The Kia Optima II (facelift, produced from 2008 to 2010) 2.0 CRDi variant, delivering 150 horsepower, represented a significant offering in the mid-size sedan segment. Positioned as a fuel-efficient and practical choice, this model aimed to broaden the Optima’s appeal beyond the base trims. It was a key component of Kia’s efforts to establish itself as a mainstream automotive brand, particularly in European and Asian markets, offering a diesel alternative to gasoline-powered competitors. This specific configuration utilized a six-speed manual transmission, providing a balance between economy and driver engagement.
Technical Specifications
| Brand | Kia |
| Model | Optima |
| Generation | Optima II (facelift 2008) |
| Type (Engine) | 2.0 CRDi (150 Hp) |
| Start of production | 2008 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l) |
| Fuel consumption (extra urban) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| Fuel consumption (combined) | 6 l/100 km (39.2 US mpg, 47.1 UK mpg, 16.7 km/l) |
| CO2 emissions | 158 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.3 sec |
| Acceleration 0 – 62 mph | 10.3 sec |
| Acceleration 0 – 60 mph | 9.8 sec |
| Maximum speed | 201 km/h (124.9 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 10.2 kg/Hp, 98.2 Hp/tonne |
| Weight-to-torque ratio | 5 kg/Nm, 199.6 Nm/tonne |
| Power | 150 Hp @ 3800 rpm |
| Power per litre | 75.3 Hp/l |
| Torque | 305 Nm @ 1800-2500 rpm (224.96 lb.-ft. @ 1800-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | D4EA |
| Engine displacement | 1991 cm3 (121.5 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 17.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.9 l (6.23 US qt | 5.19 UK qt) |
| Coolant | 8.1 l (8.56 US qt | 7.13 UK qt) |
| Kerb Weight | 1528 kg (3368.66 lbs.) |
| Max. weight | 2045 kg (4508.45 lbs.) |
| Max load | 517 kg (1139.79 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 816 l (28.82 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Max. roof load | 80 kg (176.37 lbs.) |
| Permitted trailer load with brakes (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4800 mm (188.98 in.) |
| Width | 1805 mm (71.06 in.) |
| Height | 1480 mm (58.27 in.) |
| Wheelbase | 2720 mm (107.09 in.) |
| Front track | 1560 mm (61.42 in.) |
| Rear (Back) track | 1550 mm (61.02 in.) |
| Minimum turning circle | 11.8 m (38.71 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 205/60 R16 |
| Wheel rims size | 16 |
INTRODUCTION
The Kia Optima II, particularly the facelifted version launched in 2008, represented a significant step forward for the Korean automaker. Building upon the original Optima (launched in 2000), the facelift brought revised styling, improved interior materials, and updated engine options. The 2.0 CRDi 150 hp variant, coupled with a six-speed manual transmission, was a popular choice in Europe and Asia, offering a compelling blend of fuel efficiency, reasonable performance, and practicality. It slotted into the middle of the Optima II range, offering more power and refinement than the base gasoline engines, but remaining more affordable than the higher-specification trims.
Powertrain & Engine Architecture
At the heart of the Optima 2.0 CRDi was the D4EA engine, a 1991cc inline-four cylinder diesel. This engine utilized a second-generation common-rail direct injection system, delivering fuel at extremely high pressure for improved combustion efficiency and reduced emissions. The engine featured a turbocharger with an intercooler, boosting power output to 150 horsepower at 3800 rpm and 305 Nm (224.96 lb.-ft.) of torque between 1800 and 2500 rpm. The DOHC valvetrain, with four valves per cylinder, further enhanced breathing and performance. The six-speed manual transmission provided precise gear changes and contributed to the car’s overall efficiency. The transmission ratios were geared towards maximizing fuel economy while still providing adequate acceleration.
Driving Characteristics
The 2.0 CRDi Optima with the manual transmission offered a surprisingly engaging driving experience. While not a sports sedan, the engine’s ample torque made it feel responsive in everyday driving situations. Acceleration from 0-60 mph took around 9.8 seconds, and top speed was rated at 201 km/h (124.9 mph). The six-speed gearbox allowed drivers to keep the engine in its optimal power band, resulting in brisk acceleration when needed. Compared to the gasoline-powered Optimas, the diesel offered significantly more low-end torque, making it easier to navigate city traffic and overtake on the highway. Compared to higher-output diesel variants (if available in certain markets), this 150 hp version prioritized fuel economy over outright performance.
Equipment & Trim Levels
The 2.0 CRDi Optima typically came equipped with a reasonable level of standard features. These included air conditioning, power windows, central locking, and an audio system with CD player. Higher trim levels added features such as alloy wheels, a sunroof, leather upholstery, and a more advanced audio system. Safety features included ABS brakes, front airbags, and seatbelt pretensioners. Optional extras often included parking sensors, a navigation system, and heated seats. Interior upholstery was typically cloth, with higher trims offering leather options. The dashboard layout was functional and straightforward, with a focus on ease of use.
Chassis & Braking
The Optima II utilized a front-wheel-drive layout with an independent McPherson strut suspension at the front and an independent multi-link suspension at the rear. This setup provided a comfortable ride and decent handling characteristics. The front brakes were ventilated discs, while the rear brakes were solid discs, providing adequate stopping power for the vehicle’s weight. An anti-lock braking system (ABS) was standard, enhancing safety during emergency braking situations. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Kia Optima II 2.0 CRDi was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and spacious interior. The diesel engine was noted for its refinement and strong torque output. However, some critics pointed out that the interior materials weren’t quite as premium as those found in some of its competitors. Compared to gasoline-powered Optimas, the 2.0 CRDi offered significantly better fuel economy, making it a popular choice for drivers who covered long distances. Compared to other diesel-powered sedans in its class, the Optima offered a competitive price point and a generous warranty.
Legacy
The Kia Optima II 2.0 CRDi has proven to be a relatively reliable vehicle in the used car market. The D4EA engine is known for its durability, and with regular maintenance, it can provide many years of trouble-free service. Common issues are typically related to wear and tear on suspension components and the occasional failure of sensors. Today, these Optimas represent a good value proposition for buyers seeking an affordable and fuel-efficient mid-size sedan. The 2.0 CRDi engine’s longevity and relatively low maintenance costs make it a practical choice for those looking for a dependable used car.
