The Opel Insignia A, produced from November 2008 to June 2013, represented a significant step forward for the German automaker, aiming to compete directly with established players in the mid-size segment like the Ford Mondeo and Volkswagen Passat. The 2.8 V6 Turbo 4×4 Automatic variant, positioned as the flagship trim, offered a blend of performance, technology, and practicality. This model year marked the first generation of the Insignia, built on the GM Epsilon II platform (internally designated as the A platform), and was a key model in Opel’s lineup during its period. It was marketed as a stylish and sophisticated alternative to more conservative offerings.
Technical Specifications
| Brand | Opel |
| Model | Insignia |
| Generation | Insignia Hatchback (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 | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 17.9 l/100 km (13.1 US mpg, 15.8 UK mpg, 5.6 km/l) |
| Fuel consumption (extra urban) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| Fuel consumption (combined) | 11.6 l/100 km (20.3 US mpg, 24.4 UK mpg, 8.6 km/l) |
| 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 (258.15 lb.-ft.) |
| 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 | 520 l (18.36 cu. ft.) |
| Trunk (boot) space – maximum | 1465 l (51.74 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 | 6 |
| Gearbox type | 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 |
Powertrain & Engine Architecture
The heart of the Insignia 2.8 V6 Turbo 4×4 is the A28NET engine, a 2.8-liter naturally aspirated V6 engine boosted by a twin-scroll turbocharger. This engine produced 260 horsepower at 5500 rpm and 350 Nm (258 lb-ft) of torque. The engine utilized multi-port fuel injection and a compression ratio of 9.5:1. The engine’s layout was front transverse, contributing to a balanced weight distribution. The engine was paired with a six-speed automatic transmission, specifically designed to handle the engine’s output and provide smooth shifts. This transmission featured adaptive shift patterns, adjusting to the driver’s style and road conditions.
Driving Characteristics
The 2.8 V6 Turbo Automatic Insignia offered a noticeably different driving experience compared to the lower-powered variants, such as the 1.8-liter or 2.0-liter models. The V6 engine delivered strong acceleration, achieving 0-60 mph in approximately 6.7 seconds. The all-wheel-drive system provided excellent traction, particularly in adverse weather conditions. The automatic transmission, while smooth, wasn’t particularly sporty, prioritizing comfort over aggressive gear changes. Compared to the manual transmission options, the automatic offered convenience but sacrificed some driver engagement. The gear ratios were tuned for a balance between acceleration and fuel efficiency, but the combined fuel economy of 20.3 US mpg reflected the engine’s larger displacement and the added weight of the 4×4 system.
Equipment & Trim Levels
The 2.8 V6 Turbo 4×4 Automatic typically came with a high level of standard equipment. This included leather upholstery, heated front seats, dual-zone climate control, a premium audio system, and parking sensors. Optional extras included a panoramic sunroof, adaptive cruise control, and a navigation system. The interior featured a driver-focused dashboard layout with metallic accents and high-quality materials. The trim level was generally considered the top-of-the-line offering for the Insignia, appealing to buyers seeking a luxurious and well-equipped vehicle.
Chassis & Braking
The Insignia A featured a McPherson strut front suspension and a multi-link rear suspension. The 2.8 V6 4×4 variant often included a thicker stabilizer bar to reduce body roll during cornering. The braking system consisted of ventilated discs on the front wheels and solid discs on the rear. Anti-lock braking system (ABS) was standard. The all-wheel-drive system utilized a multi-plate clutch to distribute torque between the front and rear axles, providing optimal grip in various driving conditions. The suspension tuning aimed for a balance between comfort and handling, offering a relatively smooth ride without sacrificing stability.
Market Reception & Comparison
The Insignia 2.8 V6 Turbo 4×4 Automatic received generally positive reviews from automotive critics. It was praised for its powerful engine, comfortable ride, and spacious interior. However, some critics noted the relatively high fuel consumption and the somewhat uninspired styling compared to some of its rivals. Compared to the 1.8-liter and 2.0-liter variants, the V6 offered significantly more performance but came at a higher price and with increased running costs. The 2.0-liter diesel models offered better fuel economy, while the 1.8-liter petrol models were more affordable.
Legacy
The Opel Insignia A 2.8 V6 Turbo 4×4 Automatic, while not a high-volume seller, established the Insignia as a credible competitor in the mid-size segment. The A28NET engine proved to be relatively reliable, although regular maintenance is crucial. In the used car market, these models are sought after by enthusiasts who appreciate the combination of performance and practicality. While fuel economy isn’t its strong suit, the Insignia 2.8 V6 remains a capable and comfortable grand tourer, offering a unique driving experience within the Opel lineup.
