Opel Signum 2005 1.9 CDTi

Opel Signum 2005 1.9 diesel description

Hatchback Opel Signum 2005 1.9 CDTi has been produced from March, 2007 to January, 2008. It has four-cylinder diesel engine with displacement of 1.9 litres, which produces power of 150 horsepower on 4000 rpm and torque 320 Nm (Newton metres) on 2000 revolutions per minute.

This 4-cylinder 16-valve engine camshaft is driven by belt (What is an engine chain and belt? ). Engine has Common Rail fuel system and Garrett GT1749MV turbine. The engine meets the Euro 4 emissions standard. Engine lifespan (mileage before major repairs or overhaul) can last from 270 up to 450 thousand kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs 
This Opel Signum 1.9 engine oil type is 5W-40 and oil capacity is 4.5 litres.

Opel Signum 2005 1.9 CDTi has front wheel drive (FWD) and manual gearbox with 6 gears.
Opel Signum 2005 1.9 CDTi accelerates to speed 100 kilometres per hour in 10.5 seconds. The maximum speed of this car is 209 km/h.

Opel Signum 2005 1.9 CDTi fuel consumption is 6 litres per 100km in combined city/highway mode (16.7 km/l) - this is one of most fuel efficient Opel Signum 2005 - 2008 versions. Fuel tank capacity is 60 litres or 15.85 gallons, which gives a mileage up to 1000 kilometers without refueling in urban cycle.
According to user reviews, the real everyday fuel consumption of this Opel is in line with the figure specified by the manufacturer. More - Real Opel Signum fuel consumption.

With the same engine there are also two other Opel Signum versions - with automatic gearbox (Opel Signum 2005 1.9 CDTi AT), and with automatic gearbox (Opel Signum 2007 1.9 CDTi AT) available:
  • Opel Signum 2005 1.9 CDTi AT manufacturer's fuel consumption is higher by 1 litres per 100 km or 17 % - 7.0 litres per 100 km, whereas users reported real fuel consumption is higher by 0.7 litres per 100 km or 11 % - 6.9 litres per 100 km
  • Opel Signum 2007 1.9 CDTi AT manufacturer's fuel consumption is higher by 1 litres per 100 km or 17 % - 7.0 litres per 100 km, whereas users reported real fuel consumption is higher by 0.5 litres per 100 km or 8 % - 6.7 litres per 100 km
Opel Signum 2005

Opel Signum 2005 1.9 CDTi technical data

Model: Opel Signum 1.9 CDTi
Body style: Hatchback
Production period: 2007. March ... 2008. January 
Engine: 1910 cm3 Diesel, 4 cylinders CO2 emissions: 162 g/km
Power: 150 HP ON 4000 RPM Torque: 320 NM ON 2000 RPM
Gearbox: Manual gearbox (6 gears) Drive type: Front wheel drive (FWD)
Top speed: 209 km/h Acceleration 0-100 km/h: 10.5 seconds
Fuel consumption (l/100km): 6.0 (combined)
Real fuel consumption: 6.2 l/100km (37.9 MPG) by user reviews from various sources
Fuel tank capacity: 60 litres (15.9 gallons)
Car dimensions: 4.65m (length) 1.80m (width) 1.47m (height)
Turning diameter: 11.4 meters
Seats: 5 seats
Trunk capacity: 365 litres
Trunk max capacity: 1410 litres (with rear seats folded down)

Opel Signum 2005 1.9 CDTi engine Z19DTH

Engine reliability:

Overall, this engine can last around 270,000 to 450,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement 1910 cm3
Number of cylinders 4
Bore (cylinder diameter) 82 mm
Stroke length (piston move) 90.4 mm
Compression ratio 17.5 : 1
Camshaft drive Timing belt

Timing belt engines are generally quieter and less vibrating than chain engines, but belt usually needs to be replaced more often and the risk of breakage is higher.

Fuel system Common Rail

Common rail fuel injection provides more engine power, is quieter, more environmentally friendly and offers better fuel economy, but is more expensive to maintain and repair.

Opel Signum 2005 1.9 CDTi oil type 5W-40
Oil capacity 4.5 litres (4.8 quarts)
Power 150 HP ON 4000 RPM
Torque 320 NM ON 2000 RPM
Start of production (year) 2004
Duration of production 6 years
Engine also used on Opel Astra Opel Zafira Opel Vectra

All Opel Signum hatchback [2005 - 2008] modifications

Modification Engine Power Consumption Gearbox
Opel Signum 2005 1.8i 16V

Most fuel efficient petrol version

1.8 Petrol 140 HP 7.7 l/100km Manual (5)
Opel Signum 2005 1.9 CDTi Aug 2005 — Jan 2007

Most fuel efficient diesel version

1.9 Diesel 100 HP 5.9 l/100km Manual (6)
Opel Signum 2005 1.9 CDTi Aug 2005 — Mar 2007

Most fuel efficient diesel version

1.9 Diesel 120 HP 5.9 l/100km Manual (6)
Opel Signum 2007 1.9 CDTi Mar 2007 — Jan 2008

Most fuel efficient diesel version

1.9 Diesel 120 HP 5.9 l/100km Manual (6)
Opel Signum 2005 1.9 CDTi Aug 2005 — Mar 2007 1.9 Diesel 150 HP 6.0 l/100km Manual (6)
Opel Signum 2007 1.9 CDTi Mar 2007 — Jan 2008 1.9 Diesel 150 HP 6.0 l/100km Manual (6)
Opel Signum 2005 1.9 CDTi Aug 2005 — Mar 2007 1.9 Diesel 150 HP 7.0 l/100km Automatic (6)
Opel Signum 2007 1.9 CDTi Mar 2007 — Jan 2008 1.9 Diesel 150 HP 7.0 l/100km Automatic (6)
Opel Signum 2005 2.0-16V Turbo Aug 2005 — Mar 2007 2.0 Petrol 175 HP 8.9 l/100km Manual (6)
Opel Signum 2007 2.0-16V Turbo Mar 2007 — Jan 2008 2.0 Petrol 175 HP 8.9 l/100km Manual (6)
Opel Signum 2005 2.2-16V DGi Aug 2005 — Jan 2008

Most fuel efficient petrol version by real consumption

2.2 Petrol 155 HP 8.1 l/100km Manual (6)
Opel Signum 2005 2.2-16V DGi Aug 2005 — Mar 2007 2.2 Petrol 155 HP 8.3 l/100km Automatic (5)
Opel Signum 2007 2.2-16V DGi Mar 2007 — Jan 2008 2.2 Petrol 155 HP 8.3 l/100km Automatic (5)
Opel Signum 2005 2.8-V6 Turbo Aug 2005 — Jan 2007

Most dynamic version - 100 km/h in 7.6 seconds

2.8 Petrol 230 HP 10.6 l/100km Manual (6)
Opel Signum 2005 2.8-V6 Turbo Aug 2005 — Jan 2007 2.8 Petrol 230 HP 11.2 l/100km Automatic (6)
Opel Signum 2007 2.8-V6 Turbo Jan 2007 — Jan 2008

Most dynamic version - 100 km/h in 7.6 seconds

2.8 Petrol 250 HP 10.6 l/100km Manual (6)
Opel Signum 2007 2.8-V6 Turbo Jan 2007 — Jan 2008

Most powerfull petrol version (250 HP)

2.8 Petrol 250 HP 11.2 l/100km Automatic (6)
Opel Signum 2005 3.0-V6 CDTI Aug 2005 — Jan 2008

Most powerfull diesel version (184 HP)

3.0 Diesel 184 HP 7.0 l/100km Manual (6)
Opel Signum 2006 3.0-V6 CDTI Aug 2006 — Jan 2008

Most powerfull diesel version (184 HP)

3.0 Diesel 184 HP 7.2 l/100km Automatic (6)
Opel Signum 2005 reviews
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