Car comparison

Opel Astra J GTC 2.0 OPCvsAlfa Romeo Giulietta (TYPE 940) 1.750 TBi

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

New comparison

Opel Astra J GTC

2.0 OPC

280 hp1998 ccGasolineFWDManualTurbochargedHatchback2012-2018
VS

Alfa Romeo Giulietta (TYPE 940)

1.750 TBi

240 hp1742 ccGasolineFWDAutomaticTurbochargedHatchback2014-2016

Comparison overview

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

Best choices

Alfa Romeo Giulietta (TYPE 940) 1.750 TBi

  • Lightest
    1,320 kg
    2,910 lb
  • Best power-to-weight
    182 hp/t
    136 kW/t
    5.5 kg/hp
  • Lowest combined fuel consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest city consumption
    9.8 L/100 km
    24.0 mpg US
    28.8 mpg UK
  • Lowest highway consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Best estimated range
    857 km
    533 mi
  • Best economy score
    88/100
  • Best practicality score
    73/100

Opel Astra J GTC 2.0 OPC

  • Quickest 0-100 km/h
    6.0 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    280 hp
    209 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Largest trunk
    380 L
  • Best overall score
    65/100
  • Best performance score
    63/100

Specification comparison

Specification comparison
ModelOpelAstra J GTC2.0 OPCAlfa RomeoGiulietta (TYPE 940)1.750 TBi
Power
280hp209kW
240hp179kW
Torque
400Nm295lb-ft
340Nm251lb-ft
Curb weight
1,550kg3,417lb
1,320kg2,910lb
Gross weight
1,840kg4,057lb
1,825kg4,023lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
244 km/h
152 mph
To 99% top speed
77.3s99% target: 257 km/h / 160 mph
Calculated
68.6s99% target: 242 km/h / 150 mph
Calculated
0-100 km/h
6.0s
6.0s
0-200 km/h
21.1s
Calculated
22.6s
Calculated
0-60 mph
5.7s
Calculated
5.7s
Calculated
Fuel consumption
8.1L/100 km29mpg US34.9mpg UK
7L/100 km33.6mpg US40.4mpg UK
Fuel consumption city
10.8L/100 km21.8mpg US26.2mpg UK
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
Quarter mile
14.1s
Calculated
14.1s
Calculated
Power-to-weight
181hp/t135kW/t82hp/1000 lb
Calculated
182hp/t136kW/t82hp/1000 lb
Calculated
Torque-to-weight
258Nm/t173lb-ft/ton
Calculated
258Nm/t172lb-ft/ton
Calculated
Estimated range
691km430mi
Calculated
857km533mi
Calculated
Displacement
1,998cc122cu in
1,742cc106cu in
Length
4,466mm176in
4,351mm171in
Width
1,840mm72in
1,798mm71in
Height
1,482mm58in
1,465mm58in
Wheelbase
2,695mm106in
2,634mm104in
Front track
1,584mm62in
1,554mm61in
Rear track
1,588mm63in
1,554mm61in
Ground clearance
112mm4in
-
Trunk volume
380L
350L
Max trunk volume
1,165L
-
Doors
3
5
Seats
5
5
Fuel tank
56L
60L
CO2 emissions
189g/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.

Opel Astra J GTC 2.0 OPCAlfa Romeo Giulietta (TYPE 940) 1.750 TBiPowerTorque
  • Opel Astra J GTC 2.0 OPC: Power / Torque
  • Alfa Romeo Giulietta (TYPE 940) 1.750 TBi: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
OpelAstra J GTC2.0 OPC5,300 rpm2,500-4,500 rpm5,550 rpm
Alfa RomeoGiulietta (TYPE 940)1.750 TBi5,750 rpm2,000 rpm6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricOpelAstra J GTC2.0 OPCAlfa RomeoGiulietta (TYPE 940)1.750 TBi
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
5.7 s
0-100 km/h
0-62 mph
6.0 s
6.0 s
0-200 km/h
0-124 mph
21.1 s
22.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
244 km/h
152 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.2 s
6.2 s
1/8 mile
201 m
9.3 s
9.3 s
1000 ft
305 m
11.9 s
11.9 s
1/4 mile
402 m
14.1 s
14.1 s
Trap speed
1/4 mile
402 m
167 km/h
104 mph
165 km/h
103 mph

Power comparison

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

Chart data table
VehicleValue
OpelAstra J GTC2.0 OPC
280 hp
209 kW
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
240 hp
179 kW

Opel Astra J GTC 2.0 OPC has 40 hp more than Alfa Romeo Giulietta (TYPE 940) 1.750 TBi.

The biggest power difference is between Alfa Romeo Giulietta (TYPE 940) 1.750 TBi and Opel Astra J GTC 2.0 OPC: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
OpelAstra J GTC2.0 OPC
400 Nm
295 lb-ft
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
340 Nm
251 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
OpelAstra J GTC2.0 OPC
1,550 kg
3,417 lb
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
1,320 kg
2,910 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
OpelAstra J GTC2.0 OPC
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
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
OpelAstra J GTC2.0 OPC6.0 s
Alfa RomeoGiulietta (TYPE 940)1.750 TBi6.0 s

Fuel consumption comparison

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

Chart data table
VehicleValue
OpelAstra J GTC2.0 OPC
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

The biggest fuel consumption difference is between Alfa Romeo Giulietta (TYPE 940) 1.750 TBi and Opel Astra J GTC 2.0 OPC: 1.1 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
OpelAstra J GTC2.0 OPC
181 hp/t
135 kW/t
5.5 kg/hp
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
182 hp/t
136 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
OpelAstra J GTC2.0 OPC
691 km
430 mi
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
857 km
533 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
OpelAstra J GTC2.0 OPC
280 hp
209 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
240 hp
179 kW
6.0 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
OpelAstra J GTC2.0 OPC
Power
280 hp
209 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
3 doors
5 seats
Trunk
380 L
13.4 cu ft
Length
4,466 mm
175.8 in
Height
1,482 mm
58.3 in
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
Power
240 hp
179 kW
0-100 km/h6.0 s
Top speed
244 km/h
152 mph
Doors/seats
5 doors
5 seats
Trunk
350 L
12.4 cu ft
Length
4,351 mm
171.3 in
Height
1,465 mm
57.7 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
OpelAstra J GTC2.0 OPC
Power
280 hp
209 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
Power
240 hp
179 kW
0-100 km/h6.0 s
Top speed
244 km/h
152 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

Opel Astra J GTC 2.0 OPC 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
OpelAstra J GTC2.0 OPC
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
6.0 s
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
6.0 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
OpelAstra J GTC2.0 OPC
181 hp/t
135 kW/t
5.5 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Alfa RomeoGiulietta (TYPE 940)1.750 TBi
182 hp/t
136 kW/t
5.5 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleOpelAstra J GTC2.0 OPCAlfa RomeoGiulietta (TYPE 940)1.750 TBi
Power
280 hp
209 kW
240 hp
179 kW
Torque
400 Nm
295 lb-ft
340 Nm
251 lb-ft
Acceleration
6.0 s
6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
244 km/h
152 mph
Lightness
1,550 kg
3,417 lb
1,320 kg
2,910 lb
Fuel consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Practicality
Doors/seats
3 doors
5 seats
Trunk
380 L
13.4 cu ft
Length
4,466 mm
175.8 in
Height
1,482 mm
58.3 in
Doors/seats
5 doors
5 seats
Trunk
350 L
12.4 cu ft
Length
4,351 mm
171.3 in
Height
1,465 mm
57.7 in
Range score
691 km
430 mi
857 km
533 mi
CO2 score
189 g/km
-
Trunk score
380 L
13.4 cu ft
350 L
12.4 cu ft
Power-to-weight score
181 hp/t
135 kW/t
5.5 kg/hp
182 hp/t
136 kW/t
5.5 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
VehicleOpel Astra J GTC 2.0 OPCAlfa Romeo Giulietta (TYPE 940) 1.750 TBi
Consumption8.1 L/100 km29 mpg US34.9 mpg UK7 L/100 km33.6 mpg US40.4 mpg UK
Cost / 100 km14.17 LC100 km12.25 LC100 km
Cost / 100 mi22.81 LC100 mi19.71 LC100 mi
Annual fuel used1,215 L321 US gal267 UK gal1,050 L277 US gal231 UK gal
Annual fuel cost2,126 LC/year1,838 LC/year

Head-to-head comparisons

Opel Astra J GTC 2.0 OPC

  • Has 40 hp more
  • Has 60 Nm more
  • Has 16 km/h (10 mph) higher top speed
  • Has 30 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

Alfa Romeo Giulietta (TYPE 940) 1.750 TBi

  • Is 230 kg lighter
  • Uses 1.1 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 166 km (103 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Opel Astra J GTC 2.0 OPC
Alfa Romeo Giulietta (TYPE 940) 1.750 TBi
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