The Dacia Logan I 1.5 dCi, producing 86 horsepower, was a significant variant within the first generation Logan lineup, produced primarily between 2007 and 2008. Introduced as a budget-friendly option, the Logan aimed to provide practical transportation to a wider market, particularly in Eastern Europe and developing countries. This specific diesel variant offered a balance between fuel efficiency and acceptable performance, positioning itself as a popular choice for those seeking economical motoring. It was built on the Dacia/Renault X90 platform, also known as the Logan I, and represented a key step in Dacia’s resurgence as a major automotive player following its acquisition by Renault.
Technical Specifications
| Brand | Dacia |
| Model | Logan |
| Generation | Logan I |
| Type (Engine) | 1.5 dCi (86 Hp) |
| Start of production | 2007 |
| End of production | 2008 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (extra urban) | 4.2 l/100 km (56 US mpg, 67.3 UK mpg, 23.8 km/l) |
| Fuel consumption (combined) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l) |
| CO2 emissions | 120 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 13 sec |
| Acceleration 0 – 62 mph | 13 sec |
| Acceleration 0 – 60 mph | 12.4 sec |
| Maximum speed | 167 km/h (103.77 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 12.5 kg/Hp |
| Weight-to-torque ratio | 5.4 kg/Nm |
| Power | 86 Hp @ 3750 rpm |
| Torque | 200 Nm @ 1900 rpm (147.51 lb.-ft. @ 1900 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | K9K 796 |
| Engine displacement | 1461 cm3 (89.16 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 76 mm (2.99 in.) |
| Piston Stroke | 80.5 mm (3.17 in.) |
| Compression ratio | 17.9:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | SOHC |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Kerb Weight | 1075 kg (2369.97 lbs.) |
| Max. weight | 1610 kg (3549.44 lbs.) |
| Max load | 535 kg (1179.47 lbs.) |
| Trunk (boot) space (minimum) | 510 l (18.01 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Max. roof load | 80 kg (176.37 lbs.) |
| Permitted trailer load (with brakes) | 1100 kg (2425.08 lbs.) |
| Permitted trailer load (without brakes) | 575 kg (1267.66 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4247 mm (167.2 in.) |
| Width | 1740 mm (68.5 in.) |
| Height | 1534 mm (60.39 in.) |
| Wheelbase | 2630 mm (103.54 in.) |
| Front track | 1480 mm (58.27 in.) |
| Rear track | 1470 mm (57.87 in.) |
| Ride height (ground clearance) | 155 mm (6.1 in.) |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Coil spring, Torsion |
| Front brakes | Ventilated discs, 259 mm |
| Rear brakes | Drum, 203 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 185/65 R15 |
| Wheel rims size | 6J x 15 |
Powertrain & Engine Architecture
The heart of this Logan variant is the Renault-sourced K9K 796 1.5-liter inline-four diesel engine. This engine is a member of the K9K family, known for its robust design and fuel efficiency. The K9K 796 features a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder. Crucially, it employs a turbocharger with an intercooler to boost power output and improve torque delivery. The fuel injection system is a common rail direct injection system, providing precise fuel metering for optimal combustion and reduced emissions. The 86 horsepower and 200 Nm (147.51 lb-ft) of torque were considered adequate for the Logan’s weight class. The engine’s relatively high compression ratio of 17.9:1 is typical for diesel engines, contributing to its efficiency. The engine was paired with a five-speed manual transmission, the only transmission option available for this specific configuration in most markets.
Driving Characteristics
The 1.5 dCi 86 hp Logan offered a practical, if not particularly exciting, driving experience. Acceleration from 0-60 mph took around 12.4 seconds, and top speed was approximately 103.77 mph. The engine’s torque peak at 1900 rpm provided reasonable pulling power for everyday driving, making it suitable for navigating city streets and highways. However, the engine could feel strained when fully loaded or climbing steep hills. The five-speed manual transmission was well-matched to the engine’s characteristics, offering smooth gear changes. Compared to higher-output versions of the Logan, such as those with more powerful diesel engines or gasoline options, this variant prioritized fuel economy over outright performance. The suspension setup, tuned for comfort, provided a relatively soft ride, but handling was not particularly sporty.
Equipment & Trim Levels
The 1.5 dCi 86 hp Logan typically came with a basic level of equipment, reflecting its budget-oriented positioning. Standard features generally included power steering, central locking, and an adjustable steering column. Interior upholstery was typically cloth, and the dashboard featured a functional, if somewhat spartan, design. Optional extras could include air conditioning, power windows, and a radio/CD player. Trim levels varied depending on the market, but generally, this variant represented the entry-level or mid-range option within the Logan lineup. Safety features were also basic, typically including ABS brakes and driver/passenger airbags.
Chassis & Braking
The Logan I utilized a McPherson strut independent suspension setup at the front and a coil spring torsion beam suspension at the rear. This configuration provided a comfortable ride, but wasn’t designed for aggressive handling. The braking system consisted of ventilated discs at the front and drum brakes at the rear. ABS (Anti-lock Braking System) was standard, enhancing braking performance and safety. The Logan’s relatively lightweight construction helped to compensate for the modest braking power.
Market Reception & Comparison
The Dacia Logan I 1.5 dCi 86 hp was well-received in markets where affordability was a primary concern. Critics praised its fuel efficiency and practicality, but noted its lack of refinement and basic interior. Compared to other trims in the Logan lineup, this variant offered the best fuel economy, making it attractive to cost-conscious buyers. It was often compared to other budget-oriented compact cars, such as the Skoda Fabia and the Renault Clio, offering a larger interior and more practical cargo space at a similar price point. However, it generally lacked the build quality and features of more established competitors.
Legacy
The K9K engine family, including the K9K 796, proved to be remarkably durable and reliable. The 1.5 dCi Logan I remains a popular choice in the used car market, particularly in Eastern Europe and developing countries, due to its low running costs and relatively simple mechanical design. While maintenance is generally straightforward, common issues can include turbocharger wear and potential problems with the fuel injection system. Despite its age, the Logan I 1.5 dCi continues to provide affordable and dependable transportation for many owners, solidifying its place as a significant vehicle in the history of Dacia’s resurgence.


