The Opel Astra K Sports Tourer 1.6 CDTi (110 hp) ecoFLEX start&stop, produced from 2015 to 2018, represents a key variant within the Astra K generation, Opel’s compact estate car. Positioned as a fuel-efficient option within the Sports Tourer (wagon) body style, it aimed to balance practicality with lower running costs. This model was primarily marketed in Europe, where diesel engines and station wagons held significant market share, offering a compelling alternative to petrol-powered variants and SUVs. It was built on the General Motors’ Delta platform, known internally as 1HX0, which also underpinned other vehicles like the Chevrolet Cruze and Buick Verano.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra K Sports Tourer |
| Type (Engine) | 1.6 CDTi (110 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) | 4 l/100 km (58.8 US mpg, 70.6 UK mpg, 25 km/l) |
| Fuel consumption (extra urban) | 3.2 – 3.3 l/100 km (73.5 – 71.3 US mpg, 88.3 – 85.6 UK mpg, 31.3 – 30.3 km/l) |
| Fuel consumption (combined) | 3.5 – 3.6 l/100 km (67.2 – 65.3 US mpg, 80.7 – 78.5 UK mpg, 28.6 – 27.8 km/l) |
| CO2 emissions | 95 – 92 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.4 sec |
| Acceleration 0 – 62 mph | 11.4 sec |
| Acceleration 0 – 60 mph | 10.8 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 12.1 kg/Hp, 82.8 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 225.9 Nm/tonne |
| Power | 110 Hp @ 3500 rpm |
| Power per litre | 68.8 Hp/l |
| Torque | 300 Nm @ 1750-2000 rpm (221.27 lb.-ft. @ 1750-2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B16DTE |
| Engine displacement | 1598 cm3 (97.52 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79.7 mm (3.14 in.) |
| Piston Stroke | 80.1 mm (3.15 in.) |
| Compression ratio | 16:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Kerb Weight | 1328 kg (2927.74 lbs.) |
| Max. weight | 1940 kg (4276.97 lbs.) |
| Max load | 612 kg (1349.23 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 | 680 kg (1499.14 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 | Front wheel drive |
| 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 heart of this Astra variant is the 1.6-liter (1598 cc) four-cylinder diesel engine, designated B16DTE. This engine belongs to Opel’s ‘Whisper Diesel’ family, known for its relatively quiet operation and fuel efficiency. It features a common-rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The engine is turbocharged and intercooled, enhancing power output and torque. The turbocharger provides increased air intake, while the intercooler cools the compressed air, further improving efficiency. The engine produces 110 horsepower at 3500 rpm and a substantial 300 Nm (221 lb-ft) of torque between 1750 and 2000 rpm. This torque curve provides good low-end responsiveness, making it suitable for everyday driving and hauling loads. The engine also incorporates a Start&Stop system, automatically shutting off the engine when the vehicle is stationary to conserve fuel and reduce emissions. The engine’s 16:1 compression ratio is typical for modern diesel engines, contributing to its efficiency. The engine is transversely mounted in the front of the vehicle, driving the front wheels.
Driving Characteristics
The 1.6 CDTi 110 hp engine, paired with a six-speed manual transmission, delivers a balanced driving experience. While not particularly sporty, it offers adequate performance for most driving situations. Acceleration from 0 to 62 mph (0-100 km/h) takes around 11.4 seconds, and the top speed is 195 km/h (121 mph). The engine’s strong low-end torque makes it easy to navigate city traffic and provides sufficient power for overtaking on the highway. The six-speed gearbox allows for efficient cruising at highway speeds, keeping engine revs relatively low. Compared to the more powerful 1.6 CDTi variants (136 hp), this version feels less eager to accelerate, but it compensates with improved fuel economy. The manual transmission provides more driver engagement than the optional automatic, offering greater control over gear selection and engine braking. The suspension is tuned for comfort, providing a relatively smooth ride, although it may exhibit some body roll during cornering.
Equipment & Trim Levels
The Astra K Sports Tourer 1.6 CDTi ecoFLEX typically came equipped with a reasonable level of standard features. These included air conditioning, electric front windows, a basic audio system with USB connectivity, and stability control. Higher trim levels, such as ‘Edition’ or ‘Sportive’, added features like alloy wheels, cruise control, a touchscreen infotainment system, and parking sensors. Interior upholstery was typically cloth, with options for upgraded materials on higher trims. The dashboard layout was clean and functional, with a focus on ergonomics. Optional extras included a panoramic sunroof, heated seats, and a more advanced navigation system.
Chassis & Braking
The Astra K Sports Tourer features a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling. The chassis is relatively lightweight, contributing to the car’s fuel efficiency. The braking system consists of disc brakes on all four wheels, providing adequate stopping power. Anti-lock Braking System (ABS) is standard, enhancing safety during emergency braking. The steering is rack and pinion, offering precise and responsive control. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra K Sports Tourer 1.6 CDTi ecoFLEX was generally well-received by automotive critics for its fuel efficiency and practicality. It was praised for its comfortable ride and spacious interior. However, some critics noted that the engine lacked the punch of more powerful alternatives. Compared to the 1.6 CDTi 136 hp variant, the 110 hp version offered better fuel economy but slower acceleration. It also provided a more affordable entry point into the Astra K Sports Tourer range. In terms of reliability, the B16DTE engine has proven to be generally robust, although regular maintenance is essential to prevent issues with the diesel particulate filter (DPF) and fuel injection system.
Legacy
The Opel Astra K Sports Tourer 1.6 CDTi ecoFLEX remains a popular choice in the used car market, particularly for buyers seeking a fuel-efficient and practical estate car. The B16DTE engine has a reputation for being relatively reliable, although potential buyers should be aware of the maintenance requirements associated with diesel engines, such as DPF regeneration and regular oil changes. The car’s spacious interior and comfortable ride continue to appeal to families and individuals who need a versatile vehicle for both everyday commuting and longer journeys. While newer Astra models offer more advanced technology and features, the K generation represents a solid and dependable option for those seeking a well-rounded and affordable estate car.
