The Opel Astra J (facelift, introduced in 2012) 1.7 CDTI (110 hp) Ecotec Start/Stop represents a significant iteration within the Astra J generation, produced from 2009 to 2015. This variant, powered by a diesel engine with start/stop technology, was aimed at the European market as an efficient and economical option within the compact hatchback segment. It occupied a mid-range position in the Astra J lineup, offering a balance between fuel economy and acceptable performance. Production of this specific configuration ran from 2012 to 2014.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra J (facelift 2012) |
| Type (Engine) | 1.7 CDTI (110 Hp) Ecotec start/stop |
| Start of production | 2012 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 4.9 l/100 km (48 US mpg, 57.6 UK mpg, 20.4 km/l) |
| Fuel consumption (extra urban) | 3.7 l/100 km (63.6 US mpg, 76.3 UK mpg, 27 km/l) |
| Fuel consumption (combined) | 4.2 l/100 km (56 US mpg, 67.3 UK mpg, 23.8 km/l) |
| CO2 emissions | 110 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 12.3 sec |
| Acceleration 0 – 62 mph | 12.3 sec |
| Acceleration 0 – 60 mph | 11.7 sec |
| Maximum speed | 186 km/h (115.58 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 12.5 kg/Hp, 80.3 Hp/tonne |
| Weight-to-torque ratio | 4.9 kg/Nm, 204.4 Nm/tonne |
| Power | 110 Hp @ 4000 rpm |
| Power per litre | 65.2 Hp/l |
| Torque | 280 Nm @ 1750-2500 rpm (206.52 lb.-ft. @ 1750-2500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | A17DTC |
| Engine displacement | 1686 cm3 (102.89 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 79 mm (3.11 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5.4 l (5.71 US qt | 4.75 UK qt) |
| Coolant capacity | 7.1 l (7.5 US qt | 6.25 UK qt) |
| Kerb Weight | 1370 kg (3020.33 lbs.) |
| Max. weight | 1940 kg (4276.97 lbs.) |
| Max load | 570 kg (1256.63 lbs.) |
| Trunk (boot) space – minimum | 370 l (13.07 cu. ft.) |
| Trunk (boot) space – maximum | 1235 l (43.61 cu. ft.) |
| Fuel tank capacity | 56 l (14.79 US gal | 12.32 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Length | 4419 mm (173.98 in.) |
| Width | 1814 mm (71.42 in.) |
| Width with mirrors folded | 1831 mm (72.09 in.) |
| Width including mirrors | 2013 mm (79.25 in.) |
| Height | 1510 mm (59.45 in.) |
| Wheelbase | 2685 mm (105.71 in.) |
| Front track | 1541 mm (60.67 in.) |
| Rear (Back) track | 1551 mm (61.06 in.) |
| Minimum turning circle | 11.4 m (37.4 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/60 R16 |
| Wheel rims size | 16 |
INTRODUCTION
The Opel Astra J facelift, launched in 2012, brought with it revised styling, updated technology, and a refined engine lineup. The 1.7 CDTI (110 hp) Ecotec Start/Stop variant was a key component of this refresh, designed to appeal to buyers prioritizing fuel efficiency and lower running costs. Built on the GM’s Delta II platform (internal codes 1HX0/A3), the Astra J aimed to compete with established rivals like the Volkswagen Golf, Ford Focus, and Peugeot 308. This particular engine and transmission combination was positioned as a sensible, economical choice, falling below the more powerful 1.4 Turbo petrol and 2.0 CDTI diesel options.
Powertrain & Engine Architecture
The heart of this Astra J variant is the A17DTC engine, a 1.7-liter inline-four cylinder diesel. This engine utilizes a common rail direct injection system, delivering fuel directly into the combustion chamber at extremely high pressure for improved efficiency and reduced emissions. A turbocharger with an intercooler is employed to boost power output, providing 110 horsepower at 4000 rpm and a respectable 280 Nm (206.52 lb-ft) of torque between 1750 and 2500 rpm. The Start/Stop system automatically shuts off the engine when the vehicle is stationary (e.g., at traffic lights) to further reduce fuel consumption and emissions. The engine features four valves per cylinder and is known for its relatively quiet operation for a diesel. The 6-speed manual transmission was the standard offering for this trim, providing a good balance between fuel economy and drivability.
Driving Characteristics
The 1.7 CDTI with the manual transmission delivers adequate, though not exhilarating, performance. Acceleration from 0-60 mph takes around 11.7 seconds, and top speed is rated at 186 km/h (115.58 mph). The engine’s torque is readily available from low revs, making it suitable for everyday driving and overtaking maneuvers. However, it does require downshifting for quicker acceleration. Compared to the more powerful 2.0 CDTI, this variant feels noticeably slower, particularly at higher speeds. The gear ratios are tuned for fuel efficiency, meaning the engine operates at relatively low rpm during cruising. The clutch feel is generally light, and the gearshift action is precise, though not particularly sporty.
Equipment & Trim Levels
The 1.7 CDTI Ecotec Start/Stop typically came equipped with a reasonable level of standard features. These included air conditioning, electric front windows, a CD/MP3 stereo system, and ABS brakes. Higher trim levels, such as ‘Sportive’ or ‘SE’, added features like alloy wheels, cruise control, a multi-function steering wheel, and upgraded interior trim. Interior upholstery was typically cloth, with options for partial leather available. The dashboard layout was functional and straightforward, with a clear instrument cluster. Optional extras included parking sensors, a navigation system, and a panoramic sunroof.
Chassis & Braking
The Astra J utilized a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a comfortable ride quality, though it wasn’t particularly engaging for enthusiastic drivers. The front brakes were ventilated discs, while the rear brakes were typically solid discs on higher trims, but drums on the base models. ABS (Anti-lock Braking System) was standard, providing enhanced braking performance and stability. The electric power steering offered light and precise steering feel, making it easy to maneuver in urban environments. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Astra J 1.7 CDTI Ecotec Start/Stop was generally well-received by critics for its fuel efficiency and low running costs. It offered a competitive fuel economy figure of around 56 US mpg (combined), making it an attractive option for drivers covering long distances. However, some reviewers criticized its lack of outright performance compared to rivals with more powerful engines. Compared to the 1.4 Turbo petrol version, the 1.7 CDTI offered significantly better fuel economy but less power. The 2.0 CDTI provided more performance but at the expense of fuel efficiency and higher running costs. Reliability reports suggest that the A17DTC engine is generally robust, though regular servicing is essential.
Legacy
The Opel/Vauxhall Astra J 1.7 CDTI Ecotec Start/Stop remains a relatively common sight on used car markets today. The A17DTC engine has proven to be reasonably reliable, provided it has been properly maintained. Common issues include diesel particulate filter (DPF) problems, particularly on vehicles that have primarily been used for short journeys. The availability of spare parts is good, and maintenance costs are generally reasonable. This variant continues to appeal to buyers seeking an economical and practical compact hatchback, offering a good balance between fuel efficiency, reliability, and affordability.
