Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra K |
| Type (Engine) | 1.6 CDTi (110 Hp) |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 4.2 l/100 km (56 US mpg, 67.3 UK mpg, 23.8 km/l) |
| Fuel consumption (extra urban) | 3.3 l/100 km (71.3 US mpg, 85.6 UK mpg, 30.3 km/l) |
| Fuel consumption (combined) | 3.6 – 3.7 l/100 km (65.3 – 63.6 US mpg, 78.5 – 76.3 UK mpg, 27.8 – 27 km/l) |
| CO2 emissions | 97 – 95 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11 sec |
| Acceleration 0 – 62 mph | 11 sec |
| Acceleration 0 – 60 mph | 10.5 sec |
| Maximum speed | 195 km/h (121.17 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 11.7 kg/Hp, 85.6 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 233.5 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 | 1285 kg (2832.94 lbs.) |
| Max. weight | 1865 kg (4111.62 lbs.) |
| Max load | 580 kg (1278.68 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%) | 1450 kg (3196.7 lbs.) |
| Permitted trailer load without brakes | 650 kg (1433 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.) |
| 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 | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 195/65 R15; 205/55 R16 |
| Wheel rims size | 6J x 15; 6.5J x 16 |
The Opel Astra K 1.6 CDTi (110 hp) was a front-wheel-drive, five-door hatchback produced between 2015 and 2018. Positioned as a fuel-efficient and practical option within the broader Astra K range, it served as an entry-level diesel variant, appealing to buyers prioritizing economy over outright performance. This model was a key component of Opel’s strategy to offer a diverse lineup catering to various customer needs in the European market. It utilized the General Motors’ Delta platform, also known internally as the 2nd generation Delta platform.
Powertrain & Engine Architecture
The heart of the Astra K 1.6 CDTi (110 hp) is the B16DTE engine, a 1.6-liter inline-four cylinder diesel. This engine belongs to Opel’s ‘Whisper Diesel’ family, known for its focus on refinement and fuel efficiency. It features a turbocharger with intercooling to boost power output, and a common-rail direct fuel injection system operating at very high pressures (typically around 2000 bar) for optimized combustion. The engine utilizes a 16:1 compression ratio, contributing to its thermal efficiency. The engine’s valvetrain employs two overhead camshafts (DOHC) controlling four valves per cylinder. The 6-speed manual transmission was the standard offering, designed to maximize fuel economy and provide smooth gear changes. The transmission’s gear ratios were tuned to complement the engine’s torque curve, prioritizing acceleration in the lower gears and efficient cruising at highway speeds.
Driving Characteristics
The 110 hp output and 300 Nm (221 lb-ft) of torque delivered by the 1.6 CDTi engine provided adequate, though not exhilarating, performance. Acceleration from 0-60 mph took around 10.5 seconds, and top speed was approximately 121 mph. The engine’s peak torque was available from 1750-2000 rpm, meaning that everyday driving felt relatively effortless, with sufficient power for overtaking and merging onto highways. Compared to the more powerful Astra K variants, such as those equipped with the 1.4-liter Turbo petrol engine or the 1.6 CDTi with 136 hp, the 110 hp version felt noticeably less responsive. However, it offered a more relaxed driving experience and significantly better fuel economy. The manual transmission, while precise, required more driver involvement than the optional automatic transmission available on higher-spec models.
Equipment & Trim Levels
The Astra K 1.6 CDTi (110 hp) typically came equipped with a reasonable level of standard features. These included air conditioning, power windows, central locking, a basic audio system with USB connectivity, and stability control. Interior upholstery was generally cloth, with a functional and durable design. Higher trim levels, such as ‘Design’ or ‘Edition’, added features like alloy wheels, a touchscreen infotainment system, cruise control, and parking sensors. Optional extras included a panoramic sunroof, leather upholstery, and advanced safety features like lane departure warning and automatic emergency braking.
Chassis & Braking
The Astra K featured a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a good balance between ride comfort and handling. The 1.6 CDTi models typically used ventilated front disc brakes and solid rear disc brakes. ABS (Anti-lock Braking System) was standard, enhancing braking performance and safety. The suspension was tuned to prioritize comfort, resulting in a slightly softer ride compared to the sportier Astra K variants. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra K 1.6 CDTi (110 hp) was generally well-received by automotive critics for its fuel efficiency and practicality. It was praised for its comfortable ride and refined engine, but some reviewers noted its lack of outright performance. Compared to other diesel-powered hatchbacks in its class, such as the Volkswagen Golf and Ford Focus, the Astra K offered a competitive fuel economy and a similar level of equipment. However, the Golf was often considered to have a more premium interior and a more engaging driving experience. The Astra K’s diesel engine was also noted for its relatively quiet operation, a key selling point for many buyers.
Legacy
The 1.6 CDTi engine, in its various iterations, proved to be a reliable and durable powertrain. While some early versions of the engine experienced issues with diesel particulate filter (DPF) clogging, these were largely addressed through software updates and improved DPF designs. On the used car market, the Astra K 1.6 CDTi (110 hp) remains a popular choice for buyers seeking a fuel-efficient and affordable hatchback. Its relatively low running costs and proven reliability make it a sensible option for everyday commuting and long-distance journeys. However, potential buyers should be aware of the importance of regular maintenance, particularly regarding the DPF, to ensure long-term reliability.
