The Opel Astra G 2.0 DI 16V Automatic, produced between March 1998 and June 2002, represented a diesel-powered, convenience-focused variant within the broader Astra G range (1998-2004). Positioned as a mid-range offering, it aimed to provide economical motoring with the ease of an automatic transmission. This model utilized Opel’s then-current 2.0-liter direct injection diesel engine, coupled with a four-speed automatic gearbox, and was available in both 3-door and 5-door hatchback body styles. It was a key offering in the European market, where diesel engines and compact hatchbacks were – and continue to be – exceptionally popular.
Technical Specifications
| Brand | Opel |
| Model | Astra |
| Generation | Astra G |
| Type (Engine) | 2.0 DI 16V (82 Hp) Automatic |
| Start of production | March, 1998 |
| End of production | June, 2002 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3-5 |
| Fuel consumption (urban) | 8.9 l/100 km (26.4 US mpg) |
| Fuel consumption (extra urban) | 5.4 l/100 km (43.6 US mpg) |
| Fuel consumption (combined) | 6.7 l/100 km (35.1 US mpg) |
| CO2 emissions | 180 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 15.5 sec |
| Acceleration 0 – 62 mph | 15.5 sec |
| Acceleration 0 – 60 mph | 14.7 sec |
| Maximum speed | 170 km/h (105.63 mph) |
| Weight-to-power ratio | 15.2 kg/Hp |
| Weight-to-torque ratio | 6.7 kg/Nm |
| Power | 82 Hp @ 4300 rpm |
| Torque | 185 Nm @ 1800 rpm (136.45 lb.-ft. @ 1800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | X20DTL, Y20DTL |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 18.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger |
| Valvetrain | SOHC |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant capacity | 7.9 l (8.35 US qt | 6.95 UK qt) |
| Kerb Weight | 1245 kg (2744.76 lbs.) |
| Max. weight | 1765 kg (3891.16 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 370 l (13.07 cu. ft.) |
| Trunk (boot) space – maximum | 1180 l (41.67 cu. ft.) |
| Fuel tank capacity | 52 l (13.74 US gal | 11.44 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 635 kg (1399.94 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4110 mm (161.81 in.) |
| Width | 1709 mm (67.28 in.) |
| Width including mirrors | 1989 mm (78.31 in.) |
| Height | 1425 mm (56.1 in.) |
| Wheelbase | 2606 mm (102.6 in.) |
| Front track | 1464 mm (57.64 in.) |
| Rear track | 1452 mm (57.17 in.) |
| Front overhang | 791 mm (31.14 in.) |
| Rear overhang | 713 mm (28.07 in.) |
| Ride height (ground clearance) | 130 mm (5.12 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drivetrain | Front wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 185/65 R15 H |
| Wheel rims size | 6J x 15 ET49 |
Powertrain & Engine Architecture
The heart of the Astra G 2.0 DI 16V Automatic was the X20DTL (or occasionally Y20DTL) engine. This 1995cc inline-four cylinder diesel engine featured direct injection, a technology that was becoming increasingly common in European diesels during the late 1990s. Direct injection allowed for more precise fuel delivery, resulting in improved fuel economy and reduced emissions compared to older indirect injection systems. The ‘16V’ designation indicates the engine utilized a four-valve-per-cylinder configuration, enhancing breathing and contributing to a broader powerband. A single overhead camshaft (SOHC) controlled the valves. The engine was turbocharged, providing a noticeable boost in power and torque. The four-speed automatic transmission, while offering convenience, was a relatively conventional unit for the time, lacking the sophistication of modern multi-gear automatics. It was designed to provide smooth shifts but prioritized fuel efficiency over outright performance.
Driving Characteristics
The 2.0 DI 16V Automatic Astra G offered a comfortable, if not particularly sporty, driving experience. With 82 horsepower and 185 Nm (136 lb-ft) of torque, acceleration was adequate for everyday driving, but overtaking required planning. The 0-60 mph time of around 14.7 seconds and a top speed of 105.63 mph reflect this. The automatic transmission, while smooth, contributed to a noticeable loss of power compared to the manual transmission versions of the same engine. The gear ratios were optimized for fuel economy, meaning the engine often felt strained during quick acceleration. However, the readily available torque at low RPMs made it a capable cruiser, particularly on highways. The automatic transmission made it a popular choice for drivers prioritizing ease of use over performance.
Equipment & Trim Levels
The 2.0 DI 16V Automatic typically came equipped with features considered standard for a mid-range European car of the era. This included central locking, power windows, power steering, and an anti-lock braking system (ABS). Interior upholstery was usually cloth, with options for upgraded materials available. Air conditioning was a common option. Trim levels varied slightly depending on the market, but generally included features like a basic radio/cassette player, and body-colored bumpers and mirrors. Optional extras could include alloy wheels, a sunroof, and upgraded audio systems.
Chassis & Braking
The Astra G utilized a McPherson strut front suspension and a semi-independent coil spring rear suspension. This setup provided a reasonable balance between ride comfort and handling. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. The suspension was tuned for comfort, resulting in a slightly softer ride compared to sportier Astra variants. A stabilizer bar was fitted to the front axle to reduce body roll during cornering.
Market Reception & Comparison
The Astra G 2.0 DI 16V Automatic was generally well-received as a practical and economical family car. Critics praised its fuel efficiency and comfortable ride, but noted its lack of outright performance. Compared to the more powerful Astra G variants, such as the 2.0 16V petrol engine, the diesel automatic was significantly slower. However, it offered superior fuel economy and lower running costs. Compared to other diesel Astras, like the 1.7 DI, the 2.0 DI offered more power and refinement, albeit at a slightly higher price point. Its main competitors included the Ford Focus, Volkswagen Golf, and Peugeot 306.
Legacy
The Opel Astra G 2.0 DI 16V Automatic, while not a performance icon, proved to be a reliable and durable vehicle. The X20DTL engine, when properly maintained, is known for its longevity. Today, these cars are relatively affordable on the used market, making them attractive options for budget-conscious buyers. However, potential buyers should be aware of the age-related issues common to vehicles of this era, such as corrosion and wear and tear on suspension components. The automatic transmission, while generally reliable, may require servicing or rebuilding after many years of use. Despite its age, the Astra G 2.0 DI 16V Automatic remains a testament to Opel’s commitment to providing practical and economical transportation.
