The Toyota Sienta III 1.5 Hybrid E-CVT 7 Seat is a compact minivan primarily designed for the Asian market, particularly Indonesia and Japan. Introduced in August 2022, the third generation Sienta represents a significant evolution in design and technology, focusing on practicality, fuel efficiency, and family-oriented features. While not officially sold in the United States, the Sienta occupies a niche segment – a small, versatile, and economical people carrier – that is popular in densely populated urban areas. This generation builds upon the Sienta’s reputation for maximizing interior space within a relatively small footprint, offering seating for seven passengers in a comfortable and accessible configuration.
Toyota Sienta III: An Overview
The Sienta III is positioned as an affordable and efficient family vehicle. It distinguishes itself with its sliding rear doors, a feature that enhances accessibility in tight parking spaces. The hybrid powertrain, utilizing Toyota’s well-established Hybrid Synergy Drive technology, is central to its appeal, delivering impressive fuel economy and reduced emissions. The vehicle’s design emphasizes a modern aesthetic, with a focus on creating a spacious and inviting interior. The Sienta III is a key model in Toyota’s strategy to provide practical and environmentally conscious transportation solutions for growing families.
Engine & Performance
The Toyota Sienta III 1.5 Hybrid is powered by a 1.5-liter, inline-3 cylinder gasoline engine (model M15A-FXE) producing 91 horsepower at 5500 rpm and 120 Nm (88.51 lb.-ft.) of torque between 3800-4800 rpm. This engine is coupled with an electric motor that contributes an additional 80 horsepower and 141 Nm (104 lb.-ft.) of torque. The combined system output is 116 horsepower. Power is delivered to the front wheels via a continuously variable transmission (E-CVT). This configuration allows for seamless transitions between gasoline and electric power, optimizing fuel efficiency and providing a smooth driving experience. The weight-to-power ratio is 11.6 kg/Hp, and the weight-to-torque ratio is 11.3 kg/Nm. The engine utilizes a multi-port fuel injection system and benefits from Variable Valve Timing (VVT) for improved performance and efficiency. A Start & Stop system further contributes to fuel savings during city driving.
Design & Features
The Sienta III maintains the minivan body style, characterized by its boxy shape designed to maximize interior volume. It features five doors, including sliding rear doors that are a hallmark of the Sienta. The vehicle’s exterior design incorporates modern styling cues, with a prominent front grille and sleek headlights. Inside, the Sienta prioritizes practicality and comfort. The seven-seat configuration offers flexible seating arrangements, accommodating passengers of various sizes. The interior materials are durable and easy to clean, catering to the needs of families. While specific features vary depending on trim level, the Sienta III typically includes essential safety features such as ABS (Anti-lock Braking System). The vehicle’s compact dimensions make it easy to maneuver in urban environments, while its spacious interior provides ample room for passengers and cargo. The Sienta’s design philosophy centers around creating a functional and user-friendly vehicle for everyday use.
Technical Specifications
| Brand | Toyota |
| Model | Sienta |
| Generation | Sienta III |
| Type | 1.5 (116 Hp) Hybrid E-CVT 7 Seat |
| Start of production | August, 2022 |
| Powertrain Architecture | FHEV (Full Hybrid Electric Vehicle) |
| Body type | Minivan |
| Seats | 7 |
| Doors | 5 |
| Fuel consumption (urban) | 3.57-3.67 l/100 km (65.9 – 64.1 US mpg) |
| Fuel consumption (extra urban) | 3.63-3.69 l/100 km (64.8 – 63.7 US mpg) |
| Fuel consumption (combined) | 3.57-3.62 l/100 km (65.9 – 65 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 11.6 kg/Hp |
| Weight-to-torque ratio | 11.3 kg/Nm |
| Battery technology | Nickel-metal hydride (NiMH) |
| Electric motor power | 80 Hp |
| Electric motor Torque | 141 Nm (104 lb.-ft.) |
| Electric motor model/code | 1NM |
| Electric motor location | Integrated into the transmission |
| Electric motor type | Synchronous |
| System power | 116 Hp |
| Engine Power | 91 Hp @ 5500 rpm |
| Engine Torque | 120 Nm @ 3800-4800 rpm (88.51 lb.-ft. @ 3800-4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | M15A-FXE |
| Engine displacement | 1490 cm3 (90.93 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 80.5 mm (3.17 in.) |
| Piston Stroke | 97.6 mm (3.84 in.) |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | VVT |
| Kerb Weight | 1350-1370 kg (2976.24 – 3020.33 lbs.) |
| Max. weight | 1755 kg (3869.11 lbs.) |
| Max load | 385-405 kg (848.78 – 892.87 lbs.) |
| Fuel tank capacity | 40 l (10.57 US gal | 8.8 UK gal) |
| Length | 4260 mm (167.72 in.) |
| Width | 1695 mm (66.73 in.) |
| Height | 1695 mm (66.73 in.) |
| Wheelbase | 2750 mm (108.27 in.) |
| Front track | 1490 mm (58.66 in.) |
| Rear track | 1485 mm (58.46 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Minimum turning circle | 10 m (32.81 ft.) |
| Drivetrain Architecture | Front wheel drive. FHEV. ICE and electric motor drive front wheels. |
| Drive wheel | Front wheel drive |
| Number of gears | automatic transmission E-CVT |
| Front suspension | Independent type McPherson |
| Rear suspension | Torsion |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| 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 | 5.5J x 15 |
The Toyota Sienta III 1.5 Hybrid E-CVT 7 Seat represents a compelling option for families seeking a practical, fuel-efficient, and versatile vehicle. Its focus on maximizing space and minimizing environmental impact makes it a popular choice in its target markets.
