The Opel Astra K Sports Tourer 1.4 ECOTEC (125 hp) ecoFLEX start&stop is a station wagon produced between 2015 and 2018. It’s a key variant within the Astra K series, Opel’s compact family car, designed to balance fuel efficiency, practicality, and reasonable performance. This model occupied a mid-range position in the Astra K Sports Tourer lineup, positioned below the more powerful diesel options and above the base 1.0-liter three-cylinder petrol engine. It was primarily marketed towards families and individuals seeking a versatile vehicle for everyday use with an emphasis on lower running costs.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra K Sports Tourer |
| Type (Engine) | 1.4 ECOTEC (125 Hp) ecoFLEX start&stop |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.2 – 6.3 l/100 km (37.9 – 37.3 US mpg, 45.6 – 44.8 UK mpg, 16.1 – 15.9 km/l) |
| Fuel consumption (extra urban) | 4.2 – 4.3 l/100 km (56 – 54.7 US mpg, 67.3 – 65.7 UK mpg, 23.8 – 23.3 km/l) |
| Fuel consumption (combined) | 4.9 – 5.1 l/100 km (48 – 46.1 US mpg, 57.6 – 55.4 UK mpg, 20.4 – 19.6 km/l) |
| CO2 emissions | 117 – 114 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.9 sec |
| Acceleration 0 – 62 mph | 9.9 sec |
| Acceleration 0 – 60 mph | 9.4 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 10 kg/Hp, 100.2 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 196.5 Nm/tonne |
| Power | 125 Hp @ 4000-5600 rpm |
| Power per litre | 89.3 Hp/l |
| Torque | 245 Nm @ 2000-3500 rpm (180.7 lb.-ft. @ 2000-3500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B14XFL |
| Engine displacement | 1399 cm3 (85.37 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 74 mm (2.91 in.) |
| Piston Stroke | 81.3 mm (3.2 in.) |
| Compression ratio | 10:1 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 5.1 l (5.39 US qt | 4.49 UK qt) |
| Kerb Weight | 1247 kg (2749.16 lbs.) |
| Max. weight | 1885 kg (4155.71 lbs.) |
| Max load | 638 kg (1406.55 lbs.) |
| Trunk (boot) space – minimum | 540 l (19.07 cu. ft.) |
| Trunk (boot) space – maximum | 1630 l (57.56 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%) | 1403 kg (3093.09 lbs.) |
| Permitted trailer load without brakes | 640 kg (1410.96 lbs.) |
| Length | 4702 mm (185.12 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 | 1499 mm (59.02 in.) |
| Wheelbase | 2662 mm (104.8 in.) |
| Front track | 1548 mm (60.94 in.) |
| Rear (Back) track | 1565 mm (61.61 in.) |
| Minimum turning circle | 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 |
| Tires size | 205/55 R16; 225/45 R17 |
| Wheel rims size | 6.5J x 16; 7.5J x 17 |
Powertrain & Engine Architecture
The Astra K Sports Tourer 1.4 ECOTEC’s powertrain centers around the B14XFL engine, a 1.4-liter turbocharged inline-four cylinder petrol engine. This engine is part of Opel’s ‘Small Diesel/Petrol’ (SDP) family, recognized for its compact design and efficiency. The B14XFL employs direct fuel injection, injecting fuel directly into the combustion chamber for improved combustion and reduced emissions. An intercooled turbocharger forces more air into the engine, increasing power output. The engine’s valvetrain features variable valve timing on both intake and exhaust sides, optimizing performance throughout the rev range. While a six-speed manual transmission was standard, a conventional torque converter automatic transmission was also offered. The automatic, while providing smooth shifts, typically resulted in slightly lower fuel economy compared to the manual.
Driving Characteristics
The 1.4 ECOTEC (125 hp) powertrain in the Astra K Sports Tourer delivers adequate performance for daily driving. Acceleration from 0-60 mph takes approximately 9.4 seconds, with a top speed of 127.38 mph. While not particularly sporty, the engine provides a usable 180.7 lb.-ft. of torque between 2000-3500 rpm, making it reasonably responsive in most driving scenarios. Compared to more powerful Astra K variants, like those with the 1.6-liter diesel, the 1.4 ECOTEC feels less energetic, especially when loaded or on inclines. However, it offers a smoother and quieter experience than the base 1.0-liter engine. The six-speed manual provides precise gear changes, while the optional automatic prioritizes convenience, though with a slight reduction in responsiveness.
Equipment & Trim Levels
The Astra K Sports Tourer 1.4 ECOTEC (125 hp) ecoFLEX start&stop generally included air conditioning, a touchscreen infotainment system with Bluetooth, power windows and mirrors, and a multi-function steering wheel as standard. Safety features like ABS, ESP (Electronic Stability Program), and multiple airbags were also standard. Higher trim levels added alloy wheels, an upgraded infotainment system with navigation, heated seats, and parking sensors. The ‘ecoFLEX’ designation signified fuel-saving technologies like start/stop functionality and aerodynamic improvements.
Chassis & Braking
The Astra K Sports Tourer utilizes a MacPherson strut front suspension and a multi-link rear suspension, providing a comfortable and controlled ride. The suspension is tuned for comfort rather than sporty handling. The braking system features disc brakes on all four wheels, offering sufficient stopping power. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) are standard, enhancing safety and stability. Steering is electric power-assisted rack and pinion, providing light and precise control.
Market Reception & Comparison
The Astra K Sports Tourer 1.4 ECOTEC (125 hp) was generally well-received by automotive critics as a practical and efficient family car. It was praised for its spacious interior, comfortable ride, and good fuel economy. Some critics noted the engine could feel underpowered when fully loaded or on hills. Compared to other engines in the Astra K lineup, the 1.4 ECOTEC offered a good balance between performance and fuel efficiency, making it a popular choice for those prioritizing practicality and running costs. The 1.6 Diesel offered better fuel economy at a higher price, while the more powerful petrol engines provided more performance but consumed more fuel.
Legacy
The Opel/Vauxhall Astra K series, including the 1.4 ECOTEC variant, was a successful model for the brand. The B14XFL engine, while having some known issues, has generally proven reliable with proper maintenance. Common concerns include potential turbocharger problems and issues with the direct injection system. In the used car market, the Astra K Sports Tourer 1.4 ECOTEC (125 hp) offers good value, providing a practical and efficient vehicle at an affordable price. Its relatively low running costs and spacious interior make it a popular choice for families and individuals seeking a reliable estate car.


