Kia Optima 2005 2.0 diesel description
Sedan Kia Optima 2005 II 2.0 CRDi has been produced from 2005 to 2010. It has four-cylinder diesel engine with displacement of 2.0 litres, which produces power of 140 horsepower on 4000 rpm and torque 305 Nm (Newton metres) on 1800 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, it has no turbine. Engine versions compliant with Euro 3 and Euro 4 emission standards available.
More engine specs
The Hyundai/Kia 2.0 CRDi engine with the D4EA code is a cast-iron diesel unit introduced in the early 2000s. It is known for solid durability and, when properly maintained, can often reach 300,000–400,000 km. The engine appeared in several versions over the ...
This Kia Optima 2.0 engine oil type is 5W-30, 5W-40 and oil capacity is 6.5 litres.
Kia Optima 2005 II 2.0 CRDi has front wheel drive (FWD) and automatic gearbox with 5 gears.
Kia Optima 2005 II 2.0 CRDi accelerates to speed 100 kilometres per hour in 11.7 seconds. The maximum speed of this car is 200 km/h.
In combined cycle (city and motorway), the Kia Optima 2005 II 2.0 CRDi fuel consumption is 7.3 litres per 100km (13.7 km/l), city fuel economy - 10.4 l/100km, fuel consumption on highway - 5.6 l/100km. Fuel tank capacity is 62 litres or 16.38 gallons, which gives a mileage up to 840 kilometers without refueling in urban cycle and even up to 1100 kilometers on highway.
Kia Optima 2005 II 2.0 CRDi technical data
| Model: | Kia Optima II 2.0 CRDi | ||
|---|---|---|---|
| Body style: | Sedan | ||
| Production period: | 2005. January ... 2010. January | ||
| Engine: | 1991 cm3 Diesel, 4 cylinders | CO2 emissions: | no data |
| Power: | 140 HP ON 4000 RPM | Torque: | 305 NM ON 1800 RPM |
| Gearbox: | Automatic gearbox (5 gears) | Drive type: | Front wheel drive (FWD) |
| Top speed: | 200 km/h | Acceleration 0-100 km/h: | 11.7 seconds |
| Fuel consumption (l/100km): | 7.3 (combined) 10.4 (urban) 5.6 (highway) | ||
| Fuel tank capacity: | 62 litres (16.4 gallons) | ||
| Car dimensions: | 4.74m (length) 1.81m (width) 1.48m (height) | ||
| Turning diameter: | 11.8 meters | ||
| Trunk capacity: | 496 litres | ||
| Gross weight: | 2060 kg | ||
Kia Optima 2005 II 2.0 CRDi engine D4EA
Engine reliability and common problems:
The Hyundai/Kia 2.0 CRDi engine with the D4EA code is a cast-iron diesel unit introduced in the early 2000s. It is known for solid durability and, when properly maintained, can often reach 300,000–400,000 km. The engine appeared in several versions over the years. Early variants produced around 112 hp with a conventional MHI turbocharger, while the D4EA-V version used a Garrett variable-geometry turbo and delivered about 125 hp. A later (2005) update introduced more powerful versions with 140–150 hp, along with an improved Bosch common-rail fuel system operating at higher pressure and a more advanced Garrett turbocharger.In everyday use the engine is fairly economical for its size and generally straightforward to service, with good availability of spare parts. The cylinder head also includes hydraulic lifters, which simplifies maintenance. However, several weak points are known and require attention.
The fuel system can be sensitive to diesel quality. Injectors and the fuel pressure regulator may fail if contaminated fuel is used, leading to rough running or misfires. Another known concern involves the piston assembly. In some cases incorrect combustion timing can cause damage to piston rings or even the piston crown, particularly in early engines.
Wear in the valvetrain is another area to watch. Hydraulic lifters may fail and cause damage to the rocker arms, while camshaft wear is also reported on higher-mileage engines. The timing belt must be monitored carefully, as a failure will almost always result in bent valves and major repair costs.
Oil-related problems may also occur if maintenance is neglected. A clogged oil pump pickup can lead to oil starvation and bearing damage. After about 200,000–250,000 km some engines begin to show increased oil consumption, and components such as the turbocharger or camshafts may require replacement.
Despite these issues, the D4EA is generally regarded as a durable diesel engine. Regular maintenance—particularly timely timing belt replacement every 60,000–80,000 km, the use of good-quality oil, and careful attention to the fuel system—greatly improves its long-term reliability.
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 | 1991 cm3 |
|---|---|
| Number of cylinders | 4 |
| Bore (cylinder diameter) | 83 mm |
| Stroke length (piston move) | 92 mm |
| Compression ratio | 17.3 : 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. More service info |
| Timing belt change interval | 90,000 km (specified), 60,000 km (recommended) |
| 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. |
| Kia Optima 2005 II 2.0 CRDi oil type | 5W-30, 5W-40 |
| Oil capacity | 6.5 litres (6.9 quarts) More service info |
| Power | 112 - 150 HP ON 4000 RPM |
| Torque | 235 - 305 NM ON 1800 RPM |
| Engine manufacturer | Hyundai |
| Start of production (year) | 2001 |
| Duration of production | 11 years |
| Engine also used on | Hyundai Santa FE Kia Sportage Kia Ceed Hyundai Sonata Hyundai Tucson and 6 other models |
Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design. |
All Kia Optima sedan [2005 - 2010] modifications
| Modification | Engine | Power | Consumption | Gearbox |
|---|---|---|---|---|
|
Kia Optima 2005 II 2.0 i 16V
Most fuel efficient petrol version |
2.0 Petrol | 144 HP | 7.7 l/100km | Manual (5) |
| Kia Optima 2005 II 2.0 i 16V | 2.0 Petrol | 144 HP | 8.1 l/100km | Automatic (4) |
|
Kia Optima 2005 II 2.0 CRDi
Most fuel efficient diesel version |
2.0 Diesel | 140 HP | 6.0 l/100km | Manual (6) |
| Kia Optima 2005 II 2.0 CRDi | 2.0 Diesel | 140 HP | 7.3 l/100km | Automatic (5) |
|
Kia Optima 2005 II 2.7 i V6 24V
Most dynamic version - 100 km/h in 9.1 seconds |
2.7 Petrol | 188 HP | 9.2 l/100km | Automatic (5) |