Car comparison

Renault Megane IV RS 1.8vsOpel Astra J GTC 2.0 OPC

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

New comparison

Renault Megane IV

RS 1.8

280 hp1798 ccGasolineFWDAutomaticTurbochargedHatchback2018-2020
VS

Opel Astra J GTC

2.0 OPC

280 hp1998 ccGasolineFWDManualTurbochargedHatchback2012-2018

Comparison overview

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

Best choices

Renault Megane IV RS 1.8

  • Quickest 0-100 km/h
    5.8 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    280 hp
    209 kW
  • Lightest
    1,460 kg
    3,219 lb
  • Best power-to-weight
    192 hp/t
    143 kW/t
    5.2 kg/hp
  • Lowest combined fuel consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Best overall score
    66/100
  • Best performance score
    64/100
  • Best economy score
    86/100
  • Best practicality score
    71/100

Specification comparison

Specification comparison
ModelRenaultMegane IVRS 1.8OpelAstra J GTC2.0 OPC
Power
280hp209kW
280hp209kW
Torque
390Nm288lb-ft
400Nm295lb-ft
Curb weight
1,460kg3,219lb
1,550kg3,417lb
Gross weight
1,930kg4,255lb
1,840kg4,057lb
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
72.1s99% target: 257 km/h / 160 mph
Calculated
76.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.8s
6.0s
0-200 km/h
20.0s
Calculated
21.0s
Calculated
0-60 mph
5.5s
Calculated
5.7s
Calculated
Fuel consumption
7.6L/100 km30.9mpg US37.2mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
13.9s
Calculated
14.1s
Calculated
Power-to-weight
192hp/t143kW/t87hp/1000 lb
Calculated
181hp/t135kW/t82hp/1000 lb
Calculated
Torque-to-weight
267Nm/t179lb-ft/ton
Calculated
258Nm/t173lb-ft/ton
Calculated
Estimated range
658km409mi
Calculated
691km430mi
Calculated
Displacement
1,798cc110cu in
1,998cc122cu in
Length
4,372mm172in
4,466mm176in
Width
1,874mm74in
1,840mm72in
Height
1,445mm57in
1,482mm58in
Wheelbase
2,669mm105in
2,695mm106in
Front track
1,615mm64in
1,584mm62in
Rear track
1,596mm63in
1,588mm63in
Ground clearance
101mm4in
112mm4in
Trunk volume
294L
380L
Max trunk volume
1,157L
1,165L
Doors
5
3
Seats
5
5
Fuel tank
50L
56L
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.

Renault Megane IV RS 1.8Opel Astra J GTC 2.0 OPCPowerTorque
  • Renault Megane IV RS 1.8: Power / Torque
  • Opel Astra J GTC 2.0 OPC: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
RenaultMegane IVRS 1.86,000 rpm2,400-4,800 rpm6,250 rpm
OpelAstra J GTC2.0 OPC5,300 rpm2,500-4,500 rpm5,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricRenaultMegane IVRS 1.8OpelAstra J GTC2.0 OPC
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.7 s
0-100 km/h
0-62 mph
5.8 s
6.0 s
0-200 km/h
0-124 mph
20.0 s
21.0 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
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.1 s
6.2 s
1/8 mile
201 m
9.1 s
9.3 s
1000 ft
305 m
11.7 s
11.9 s
1/4 mile
402 m
13.9 s
14.1 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
RenaultMegane IVRS 1.8
280 hp
209 kW
OpelAstra J GTC2.0 OPC
280 hp
209 kW

Torque comparison

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

Chart data table
VehicleValue
RenaultMegane IVRS 1.8
390 Nm
288 lb-ft
OpelAstra J GTC2.0 OPC
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
RenaultMegane IVRS 1.8
1,460 kg
3,219 lb
OpelAstra J GTC2.0 OPC
1,550 kg
3,417 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
RenaultMegane IVRS 1.8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
OpelAstra J GTC2.0 OPC
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
RenaultMegane IVRS 1.85.8 s
OpelAstra J GTC2.0 OPC6.0 s

The biggest 0-100 km/h difference is between Renault Megane IV RS 1.8 and Opel Astra J GTC 2.0 OPC: 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
RenaultMegane IVRS 1.8
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
OpelAstra J GTC2.0 OPC
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

The biggest fuel consumption difference is between Renault Megane IV RS 1.8 and Opel Astra J GTC 2.0 OPC: 0.5 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
RenaultMegane IVRS 1.8
192 hp/t
143 kW/t
5.2 kg/hp
OpelAstra J GTC2.0 OPC
181 hp/t
135 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
RenaultMegane IVRS 1.8
658 km
409 mi
OpelAstra J GTC2.0 OPC
691 km
430 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
RenaultMegane IVRS 1.8
280 hp
209 kW
5.8 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
OpelAstra J GTC2.0 OPC
280 hp
209 kW
6.0 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
RenaultMegane IVRS 1.8
Power
280 hp
209 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
294 L
10.4 cu ft
Length
4,372 mm
172.1 in
Height
1,445 mm
56.9 in
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

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
RenaultMegane IVRS 1.8
Power
280 hp
209 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
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

Renault Megane IV RS 1.8 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
RenaultMegane IVRS 1.8
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
5.8 s
OpelAstra J GTC2.0 OPC
8.1 L/100 km
29.0 mpg US
34.9 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
RenaultMegane IVRS 1.8
192 hp/t
143 kW/t
5.2 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleRenaultMegane IVRS 1.8OpelAstra J GTC2.0 OPC
Power
280 hp
209 kW
280 hp
209 kW
Torque
390 Nm
288 lb-ft
400 Nm
295 lb-ft
Acceleration
5.8 s
6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,460 kg
3,219 lb
1,550 kg
3,417 lb
Fuel consumption
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
294 L
10.4 cu ft
Length
4,372 mm
172.1 in
Height
1,445 mm
56.9 in
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
Range score
658 km
409 mi
691 km
430 mi
CO2 score
-
189 g/km
Trunk score
294 L
10.4 cu ft
380 L
13.4 cu ft
Power-to-weight score
192 hp/t
143 kW/t
5.2 kg/hp
181 hp/t
135 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
VehicleRenault Megane IV RS 1.8Opel Astra J GTC 2.0 OPC
Consumption7.6 L/100 km30.9 mpg US37.2 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km13.30 LC100 km14.17 LC100 km
Cost / 100 mi21.40 LC100 mi22.81 LC100 mi
Annual fuel used1,140 L301 US gal251 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost1,995 LC/year2,126 LC/year

Head-to-head comparisons

Renault Megane IV RS 1.8

  • Is 90 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 11 hp/t better power-to-weight

Pros

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

Cons

  • Smallest trunk

Opel Astra J GTC 2.0 OPC

  • Has 10 Nm more
  • Has 33 km (21 mi) more estimated range
  • Has 86 L more trunk volume

Pros

  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Renault Megane IV RS 1.8
Opel Astra J GTC 2.0 OPC
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