The Suzuki Ciaz (facelift 2018) 1.5i, producing 105 horsepower with an automatic transmission, represents a significant iteration of Suzuki’s compact sedan offering. Introduced in 2018, this variant was positioned as a mainstream, comfort-oriented option within the Ciaz lineup, appealing to buyers prioritizing ease of use and fuel efficiency over outright performance. It builds upon the foundation of the Ciaz, which itself is based on a stretched version of Suzuki’s Heartect platform, designed to balance weight reduction with structural rigidity. The facelift brought styling updates and refinements to the existing model, enhancing its market appeal.
Powertrain & Engine Architecture
At the heart of the 2018 Ciaz 1.5i Automatic lies the K15B engine, a 1.5-liter inline-four cylinder gasoline engine. This engine, designated as a naturally aspirated powerplant, utilizes a multi-port fuel injection system to deliver fuel to the cylinders. The K15B boasts a cylinder bore of 74mm and a piston stroke of 85mm, resulting in a displacement of 1462 cm³ (89.22 cubic inches). The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for improved efficiency and power output. The engine is transversely mounted in the front of the vehicle.
The 105 hp is achieved at 6000 rpm, while peak torque of 138 Nm (101.78 lb-ft) is delivered at 4400 rpm. This engine is paired with a four-speed automatic transmission. While not the most modern transmission in terms of gear count, it was chosen for its reliability and cost-effectiveness. The transmission’s gear ratios are tuned for smooth, everyday driving, prioritizing fuel economy and comfortable cruising rather than aggressive acceleration. The automatic transmission is electronically controlled, offering a ‘Drive’ and ‘Low’ gear selection.
Engine Oil Specifications
The K15B engine requires an engine oil capacity of 3.1 liters (3.28 US quarts or 2.73 UK quarts). Specific oil specifications should be verified in the vehicle’s owner’s manual, but generally, a modern synthetic or semi-synthetic oil meeting API SN or ILSAC GF-5 standards is recommended.
Driving Characteristics
The 2018 Ciaz 1.5i Automatic delivers a comfortable and predictable driving experience. The four-speed automatic transmission, while lacking the responsiveness of more modern units, provides smooth gear changes. Acceleration is adequate for typical urban and highway driving, but it’s not a particularly sporty vehicle. The engine’s torque curve is relatively flat, providing usable power across a broad range of engine speeds. Compared to a manual transmission equipped Ciaz, the automatic version sacrifices some responsiveness and fuel efficiency, but gains significantly in ease of use, particularly in stop-and-go traffic. The power-to-weight ratio, with a maximum vehicle weight of 1530 kg (3373.07 lbs), results in a 0-60 mph time estimated to be around 11-12 seconds.
The steering is light and easy, making it maneuverable in tight spaces. The suspension is tuned for comfort, absorbing bumps and imperfections in the road surface effectively. However, this does result in some body roll during cornering. Overall, the driving experience is geared towards practicality and comfort rather than performance.
Equipment & Trim Levels
The 2018 Ciaz 1.5i Automatic typically came equipped with a range of standard features designed to enhance comfort and convenience. These generally included air conditioning, power windows, power steering, central locking, and an audio system with USB connectivity. Safety features such as ABS (Anti-lock Braking System) were standard. Interior upholstery was typically cloth, with a straightforward dashboard layout. Higher trim levels, available as optional upgrades, could include features such as alloy wheels, a touchscreen infotainment system, rear parking sensors, and a reverse camera. Specific trim levels and available options varied depending on the regional market.
Chassis & Braking
The Ciaz utilizes an independent McPherson strut suspension system at the front, providing a good balance of ride comfort and handling. The rear suspension employs a torsion beam setup, which is a cost-effective and space-efficient solution. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are drums. This combination is typical for vehicles in this weight class and price range. Tire sizes varied depending on the trim level, with 185/65 R15 and 195/55 R16 being common options. Wheel rim sizes were correspondingly 15 and 16 inches.
Market Reception & Comparison
The 2018 Suzuki Ciaz 1.5i Automatic was generally well-received by critics as a practical and affordable compact sedan. Its fuel economy, rated at 4.93 l/100 km (47.7 US mpg, 57.3 UK mpg, 20.3 km/l), was a significant selling point. Compared to other trims in the Ciaz lineup, the 1.5i Automatic offered a more accessible price point and a more relaxed driving experience. However, it lacked the performance of the higher-output engine options. Competitors in the same segment included the Honda City, Toyota Vios, and Hyundai Accent. The Ciaz often stood out for its spacious interior and competitive pricing.
Reliability reports generally indicated that the K15B engine and the four-speed automatic transmission were relatively reliable, although regular maintenance was crucial. Some owners reported minor issues with the infotainment system and certain interior trim pieces.
Technical Specifications
| Brand | Suzuki |
| Model | Ciaz (facelift 2018) |
| Type | 1.5i (105 Hp) Automatic |
| Start of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (combined) | 4.93 l/100 km (47.7 US mpg, 57.3 UK mpg, 20.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Power | 105 Hp @ 6000 rpm |
| Torque | 138 Nm @ 4400 rpm (101.78 lb.-ft. @ 4400 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | K15B |
| Engine displacement | 1462 cm³ (89.22 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 74 mm (2.91 in.) |
| Piston Stroke | 85 mm (3.35 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Engine oil capacity | 3.1 l (3.28 US qt | 2.73 UK qt) |
| Max. weight | 1530 kg (3373.07 lbs.) |
| Trunk (boot) space (minimum) | 510 l (18.01 cu. ft.) |
| Fuel tank capacity | 43 l (11.36 US gal | 9.46 UK gal) |
| Length | 4490 mm (176.77 in.) |
| Width | 1730 mm (68.11 in.) |
| Height | 1485 mm (58.46 in.) |
| Wheelbase | 2650 mm (104.33 in.) |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drivetrain Architecture | Front wheel drive, Internal Combustion engine |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Torsion |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Tires size | 185/65 R15; 195/55 R16 |
| Wheel rims size | 15; 16 |
Legacy
The Suzuki Ciaz 1.5i Automatic, while not a groundbreaking vehicle, established itself as a reliable and affordable option in the compact sedan segment. The K15B engine, in particular, proved to be a durable and relatively fuel-efficient powerplant. In the used car market, these models are often sought after for their practicality and low running costs. While the four-speed automatic transmission is dated by today’s standards, it has proven to be robust and requires minimal maintenance. The Ciaz, and this variant specifically, contributed to Suzuki’s reputation for building dependable and value-oriented vehicles.



