The Opel Astra K 1.6d (110 hp) was a front-wheel-drive, five-door hatchback produced from 2018 to July 2019. Positioned as an entry-level to mid-range offering within the broader Astra K lineup, it aimed to provide a balance of fuel efficiency and practicality for European drivers. This variant utilized a turbocharged diesel engine paired with a six-speed manual transmission, representing a common configuration for maximizing economy in the compact segment. It was part of the Astra K generation (2015-2019), built on the GM’s Delta platform, which aimed to reduce weight and improve handling compared to its predecessor.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra K |
| Type (Engine) | 1.6d (110 Hp) |
| Start of production | 2018 |
| End of production | July, 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.5-5.7 l/100 km (42.8 – 41.3 US mpg) |
| Fuel consumption (extra urban) | 3.7-3.9 l/100 km (63.6 – 60.3 US mpg) |
| Fuel consumption (combined) | 4.4-4.6 l/100 km (53.5 – 51.1 US mpg) |
| CO2 emissions | 115-121 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.2 sec |
| Acceleration 0 – 62 mph | 11.2 sec |
| Acceleration 0 – 60 mph | 10.6 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 6d-Temp |
| Weight-to-power ratio | 11.7 kg/Hp |
| Weight-to-torque ratio | 4.3 kg/Nm |
| Power | 110 Hp @ 3500 rpm |
| Torque | 300 Nm @ 1750-2000 rpm (221.27 lb.-ft. @ 1750-2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | D16DTI |
| 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 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Kerb Weight | 1289 kg (2841.76 lbs.) |
| Max. weight | 1890 kg (4166.74 lbs.) |
| Max load | 601 kg (1324.98 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) |
| AdBlue tank | 13.5 l (3.57 US gal | 2.97 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1400 kg (3086.47 lbs.) |
| Permitted trailer load without brakes | 660 kg (1455.05 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 | 1544 mm (60.79 in.) |
| Rear (Back) track | 1558 mm (61.34 in.) |
| Minimum turning circle | 11.05 m (36.25 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front brakes | Disc |
| Rear brakes | Disc |
| Tires size | 205/55 R16 |
| Wheel rims size | 6.5Jx16; 7Jx16 |
INTRODUCTION
The Opel Astra K 1.6d (110 hp) represented a significant step forward for the Astra model line when it was introduced in 2018. Part of the K series (2015-2019), it benefited from the platform’s focus on weight reduction and improved dynamics. This particular variant, powered by the D16DTI engine, was designed to appeal to buyers prioritizing fuel economy and lower running costs. It occupied a crucial position in the Astra K range, offering a more affordable alternative to the higher-powered petrol and diesel options, while still providing a practical and well-equipped hatchback experience. The Astra K was a key model for Opel, aiming to compete with established rivals like the Volkswagen Golf, Ford Focus, and Peugeot 308 in the highly competitive European C-segment.
Powertrain & Engine Architecture
The heart of the Astra K 1.6d (110 hp) is the D16DTI engine, a 1.6-liter inline-four cylinder diesel. This engine is a member of Opel/Vauxhall’s ‘Whisper Diesel’ family, known for its relatively quiet operation and efficiency. It utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A turbocharger with an intercooler is employed to boost power and torque, providing 110 horsepower at 3500 rpm and 300 Nm (221 lb-ft) of torque between 1750 and 2000 rpm. The engine features four valves per cylinder and a compression ratio of 16:1. The six-speed manual transmission was the standard offering, providing a good balance between fuel economy and driver engagement. The gear ratios were tuned to maximize efficiency at cruising speeds, while still offering sufficient acceleration for everyday driving.
Driving Characteristics
The Astra K 1.6d (110 hp) offered a comfortable and composed driving experience. While not particularly sporty, the engine provided adequate power for most driving situations. Acceleration from 0-60 mph took around 10.6 seconds, and top speed was limited to 124 mph. The turbocharger provided a noticeable boost in power at lower engine speeds, making it easy to keep up with traffic. The six-speed manual transmission was smooth and precise, although the gear ratios were geared towards economy rather than outright performance. Compared to the more powerful 1.4-liter petrol or 1.6-liter diesel variants, the 1.6d felt less responsive, particularly during overtaking maneuvers. However, its superior fuel economy and lower running costs made it a compelling choice for drivers prioritizing practicality.
Equipment & Trim Levels
The Astra K 1.6d (110 hp) typically came equipped with a respectable level of standard features. These included air conditioning, electric front windows, a touchscreen infotainment system with Bluetooth connectivity, and a suite of safety features such as ABS, ESP, and multiple airbags. Higher trim levels, such as ‘Design’ and ‘Elite’, added features like alloy wheels, cruise control, automatic headlights and wipers, and upgraded interior trim. Interior upholstery was typically cloth, with options for leather available on higher trims. The dashboard layout was clean and modern, with a focus on ergonomics and ease of use. Optional extras included a panoramic sunroof, heated seats, and a more advanced navigation system.
Chassis & Braking
The Astra K utilized a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a good balance between ride comfort and handling. The chassis was relatively lightweight, contributing to the car’s agility. The Astra K 1.6d featured disc brakes on all four wheels, providing adequate stopping power. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) were standard safety features, enhancing stability and control in challenging driving conditions. The steering was electrically assisted, providing a light and precise feel.
Market Reception & Comparison
The Astra K 1.6d (110 hp) was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and well-equipped interior. However, some reviewers noted that the engine lacked the punch of its petrol counterparts. Compared to other trims in the Astra K lineup, the 1.6d offered the best fuel economy, making it an attractive option for high-mileage drivers. It was also more affordable than the higher-powered variants. Against its rivals, such as the Volkswagen Golf and Ford Focus, the Astra K 1.6d offered a competitive package in terms of price, fuel economy, and features.
Legacy
The D16DTI engine, while not known for being exceptionally durable, generally proved to be a reliable unit when properly maintained. Common issues included diesel particulate filter (DPF) clogging, particularly on vehicles used primarily for short journeys. The Astra K 1.6d (110 hp) remains a popular choice on the used car market, offering a practical and affordable option for buyers seeking a fuel-efficient hatchback. Its relatively low running costs and comfortable driving experience continue to appeal to a wide range of drivers. The Astra K generation as a whole helped to solidify Opel’s position as a major player in the European C-segment.


