The Opel Insignia Sedan (A) 2.8 V6 Turbo 4×4 Automatic, produced from November 2008 to June 2013, represented the flagship performance variant of Opel’s initial foray into the mid-size sedan segment. Positioned as the premium offering within the Insignia A range, it aimed to compete with established European and domestic rivals offering a blend of comfort, technology, and spirited driving. This model was a key component of Opel’s attempt to redefine its brand image, moving towards more sophisticated and dynamically capable vehicles. It was built on the GM Epsilon II platform, shared with other vehicles like the Saab 9-3 and Chevrolet Malibu, but distinguished itself through its powerful engine and all-wheel-drive system.
Technical Specifications
| Brand | Opel |
| Model | Insignia |
| Generation | Insignia Sedan (A) |
| Type (Engine) | 2.8 V6 Turbo (260 Hp) 4×4 Automatic |
| Start of production | November, 2008 |
| End of production | June, 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 17.9 l/100 km (13.1 US mpg, 15.8 UK mpg, 5.6 km/l) |
| Fuel consumption (economy) – extra urban | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| Fuel consumption (economy) – combined | 11.6 l/100 km (20.3 US mpg, 24.4 UK mpg, 8.6 km/l) |
| CO2 emissions | 258 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.1 sec |
| Acceleration 0 – 62 mph | 7.1 sec |
| Acceleration 0 – 60 mph | 6.7 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.1 kg/Hp, 141.1 Hp/tonne |
| Weight-to-torque ratio | 5.3 kg/Nm, 189.9 Nm/tonne |
| Power | 260 Hp @ 5500 rpm |
| Power per litre | 93.1 Hp/l |
| Torque | 350 Nm @ 1900-4500 rpm (258.15 lb.-ft. @ 1900-4500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | A28NET |
| Engine displacement | 2792 cm3 (170.38 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 89 mm (3.5 in.) |
| Piston Stroke | 74.8 mm (2.94 in.) |
| Compression ratio | 9.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6.3 l (6.66 US qt | 5.54 UK qt) |
| Coolant | 6.7 l (7.08 US qt | 5.9 UK qt) |
| Kerb Weight | 1843 kg (4063.12 lbs.) |
| Max. weight | 2365 kg (5213.93 lbs.) |
| Max load | 522 kg (1150.81 lbs.) |
| Trunk (boot) space – minimum | 500 l (17.66 cu. ft.) |
| Trunk (boot) space – maximum | 1010 l (35.67 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4830 mm (190.16 in.) |
| Width | 1858 mm (73.15 in.) |
| Height | 1498 mm (58.98 in.) |
| Wheelbase | 2737 mm (107.76 in.) |
| Front track | 1585 mm (62.4 in.) |
| Rear (Back) track | 1587 mm (62.48 in.) |
| Ride height (ground clearance) | 160 mm (6.3 in.) |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 245/45 R18 |
| Wheel rims size | 18 |
INTRODUCTION
The Opel Insignia Sedan (A) 2.8 V6 Turbo 4×4 Automatic, launched in late 2008, was a significant model for Opel. It represented a departure from the brand’s traditionally conservative designs, embracing a more sculpted and dynamic aesthetic. The “A” designation denotes the first generation of the Insignia, which ran from 2008-2017. This particular variant, with its potent V6 engine and all-wheel-drive system, was positioned at the top of the Insignia sedan range, offering a compelling alternative to premium brands. It was intended to appeal to buyers seeking a spacious, comfortable, and capable family sedan with a sporting edge. The Insignia aimed to elevate Opel’s image and attract a more discerning clientele.
Powertrain & Engine Architecture
At the heart of the Insignia 2.8 V6 Turbo 4×4 lies the A28NET engine, a 2.8-liter naturally aspirated V6 engine boosted by a single turbocharger. This engine produced 260 horsepower at 5500 rpm and 350 Nm (258 lb-ft) of torque between 1900 and 4500 rpm. The engine utilizes multi-port fuel injection and features a cast iron block with aluminum cylinder heads. The valvetrain employs four valves per cylinder, contributing to its responsive nature. The engine’s turbocharger and intercooler work in tandem to enhance power output and efficiency. Paired with this engine is a six-speed automatic transmission, specifically the 6T70, known for its smooth shifts and adaptability. This transmission was designed to handle the engine’s substantial torque output and provide a comfortable driving experience. The 4×4 system is a torque-on-demand system, primarily driving the front wheels but seamlessly engaging the rear wheels when traction is needed.
Driving Characteristics
The Insignia 2.8 V6 Turbo 4×4 Automatic offered a noticeably different driving experience compared to the lower-powered variants. The V6 engine provided ample power for confident overtaking and effortless cruising. While not a dedicated sports sedan, the combination of the turbocharger and all-wheel-drive system delivered brisk acceleration – 0-60 mph in approximately 6.7 seconds. The automatic transmission, while smooth, wasn’t particularly sporty, prioritizing comfort over aggressive gear changes. The all-wheel-drive system provided excellent grip in various weather conditions, enhancing stability and confidence. Compared to the 2.0-liter turbocharged four-cylinder models, the V6 offered a more refined and linear power delivery, lacking the turbo lag sometimes experienced in the smaller engine. The heavier V6 engine and all-wheel-drive components did slightly impact handling agility compared to the lighter front-wheel-drive models.
Equipment & Trim Levels
The 2.8 V6 Turbo 4×4 Automatic typically came well-equipped, reflecting its position as the range-topping model. Standard features included leather upholstery, dual-zone climate control, a premium audio system, and parking sensors. Optional extras included a panoramic sunroof, navigation system, adaptive cruise control, and heated front seats. The interior design was modern and functional, with a focus on ergonomics and comfort. The dashboard layout was clean and intuitive, with easy-to-use controls. Trim levels varied slightly depending on the market, but generally, the V6 model offered a higher level of standard equipment than the lower-spec Insignias.
Chassis & Braking
The Insignia Sedan (A) featured a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance between ride comfort and handling. The 2.8 V6 4×4 models often received slightly stiffer suspension tuning to better manage the increased weight and power. Braking duties were handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System). The braking system was generally considered adequate for the vehicle’s performance, providing confident stopping power. The all-wheel-drive system contributed to enhanced stability during braking, particularly on slippery surfaces.
Market Reception & Comparison
The Insignia 2.8 V6 Turbo 4×4 Automatic received generally positive reviews from automotive critics. It was praised for its spacious interior, comfortable ride, and powerful engine. However, some critics noted that the automatic transmission could feel a bit sluggish at times, and the fuel economy was relatively poor compared to the more efficient four-cylinder models. Compared to rivals like the Ford Mondeo, Volkswagen Passat, and Audi A4, the Insignia offered a compelling value proposition, providing a generous level of equipment and performance for its price. The V6 model appealed to buyers who prioritized power and refinement over fuel efficiency.
Legacy
The Opel Insignia 2.8 V6 Turbo 4×4 Automatic, while not a high-volume seller, established a reputation for reliability and durability. The A28NET engine, when properly maintained, proved to be a robust and long-lasting unit. On the used car market, these models are sought after by enthusiasts who appreciate their unique combination of performance, comfort, and practicality. Common maintenance concerns include turbocharger health and the condition of the automatic transmission. However, with regular servicing and preventative maintenance, the Insignia 2.8 V6 Turbo 4×4 Automatic remains a capable and enjoyable vehicle, offering a distinctive alternative to more mainstream mid-size sedans.

