The Opel Astra K (facelift, produced from August 2019 to October 2021) 1.2 Turbo 110 hp variant represented an entry-level to mid-range offering within the broader Astra K lineup. Positioned as a fuel-efficient and accessible option, it catered to buyers prioritizing practicality and lower running costs. This version of the Astra K, built on the GM/Opel’s flexible platform, aimed to compete in the highly contested European compact hatchback segment. The facelift brought styling updates and revised technology, enhancing the Astra’s appeal. This particular engine and transmission combination was a popular choice for those seeking a balance between affordability and usability.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra K (facelift 2019) |
| Type (Engine) | 1.2 Turbo (110 Hp) |
| Start of production | August, 2019 |
| End of production | October, 2021 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.3-5.4 l/100 km (44.4 – 43.6 US mpg, 53.3 – 52.3 UK mpg, 18.9 – 18.5 km/l) |
| Fuel consumption (extra urban) | 3.8 l/100 km (61.9 US mpg, 74.3 UK mpg, 26.3 km/l) |
| Fuel consumption (combined) | 4.3-4.4 l/100 km (54.7 – 53.5 US mpg, 65.7 – 64.2 UK mpg, 23.3 – 22.7 km/l) |
| CO2 emissions | 99-101 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.4 sec |
| Acceleration 0 – 62 mph | 10.4 sec |
| Acceleration 0 – 60 mph | 9.9 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 11 kg/Hp, 91.3 Hp/tonne |
| Weight-to-torque ratio | 6.2 kg/Nm, 161.8 Nm/tonne |
| Power | 110 Hp @ 4500 rpm |
| Power per litre | 91.7 Hp/l |
| Torque | 195 Nm @ 2000-3500 rpm (143.82 lb.-ft. @ 2000-3500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | F12SHL |
| Engine displacement | 1199 cm3 (73.17 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 75 mm (2.95 in.) |
| Piston Stroke | 90.5 mm (3.56 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 5.4 l (5.71 US qt | 4.75 UK qt) |
| Kerb Weight | 1205 kg (2656.57 lbs.) |
| Max. weight | 1805 kg (3979.34 lbs.) |
| Max load | 600 kg (1322.77 lbs.) |
| Trunk (boot) space – minimum | 370 l (13.07 cu. ft.) |
| Trunk (boot) space – maximum | 1210 l (42.73 cu. ft.) |
| Fuel tank capacity | 48 l (12.68 US gal | 10.56 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1220 kg (2689.64 lbs.) |
| Permitted trailer load without brakes | 620 kg (1366.87 lbs.) |
| Length | 4370 mm (172.05 in.) |
| Width | 1809 mm (71.22 in.) |
| Width with mirrors folded | 1871 mm (73.66 in.) |
| Width including mirrors | 2042 mm (80.39 in.) |
| Height | 1485 mm (58.46 in.) |
| Wheelbase | 2662 mm (104.8 in.) |
| Front track | 1548 mm (60.94 in.) |
| Rear (Back) track | 1565 mm (61.61 in.) |
| Front overhang | 960 mm (37.8 in.) |
| Rear overhang | 748 mm (29.45 in.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle (turning diameter) | 11.05 m (36.25 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 brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 195/65 R15; 205/65 R16; 225/45 R17 |
| Wheel rims size | 6.5J x 15; 6.5J x 16; 7J x 16; 7.5J x 17 |
Powertrain & Engine Architecture
The heart of this Astra K variant is the F12SHL, a 1.2-liter turbocharged three-cylinder gasoline engine. This engine is part of Opel/Vauxhall’s Small Engine Family (SEF), designed for efficiency and modularity. The F12SHL utilizes direct fuel injection, delivering fuel directly into the combustion chamber for improved combustion efficiency and reduced emissions. It also features a single-scroll turbocharger with an intercooler, enhancing power output. The engine’s aluminum block and cylinder head contribute to weight reduction. The engine produces 110 horsepower at 4500 rpm and 195 Nm (143.82 lb-ft) of torque between 2000 and 3500 rpm. This torque curve provides decent responsiveness for everyday driving. The engine is paired with a six-speed manual transmission, which was the standard offering for this trim level. The transmission’s gear ratios are tuned for a balance of fuel economy and acceleration.
Driving Characteristics
The 1.2 Turbo 110 hp Astra K offers a comfortable and practical driving experience. While not particularly sporty, it provides adequate performance for typical commuting and highway driving. Acceleration from 0-60 mph takes around 9.9 seconds, and the top speed is 200 km/h (124 mph). The turbocharger provides a noticeable boost in power during acceleration, but there is some turbo lag at lower engine speeds. The six-speed manual transmission allows for precise gear selection, and the gear ratios are well-matched to the engine’s torque curve. Compared to higher-output Astra K variants (like those with the 1.4 Turbo engine), this version feels less eager to accelerate, but it offers better fuel economy. The suspension is tuned for comfort, providing a smooth ride over most road surfaces. Steering is light and precise, making it easy to maneuver in urban environments.
Equipment & Trim Levels
The 1.2 Turbo 110 hp Astra K typically came with a reasonable level of standard equipment. This included air conditioning, power windows, power mirrors, a touchscreen infotainment system with Bluetooth connectivity, and a suite of safety features such as ABS, ESP, and multiple airbags. Higher trim levels offered additional features such as alloy wheels, a more advanced infotainment system with navigation, heated seats, and parking sensors. Interior upholstery was typically cloth, with options for upgraded materials on higher trims. The dashboard layout was clean and modern, with a focus on ergonomics.
Chassis & Braking
The Astra K utilizes a MacPherson strut front suspension and a torsion beam rear suspension. This setup provides a good balance of ride comfort and handling. The front brakes are ventilated discs, while the rear brakes are solid discs. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) are standard features, enhancing safety and stability. The steering system is an electric power steering system, providing light and precise steering feel. The chassis is designed to be lightweight, contributing to improved fuel efficiency and handling.
Market Reception & Comparison
The Astra K 1.2 Turbo 110 hp was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and reasonable price. However, some critics noted that the engine could feel underpowered at times, especially when fully loaded or driving uphill. Compared to other trims in the Astra K lineup, this version offered the best fuel economy but the least amount of performance. It competed with other compact hatchbacks such as the Volkswagen Golf, Ford Focus, and Peugeot 308.
Legacy
The 1.2 Turbo engine proved to be a reliable unit in the Astra K, with relatively few reported issues. The powertrain is generally considered durable and capable of handling high mileage with proper maintenance. In the used car market, the Astra K 1.2 Turbo 110 hp remains a popular choice for buyers seeking an affordable and fuel-efficient compact hatchback. Its combination of practicality, comfort, and reliability makes it a sensible option for everyday driving. The engine’s relatively simple design also contributes to lower maintenance costs compared to more complex powertrains.
