The Kia Carens III 1.7 CRDI (141 hp) Automatic ISG represents a specific configuration within the third generation of the Kia Carens, a compact multi-purpose vehicle (MPV) produced from 2013 to 2018. This variant, primarily available from January 2016, aimed to balance fuel efficiency with the convenience of an automatic transmission, targeting families and drivers seeking a practical and economical vehicle. The “ISG” designation denotes the Idle Stop & Go system, a fuel-saving technology that automatically shuts off the engine when the vehicle is stationary. This model played a role in Kia’s expansion within the European and Asian markets, offering a competitive alternative to established MPV offerings.
Technical Specifications
| Brand | Kia |
| Model | Carens |
| Generation | Carens III |
| Type (Engine) | 1.7 CRDI (141 Hp) Automatic ISG |
| Start of production | January, 2016 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | MPV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (extra urban) | 4.5 l/100 km (52.3 US mpg, 62.8 UK mpg, 22.2 km/l) |
| Fuel consumption (combined) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| CO2 emissions | 127 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.3 sec |
| Acceleration 0 – 62 mph | 11.3 sec |
| Acceleration 0 – 60 mph | 10.7 sec |
| Maximum speed | 189 km/h (117.44 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 10.7 kg/Hp, 93.3 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 224.9 Nm/tonne |
| Power | 141 Hp @ 4000 rpm |
| Power per litre | 83.7 Hp/l |
| Torque | 340 Nm @ 1750-2500 rpm (250.77 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | U II / D4FD |
| Engine displacement | 1685 cm3 (102.83 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 77.2 mm (3.04 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 15.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.3 l (5.6 US qt | 4.66 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1512-1636 kg (3333.39 – 3606.76 lbs.) |
| Max. weight | 2130 kg (4695.85 lbs.) |
| Max load | 494-618 kg (1089.08 – 1362.46 lbs.) |
| Trunk (boot) space – minimum | 536 l (18.93 cu. ft.) |
| Trunk (boot) space – maximum | 1694 l (59.82 cu. ft.) |
| Fuel tank capacity | 58 l (15.32 US gal | 12.76 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4525 mm (178.15 in.) |
| Width | 1805 mm (71.06 in.) |
| Height | 1610 mm (63.39 in.) |
| Wheelbase | 2750 mm (108.27 in.) |
| Front track | 1563-1573 mm (61.54 – 61.93 in.) |
| Rear (Back) track | 1576-1586 mm (62.05 – 62.44 in.) |
| Front overhang | 940 mm (37.01 in.) |
| Rear overhang | 835 mm (32.87 in.) |
| Minimum turning circle (turning diameter) | 11.0 m (36.09 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 | 7 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/55 R16; 225/45 R17; 225/45 R18; |
| Wheel rims size | 6.5J x 16; 7J x 17; 7.5J x 18 |
Powertrain & Engine Architecture
The heart of the Carens III 1.7 CRDI Automatic ISG is the U II / D4FD engine, a 1.7-liter inline-four cylinder diesel engine. This engine utilizes a common rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure for optimized combustion. The engine is turbocharged and intercooled, enhancing power output and efficiency. The DOHC (Double Overhead Camshaft) valvetrain manages the intake and exhaust valves, contributing to improved engine breathing. The engine’s 15.7:1 compression ratio is typical for diesel engines, aiding in efficient combustion. The automatic transmission is a conventional 7-speed unit, designed to provide smooth gear changes and enhance driving comfort. The ISG system, a key feature, automatically cuts the engine when idling (e.g., at traffic lights) and restarts it instantly when the driver depresses the clutch or brake pedal, reducing fuel consumption and emissions.
Driving Characteristics
The 141 hp output and 340 Nm of torque, available from 1750-2500 rpm, provide adequate performance for everyday driving. However, compared to higher-powered variants of the Carens III, such as those equipped with the 1.6L gasoline engine or the more powerful diesel options, the 1.7 CRDI Automatic feels less responsive, particularly during overtaking maneuvers. The automatic transmission, while convenient, can sometimes exhibit hesitant shifts, especially when accelerating quickly. The gear ratios are tuned for fuel economy rather than outright performance. The relatively low horsepower-to-weight ratio (10.7 kg/Hp) contributes to a more relaxed driving experience, prioritizing comfort and efficiency over sporty handling.
Equipment & Trim Levels
The 1.7 CRDI Automatic ISG trim typically sat in the mid-range of the Carens III lineup. Standard equipment generally included air conditioning, power windows, central locking, a basic audio system with USB connectivity, and ABS brakes. Higher trim levels added features like alloy wheels, a touchscreen infotainment system, rear parking sensors, and climate control. Interior upholstery was typically cloth, with options for leather upgrades. The dashboard layout was functional and straightforward, prioritizing usability over aesthetic flair.
Chassis & Braking
The Carens III utilizes a McPherson strut front suspension and a semi-independent coil spring rear suspension. This setup provides a comfortable ride quality, suitable for family transportation. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are solid discs. The electric power steering provides light and easy steering, making it convenient for urban driving. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Kia Carens III 1.7 CRDI Automatic ISG was generally well-received by critics as a practical and economical MPV. Its fuel efficiency was a major selling point, and the automatic transmission appealed to drivers seeking convenience. However, some reviewers noted the engine’s lack of outright power and the occasional hesitation of the automatic gearbox. Compared to the 1.6L gasoline version, the 1.7 CRDI offered significantly better fuel economy and torque, making it more suitable for long journeys and carrying heavy loads. Compared to higher-powered diesel variants, it represented a more affordable entry point into the Carens range, albeit with a compromise in performance.
Legacy
The U II / D4FD engine, while generally reliable, is known to require regular maintenance, particularly regarding the diesel particulate filter (DPF). Proper servicing and the use of high-quality diesel fuel are crucial to prevent DPF issues. The automatic transmission, if maintained correctly, is also considered reasonably durable. In the used car market, the Carens III 1.7 CRDI Automatic ISG represents a good value proposition for buyers seeking an affordable and practical MPV. Its fuel efficiency and spacious interior continue to make it a popular choice for families.
