Frankfurt: 2018 Opel Insignia receives new 2.0 Biturbo diesel

Article by Christian A., on September 6, 2017

Several days ahead of its world debut, Opel throws in a surprise by adding a new range–topping biturbo diesel as part of Insignia’s 2nd generation lineup. The 210 hp (154kW) 2.0-liter biturbo diesel variant, which will come paired with an eight-speed automatic gearbox and all-wheel drive system will be sharing the stage with Opel Insignia’s GSi and Grandland X compact crossover at the 2017 Frankfurt Motor Show this coming week.

The Euro-spec 2.0 biturbo diesel version should be able to take off at 0-60mph (0-100km/h) in 7.9 seconds before hitting a top speed of 145mph (233km/h). Offered within the entire range of Insignia variants such as the Country Tourer, Sports Tourer and Grand Sport, the newest addition to the diesel range should be ready for taking orders any day now as it is slated for production shortly after the premiere.

Opel places the 2.0 biturbo at the top of the line, meaning it’s also more expensive while offering more benefits than the single turbocharger. The two-stage turbocharging technology or BiTurbo provides better output and lower fuel consumption as compared to the existing 125kW/170PS 2.0-liter diesel unit. The Biturbo version packs a powerful output of 154kW/210hp at 4000 rounds per minute and 480 Newton Meters of torque from 1500 rpm. Other than the Insignia model range, Opel’s biturbo diesel is being offered with the Movano midsize van, the Vivaro minibus and the Astra C-segment model line.

Both the current 2.0 diesel and its newest range-topping variant are featuring the highly efficient SCR or the Selective Catalytic Reduction exhaust system. This type of after-treatment technology goes along with Adblue injection that eliminates nitrogen oxide from the exhaust gas of the engine. Thereby, when the watery substance that has ammonia reacts to the nitrogen oxides in the catalytic converter, it ends up making harmless water vapor and nitrogen.

The two turbochargers instead work in sequence for optimum fuel efficiency, more powerful torque and increased power output. As the air goes through the first turbocharger, it initially compresses the intake air before passing on to the second unit. The variable geometry turbine in the exhaust gas helps in reducing fuel consumption while increasing torque at low engine speeds and raising its power at higher speed engine.

In accordance with New European Driving Cycle requirement or NEDC, the Insignia Grand Sport with 2.0-liter BiTurbo engine provides a combined fuel consumption of 6.9 liters per 100 kilometers while its fuel consumption figures for extra urban driving are at 5.7 l/100km and 8.7 l.100km for urban driving. In contrast, the Worldwide harmonized light vehicles test procedure figures (or WLTP) are also available for viewing online at www.opel.de along with the summary of the engines and corresponding fuel consumption based on NEDC.

Press Release

Dream Team: New Top Diesel Engine for Opel Insignia Flagship

Production-start for the new top-of-the-line engine and the Insignia Country Tourer from Opel: With the summer slowly drawing to an end, the first 2.0-liter BiTurbo diesel engines will roll off the production line. They are tailored for the Country Tourer along with all other variants of Opel’s flagship. With the Grand Sport, Sports Tourer and Country Tourer the second generation Insignia can be ordered with the new top-of-the-range diesel this year. The Country Tourer appeals to all Insignia fans looking for stylish and practical station wagon with off-road looks. The newcomer will celebrate its world premiere at the Frankfurt International Motor Show (September 14-24).

The newly designed 2.0-liter diesel engine produces 154 kW/210 hp at 4,000 rpm and develops strong torque of 480 Nm from only 1,500 rpm thanks to sequential two-stage turbocharging (Official fuel consumption Grand Sport 2.0 BiTurbo in accordance with New European Driving Cycle: urban 8.7 l/100 km, extra-urban 5.7 l/100 km, combined 6.9 l/100 km, official specific combined CO2 emissions 183 g/km). The new Insignia BiTurbo accelerates from 0 to 100 km/h in just 7.9 seconds with a maximum speed of 233 km/h.

Such strength must be transferred to the road intelligently, which is why the top-of-the-line engine always comes in combination with a smooth-shifting eight-speed automatic transmission and high-tech all-wheel drive with torque vectoring. In addition to the power output, the drivability (turbo power in every situation) and the refinement of the new common rail engine are also further improved compared with the existing extremely popular 2.0-liter unit with single turbocharger (125 kW/170 PS; official fuel consumption Grand Sport with front-wheel drive in accordance with NEDC urban 6.7 l/100 km, extra-urban 4.3 l/100 km, combined 5.2 l/100 km, official specific combined CO2 emissions 136 g/km).

In addition to the legally required NEDC Data, Opel also determined values in accordance with the Worldwide Harmonized Light-Duty Vehicles Test Procedure (WLTP) which are officially required as of this autumn for the newly developed four-cylinder BiTurbo. The WLTP values (Insignia Grand Sport 2.0 BiTurbo WLTP fuel consumption range 12.2-6.2[1] l/100 km, combined 8.0-7.5 l/100 km, 209-196 g/km CO2) are much more realistic than the hitherto officially applicable NEDC figures (Official fuel consumption Grand Sport 2.0 BiTurbo in accordance with NEDC urban 8.7 l/100 km, extra-urban 5.7 l/100 km, combined 6.9 l/100 km, official specific combined CO2 emissions 183 g/km). The WLTP figures also take different driving styles into consideration, which enables customers to get a better estimate of their own fuel consumption[2]. An overview of the more realistic consumption figures in accordance with the WLTP cycle can be found on opel.de.

Like the existing 125 kW/170 hp 2.0-liter engine with single turbocharger, the new top-of-the-line diesel also features highly effective Selective Catalytic Reduction (SCR) exhaust after-treatment technology with AdBlue injection, which removes nitrogen oxide (NOx) from the engine’s exhaust gases. The watery urea solution which contains ammonia (NH3) reacts with the nitrogen oxides in the SCR catalytic converter and creates harmless nitrogen and water vapor.

New top-of-the-line diesel with sequential two-stage turbocharging

Opel has pulled out all the stops for maximum fuel efficiency and maximum fun-to-drive. The new diesel features two turbochargers functioning sequentially. The intake air enters the first turbocharger where it is compressed and passed to the second turbo. This is driven by Variable Geometry Turbine vanes in the exhaust gas, which increase torque at low engine speeds and raise power at higher engine speeds. VGT then adjusts the vanes to parallel with the gas flow, thus reducing back pressure and lowering fuel consumption. The now highly compressed and very hot intake air then passes through an intercooler on the way to the combustion chambers. Diesel fuel is then injected through seven-hole jets in up to ten sequences at 2000 bar. The boost-pressure is controlled, according to engine-speed and load, by three bypass valves and an electrically actuated variable turbine geometry.

Apart from increased efficiency, higher power output and torque, refinement and noise attenuation were priorities in the design of the new engine. The Opel engineers therefore gave the engine a cast-iron crankshaft, balance shafts, a stiffened flywheel and a two-piece oil sump, in order to reduce diesel-typical vibrations and acoustics to a minimum. In order to further lower fuel consumption, the water pump is only switched on when temperatures require it. Just like the well-known 2.0-liter diesel, the new BiTurbo diesel is built in Opel’s Kaiserslautern plant.

Power of two turbos: BiTurbo diesels now with Astra, Insignia, Vivaro and Movano

A 2.0 liter BiTurbo diesel with 143 kW/195 hp and maximum torque of 400 Nm already made its debut in the first-generation Insignia in 2012, and was then offered in the Astra, Cascada, GTC and Zafira Tourer. The new 154 kW/210 hp and 480 Nm engine for the Insignia fits perfectly into the range of current Opel power units with two-stage turbocharging.

The Astra, European Car of the Year 2016, is available as hatchback and Sports Tourer with a 118 kW/160 hp 1.6 BiTurbo. The four-cylinder engine develops maximum torque of 350 Nm at only 1,500 rpm (Official fuel consumption Astra hatchback in accordance with NEDC, urban 5.0 l/100 km, extra-urban 3.4 l/100 km, combined 4.0 l/100 km, official specific combined CO2 emissions 106 g/km CO2). The fastest Astra diesel thus accelerates from zero to 100 km/h in 8.9 seconds and reaches a maximum speed of 220 km/h.

Two-stage turbocharging also brings good performance and low fuel consumption on Opel’s Combi vans and light commercial vehicles. The Vivaro range offers a choice of two especially efficient 1.6-liter-BiTurbo variants: the 92 kW/125 hp engine with 320 Nm of torque (Official fuel consumption Combi L1 in accordance with NEDC, urban 6.4 l/100 km, extra-urban 5.1 l/100 km, combined 5.6 l/100 km, official specific combined CO2 emissions 145 g/km) and the 107 kW/145 hp unit with 340 Nm of torque (Official fuel consumption Combi L1 in accordance with NEDC, urban 6.6 l/100 km, extra-urban 5.4 l/100 km, combined 5.9 l/100 km, official specific combined CO2 emissions 152 g/km).

The performance of the Vivaro engines is slightly surpassed by that of the higher displacement 2.3-liter four-cylinder diesels of the larger Opel Movano. There are also two offers here with 107 kW/145 hp and 350 Nm (Official fuel consumption Combi1 in accordance with NEDC, urban 7.4 l/100 km, extra-urban 5.8 l/100 km, combined 6.3 l/100 km, official specific combined CO2 emissions 165 g/km) plus 125 kW/170 PS and also 350 Nm (Official fuel consumption panel van L1 in accordance with NEDC, urban 7.4 l/100 km, extra-urban 5.8 l/100 km, combined 6.3 l/100 km, official specific combined CO2 emissions 165 g/km).

Full package: The diesel engines for the new Insignia

Below please find an overview of the diesel engines currently available for the Insignia. All figures relate to the Grand Sport limousine.

Official Fuel Consumption[3]
Official Specific Combined CO2 Emissions[4]
Engines
Output
Torque
Urban
Extra-urban
Combined
Combined
1.6 Diesel
81 kW (110 hp)
300 Nm
4.9 l
3.8 l
4.2 l
110 g/km
1.6 Diesel
ECOTEC
81 kW (110 hp)
300 Nm
4.6 l
3.6 l
4.0 l
105 g/km
1.6 Diesel
100 kW (136 hp)
320 Nm
5.2 l
4.0 l
4.5 l
118 g/km
2.0 Diesel
125 kW (170 hp)
400 Nm
6.7 l
4.3 l
5.2 l
136 g/km
2.0 BiTurbo
154 kW (210 hp)
480 Nm
8.7 l
5.7 l
6.9 l
183 g/km

[1] The ranges mentioned can be explained as follows: The lower value represents the lowest value of the four phases of the WLTP cycle driven with the version of the specified vehicle with the most favorable consumption figures with the respective mentioned engine/transmission combination. The upper value represents the highest value of the four phases of the WLTP cycle driven with the version of the specified vehicle with the most unfavorable consumption figures with the respective mentioned engine/transmission combination. The values obtained this way provide a good overview and indication of the everyday consumption that can be expected.

[2] The values mentioned are based on the WLTP cycle. They have been determined according to a standardized driving cycle conducted on a dynamometer. Everyday values can differ based on driving style, usage and other factors.

[3] All consumption data refer to diesel fuel in accordance with NEDC. All data refer to the EU base model with standard equipment. The stated data were determined according to regulation 2007/715/EC, taking into consideration the vehicle curb weight, as stipulated by the regulation

[4] All consumption data refer to diesel fuel in accordance with NEDC. All data refer to the EU base model with standard equipment. The stated data were determined according to regulation 2007/715/EC, taking into consideration the vehicle curb weight, as stipulated by the regulation

Source: Opel

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