The Daihatsu Sirion (M2) 1.0 i 12V, producing 69 horsepower, was a key model in Daihatsu’s European and Asian lineup from 2005 to 2015. Positioned as an entry-level subcompact hatchback, it offered affordable transportation with a focus on fuel efficiency. The M2 generation Sirion represented a significant step forward in design and refinement compared to its predecessor, aiming to appeal to a broader customer base seeking a practical and economical city car. It shared its platform with the Toyota Passo/Daihatsu Boon, reflecting a collaborative engineering effort between the two manufacturers.
Technical Specifications
| Brand | Daihatsu |
| Model | Sirion |
| Generation | Sirion (M2) |
| Type (Engine) | 1.0 i 12V (69 Hp) |
| Start of production | 2005 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.1 l/100 km (38.6 US mpg) |
| Fuel consumption (extra urban) | 4.4 l/100 km (53.5 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 13.5 sec |
| Acceleration 0 – 62 mph | 13.5 sec |
| Acceleration 0 – 60 mph | 12.8 sec |
| Maximum speed | 160 km/h (99.42 mph) |
| Weight-to-power ratio | 12.9 kg/Hp |
| Weight-to-torque ratio | 9.5 kg/Nm |
| Power | 69 Hp @ 6000 rpm |
| Power per litre | 69.1 Hp/l |
| Torque | 94 Nm @ 3600 rpm (69.33 lb.-ft. @ 3600 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 1KR-FE |
| Engine displacement | 998 cm3 (60.9 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 71 mm (2.8 in.) |
| Piston Stroke | 84 mm (3.31 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 3.1 l (3.28 US qt | 2.73 UK qt) |
| Coolant capacity | 3.9 l (4.12 US qt | 3.43 UK qt) |
| Kerb Weight | 890 kg (1962.11 lbs.) |
| Max. weight | 1390 kg (3064.43 lbs.) |
| Max load | 500 kg (1102.31 lbs.) |
| Trunk (boot) space – minimum | 225 l (7.95 cu. ft.) |
| Trunk (boot) space – maximum | 630 l (22.25 cu. ft.) |
| Fuel tank capacity | 40 l (10.57 US gal | 8.8 UK gal) |
| Length | 3600 mm (141.73 in.) |
| Width | 1655 mm (65.16 in.) |
| Height | 1550 mm (61.02 in.) |
| Wheelbase | 2430 mm (95.67 in.) |
| Front track | 1470 mm (57.87 in.) |
| Rear track | 1475 mm (58.07 in.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Spring Strut |
| Rear suspension | Coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 155/80 R13 |
Powertrain & Engine Architecture
The heart of the Sirion 1.0 i 12V is the Daihatsu 1KR-FE engine, a 998cc inline-three cylinder petrol engine. This engine is notable for its compact size and lightweight construction, contributing to the Sirion’s overall efficiency. The 1KR-FE utilizes a multi-point fuel injection system and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration helps optimize airflow and combustion efficiency. The engine’s 10.5:1 compression ratio further aids in extracting maximum power from the small displacement. The five-speed manual transmission was the standard offering, designed to maximize fuel economy and provide adequate acceleration for urban driving. The transmission’s gear ratios were tuned for low-end torque, prioritizing drivability in city traffic.
Driving Characteristics
The 69 horsepower and 69 lb-ft of torque produced by the 1.0-liter engine resulted in modest, but adequate, performance. Acceleration from 0-60 mph took around 12.8 seconds, and top speed was limited to approximately 99 mph. The Sirion 1.0 i 12V wasn’t designed for spirited driving; instead, it excelled in urban environments. The five-speed manual transmission allowed drivers to keep the engine in its optimal power band, but required frequent shifting for overtaking maneuvers. Compared to higher-spec Sirions equipped with larger engines, the 1.0-liter model felt noticeably slower, particularly when fully loaded with passengers and cargo. However, its lightweight construction and efficient engine contributed to excellent fuel economy.
Equipment & Trim Levels
The 1.0 i 12V Sirion typically came with a basic, yet functional, equipment list. Standard features generally included power steering, central locking, electric front windows, and a basic audio system. Air conditioning was often an optional extra. Interior upholstery was typically cloth, with a simple dashboard layout. Higher trim levels, if available, might have added features like alloy wheels, a more sophisticated audio system, and upgraded interior trim. Safety features were relatively basic, typically including driver and passenger airbags and ABS brakes on some models.
Chassis & Braking
The Sirion M2 utilized a front-engine, front-wheel-drive layout. The front suspension consisted of MacPherson strut springs, while the rear employed a coil spring setup. This suspension configuration provided a comfortable ride quality, particularly on smooth roads. The braking system featured disc brakes on the front wheels and drum brakes on the rear. While adequate for everyday driving, the braking performance wasn’t particularly strong, especially under heavy load. The electric power steering provided light and easy steering, making it ideal for maneuvering in tight city streets.
Market Reception & Comparison
The Daihatsu Sirion 1.0 i 12V was generally well-received as an affordable and economical city car. Critics praised its fuel efficiency and compact size, making it easy to park and maneuver in urban environments. However, the engine’s lack of power was a common criticism, particularly when compared to competitors offering larger engines. Compared to other subcompact hatchbacks available at the time, such as the Fiat Panda or the Hyundai i10, the Sirion offered a competitive price point and a relatively spacious interior. Its fuel economy was generally on par with, or slightly better than, many of its rivals.
Legacy
The Daihatsu Sirion 1.0 i 12V has proven to be a relatively reliable vehicle, with the 1KR-FE engine known for its durability. Common maintenance issues are typically minor, such as wear and tear on suspension components and brake pads. On the used car market, these Sirions are often sought after by first-time car buyers or those looking for an inexpensive and fuel-efficient runabout. While not a performance car, the Sirion 1.0 i 12V remains a practical and economical choice for those seeking basic transportation. Its simplicity and reliability have contributed to its enduring appeal in the used car market.
