Car comparison

Renault Megane IV RS 1.8vsOpel Insignia Grand Sport (B) 2.0 Turbo

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

Opel Insignia Grand Sport (B)

2.0 Turbo

260 hp1998 ccGasolineAWDAutomaticTurbochargedHatchback2017-2018

Comparison overview

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

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

Opel Insignia Grand Sport (B) 2.0 Turbo

Highest torque
400 Nm
295 lb-ft
Best estimated range
721 km
448 mi
Largest trunk
490 L
Best practicality score
79/100

Specification comparison

Specification comparison
Model	RenaultMegane IVRS 1.8	OpelInsignia Grand Sport (B)2.0 Turbo
Power	280hp209kW	260hp194kW
Torque	390Nm288lb-ft	400Nm295lb-ft
Curb weight	1,460kg3,219lb	1,574kg3,470lb
Gross weight	1,930kg4,255lb	2,245kg4,949lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	250 km/h 155 mph
To 99% top speed	72.5s99% target: 257 km/h / 160 mph Calculated	91.5s99% target: 248 km/h / 154 mph Calculated
0-100 km/h	5.8s	7.3s
0-200 km/h	20.1s Calculated	27.3s Calculated
0-60 mph	5.5s Calculated	6.9s Calculated
Fuel consumption	7.6L/100 km30.9mpg US37.2mpg UK	8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption city	10.7L/100 km22mpg US26.4mpg UK	11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway	6.5L/100 km36.2mpg US43.5mpg UK	7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile	13.9s Calculated	15.2s Calculated
Power-to-weight	192hp/t143kW/t87hp/1000 lb Calculated	165hp/t123kW/t75hp/1000 lb Calculated
Torque-to-weight	267Nm/t179lb-ft/ton Calculated	254Nm/t170lb-ft/ton Calculated
Estimated range	658km409mi Calculated	721km448mi Calculated
Displacement	1,798cc110cu in	1,998cc122cu in
Length	4,372mm172in	4,897mm193in
Width	1,874mm74in	1,863mm73in
Height	1,445mm57in	1,455mm57in
Wheelbase	2,669mm105in	2,829mm111in
Front track	1,615mm64in	1,607mm63in
Rear track	1,596mm63in	1,610mm63in
Ground clearance	101mm4in	-
Trunk volume	294L	490L
Max trunk volume	1,157L	1,450L
Doors	5	5
Seats	5	5
Fuel tank	50L	62L
CO2 emissions	-	197g/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 Insignia Grand Sport (B) 2.0 TurboPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
RenaultMegane IVRS 1.8	6,000 rpm	2,400-4,800 rpm	6,250 rpm
OpelInsignia Grand Sport (B)2.0 Turbo	5,300 rpm	2,500-4,000 rpm	5,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	RenaultMegane IVRS 1.8	OpelInsignia Grand Sport (B)2.0 Turbo
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.5 s	6.9 s
0-100 km/h 0-62 mph	5.8 s	7.3 s
0-200 km/h 0-124 mph	20.1 s	27.3 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	250 km/h 155 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.6 s
330 ft 101 m	6.1 s	6.7 s
1/8 mile 201 m	9.1 s	10.0 s
1000 ft 305 m	11.7 s	12.8 s
1/4 mile 402 m	13.9 s	15.2 s
Trap speed 1/4 mile 402 m	169 km/h 105 mph	155 km/h 96 mph

Power comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	280 hp 209 kW
OpelInsignia Grand Sport (B)2.0 Turbo	260 hp 194 kW

Renault Megane IV RS 1.8 has 20 hp more than Opel Insignia Grand Sport (B) 2.0 Turbo.

The biggest power difference is between Opel Insignia Grand Sport (B) 2.0 Turbo and Renault Megane IV RS 1.8: 20 hp (15 kW).

Torque comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	390 Nm 288 lb-ft
OpelInsignia Grand Sport (B)2.0 Turbo	400 Nm 295 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	1,460 kg 3,219 lb
OpelInsignia Grand Sport (B)2.0 Turbo	1,574 kg 3,470 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
OpelInsignia Grand Sport (B)2.0 Turbo	250 km/h 155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	5.8 s
OpelInsignia Grand Sport (B)2.0 Turbo	7.3 s

The biggest 0-100 km/h difference is between Renault Megane IV RS 1.8 and Opel Insignia Grand Sport (B) 2.0 Turbo: 1.5 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	7.6 L/100 km 30.9 mpg US 37.2 mpg UK
OpelInsignia Grand Sport (B)2.0 Turbo	8.6 L/100 km 27.4 mpg US 32.8 mpg UK

The biggest fuel consumption difference is between Renault Megane IV RS 1.8 and Opel Insignia Grand Sport (B) 2.0 Turbo: 1.0 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	192 hp/t 143 kW/t 5.2 kg/hp
OpelInsignia Grand Sport (B)2.0 Turbo	165 hp/t 123 kW/t 6.1 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
RenaultMegane IVRS 1.8	658 km 409 mi
OpelInsignia Grand Sport (B)2.0 Turbo	721 km 448 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
RenaultMegane IVRS 1.8	280 hp 209 kW	5.8 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
OpelInsignia Grand Sport (B)2.0 Turbo	260 hp 194 kW	7.3 s	250 km/h 155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

RenaultMegane IVRS 1.8

Power	280 hp 209 kW
0-100 km/h	5.8 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

OpelInsignia Grand Sport (B)2.0 Turbo

Power	260 hp 194 kW
0-100 km/h	7.3 s
Top speed 250 km/h 155 mph

Doors/seats	5 doors 5 seats
Trunk	490 L 17.3 cu ft
Length	4,897 mm 192.8 in
Height	1,455 mm 57.3 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

RenaultMegane IVRS 1.8

Power	280 hp 209 kW
0-100 km/h	5.8 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

OpelInsignia Grand Sport (B)2.0 Turbo

Power	260 hp 194 kW
0-100 km/h	7.3 s
Top speed 250 km/h 155 mph

8.6 L/100 km

27.4 mpg US

32.8 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
RenaultMegane IVRS 1.8	7.6 L/100 km 30.9 mpg US 37.2 mpg UK	5.8 s
OpelInsignia Grand Sport (B)2.0 Turbo	8.6 L/100 km 27.4 mpg US 32.8 mpg UK	7.3 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
Vehicle	Power-to-weight, hp/t	Fuel 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
OpelInsignia Grand Sport (B)2.0 Turbo	165 hp/t 123 kW/t 6.1 kg/hp	8.6 L/100 km 27.4 mpg US 32.8 mpg UK

Detailed score breakdown

Vehicle

RenaultMegane IVRS 1.8

OpelInsignia Grand Sport (B)2.0 Turbo

Power

280 hp

209 kW

260 hp

194 kW

Torque

390 Nm

288 lb-ft

400 Nm

295 lb-ft

Acceleration

5.8 s

7.3 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

250 km/h

155 mph

Lightness

1,460 kg

3,219 lb

1,574 kg

3,470 lb

Fuel consumption

7.6 L/100 km

30.9 mpg US

37.2 mpg UK

8.6 L/100 km

27.4 mpg US

32.8 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	5 doors 5 seats
Trunk	490 L 17.3 cu ft
Length	4,897 mm 192.8 in
Height	1,455 mm 57.3 in

Range score

658 km

409 mi

721 km

448 mi

CO2 score

197 g/km

Trunk score

294 L

10.4 cu ft

490 L

17.3 cu ft

Power-to-weight score

192 hp/t

143 kW/t

5.2 kg/hp

165 hp/t

123 kW/t

6.1 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Renault Megane IV RS 1.8	Opel Insignia Grand Sport (B) 2.0 Turbo
Consumption	7.6 L/100 km30.9 mpg US37.2 mpg UK	8.6 L/100 km27.4 mpg US32.8 mpg UK
Cost / 100 km	13.30 LC100 km	15.05 LC100 km
Cost / 100 mi	21.40 LC100 mi	24.22 LC100 mi
Annual fuel used	1,140 L301 US gal251 UK gal	1,290 L341 US gal284 UK gal
Annual fuel cost	1,995 LC/year	2,258 LC/year