JTS V6
244 km/h
152 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si5.7 s
Alfa RomeoBrera3.2 JTS V66.8 s

The biggest 0-100 km/h difference is between BMW Z4 Coupe (E86) 3.0 si and Alfa Romeo Brera 3.2 JTS V6: 1.1 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWZ4 Coupe (E86)3.0 si
200 hp/t
149 kW/t
5.0 kg/hp
Alfa RomeoBrera3.2 JTS V6
162 hp/t
121 kW/t
6.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWZ4 Coupe (E86)3.0 si
265 hp
198 kW
5.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Alfa RomeoBrera3.2 JTS V6
260 hp
194 kW
6.8 s
244 km/h
152 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
BMWZ4 Coupe (E86)3.0 si
Power
265 hp
198 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
285 L
10.1 cu ft
Length
4,091 mm
161.1 in
Height
1,268 mm
49.9 in
Alfa RomeoBrera3.2 JTS V6
Power
260 hp
194 kW
0-100 km/h6.8 s
Top speed
244 km/h
152 mph
Doors/seats
3 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,413 mm
173.7 in
Height
1,341 mm
52.8 in

Detailed score breakdown

Detailed score breakdown
VehicleBMWZ4 Coupe (E86)3.0 siAlfa RomeoBrera3.2 JTS V6
Power
265 hp
198 kW
260 hp
194 kW
Torque
315 Nm
232 lb-ft
322 Nm
237 lb-ft
Acceleration
5.7 s
6.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
244 km/h
152 mph
Lightness
1,325 kg
2,921 lb
1,605 kg
3,538 lb
Fuel consumption
-
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
285 L
10.1 cu ft
Length
4,091 mm
161.1 in
Height
1,268 mm
49.9 in
Doors/seats
3 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,413 mm
173.7 in
Height
1,341 mm
52.8 in
Range score
-
614 km
382 mi
CO2 score
-
270 g/km
Trunk score
285 L
10.1 cu ft
300 L
10.6 cu ft
Power-to-weight score
200 hp/t
149 kW/t
5.0 kg/hp
162 hp/t
121 kW/t
6.2 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
VehicleAlfa Romeo Brera 3.2 JTS V6
Consumption11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km19.95 LC100 km
Cost / 100 mi32.11 LC100 mi
Annual fuel used1,710 L452 US gal376 UK gal
Annual fuel cost2,993 LC/year

Head-to-head comparisons

BMW Z4 Coupe (E86) 3.0 si

  • Has 5 hp more
  • Is 280 kg lighter
  • Is 1.1 s quicker from 0-100 km/h
  • Has 21 km/h (13 mph) higher top speed
  • Has 38 hp/t better power-to-weight

Pros

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

Cons

  • Smallest trunk

Alfa Romeo Brera 3.2 JTS V6

  • Has 7 Nm more
  • Has 15 L more trunk volume

Pros

  • Highest torque
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW Z4 Coupe (E86) 3.0 si
Alfa Romeo Brera 3.2 JTS V6
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2 vehicles selected

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