The Kia Carens III 1.7 CRDi (115 hp) ISG 7-Seat, produced primarily for the European market from January 2016, represents a key variant within the third generation (UN) Carens lineup. Positioned as a fuel-efficient and practical family vehicle, this model aimed to offer seven-passenger capability with a focus on diesel economy. The Carens III, launched in 2013, was Kia’s attempt to establish a stronger foothold in the compact MPV segment, competing with vehicles like the Renault Scenic and Citroën C4 Picasso. This particular 1.7-liter diesel engine and six-speed manual transmission combination served as a mid-range offering, balancing affordability with acceptable performance and equipment levels.
Technical Specifications
| Brand | Kia |
| Model | Carens |
| Generation | Carens III |
| Type | 1.7 16V CRDi (115 Hp) ISG 7 Seat |
| Start of production | January, 2016 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | MPV |
| Seats | 7 |
| Doors | 5 |
| Fuel consumption (urban) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Fuel consumption (extra urban) | 4.1 l/100 km (57.4 US mpg, 68.9 UK mpg, 24.4 km/l) |
| Fuel consumption (combined) | 4.5 l/100 km (52.3 US mpg, 62.8 UK mpg, 22.2 km/l) |
| CO2 emissions | 117 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 | 193 km/h (119.92 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 13.1 kg/Hp, 76.4 Hp/tonne |
| Weight-to-torque ratio | 5.8 kg/Nm, 172.6 Nm/tonne |
| Power | 115 Hp @ 4000 rpm |
| Power per litre | 68.2 Hp/l |
| Torque | 260 Nm @ 1250-2750 rpm (191.77 lb.-ft. @ 1250-2750 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 | 1506-1631 kg (3320.16 – 3595.74 lbs.) |
| Max. weight | 2240 kg (4938.35 lbs.) |
| Max load | 609-734 kg (1342.62 – 1618.19 lbs.) |
| Trunk (boot) space – minimum | 492 l (17.37 cu. ft.) |
| Trunk (boot) space – maximum | 1650 l (58.27 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 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 | 6 gears, manual 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 16; 7.0J 17; 7.5J 18 |
Powertrain & Engine Architecture
The heart of this Carens variant is the U II / D4FD 1.7-liter inline-four cylinder diesel engine. This engine is part of Kia/Hyundai’s U-series of diesel engines, known for its relatively compact size and focus on fuel efficiency. It utilizes a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The engine is turbocharged with an intercooler, which helps to increase air density and boost power output. The DOHC (Double Overhead Camshaft) valvetrain, with four valves per cylinder, further enhances breathing and contributes to the engine’s power delivery. The engine’s 15.7:1 compression ratio is typical for a diesel engine, aiding in efficient combustion. The six-speed manual transmission was the standard offering, providing a good balance between fuel economy and driver control. The “ISG” designation indicates the inclusion of Kia’s Idle Stop & Go system, which automatically shuts off the engine when the vehicle is stationary to reduce fuel consumption and emissions.
Driving Characteristics
The 115 hp output and 260 Nm (192 lb-ft) of torque, available from a low 1250 rpm, provide adequate, though not exhilarating, performance. Acceleration from 0-60 mph takes around 12.4 seconds, and top speed is around 119 mph. The engine feels most comfortable in the mid-range, offering sufficient power for everyday driving and highway cruising. The six-speed manual transmission is well-matched to the engine’s characteristics, allowing drivers to keep the engine in its optimal power band. Compared to the higher-output 1.6L gasoline engine or the more powerful diesel options, this 1.7 CRDi prioritizes fuel economy over outright performance. The gear ratios are tuned for efficiency, meaning the engine can feel strained when pushed hard, especially when fully loaded with passengers and luggage.
Equipment & Trim Levels
The 1.7 CRDi 7-Seat typically came with a reasonable level of standard equipment. This included air conditioning, electric front and rear windows, a basic audio system with USB connectivity, and ABS brakes. Safety features such as airbags were standard. Higher trim levels, available as options, added features like alloy wheels, a touchscreen infotainment system with navigation, 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 luxury.
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. ABS (Anti-lock Braking System) is standard. The suspension is tuned for comfort rather than sporty handling, resulting in a slight degree of body roll during cornering. Stabilizer bars are present to help reduce body roll and improve stability.
Market Reception & Comparison
The Kia Carens III 1.7 CRDi was generally well-received by critics for its practicality, fuel efficiency, and competitive pricing. It was seen as a strong value proposition in the compact MPV segment. However, some reviewers noted that the engine could feel underpowered when fully loaded or driving uphill. Compared to the petrol variants, the 1.7 CRDi offered significantly better fuel economy, making it a popular choice for drivers covering long distances. Compared to other diesel options in the range, it represented an entry-level choice, offering a balance between cost and efficiency. Reliability reports suggest that the U II engine is generally robust, although regular maintenance is crucial for longevity.
Legacy
The Kia Carens III 1.7 CRDi remains a relatively common sight on used car markets. The U II engine has proven to be reasonably reliable, although like all diesel engines, it is susceptible to issues related to the diesel particulate filter (DPF) if not properly maintained. The ISG system can also require occasional attention. Overall, this variant offers a practical and economical option for families seeking a seven-seater MPV. Its fuel efficiency and relatively low running costs continue to make it an attractive option for budget-conscious buyers.
