The Opel Insignia Grand Sport (B) 1.6 CDTI, producing 136 horsepower, was a key variant within the second generation of Opel’s flagship D-segment hatchback, produced from September 2017 to April 2018. Positioned as a fuel-efficient and practical option, it aimed to broaden the Insignia’s appeal beyond those seeking outright performance. This model represented a significant step forward for Opel in terms of technology and design, competing with established rivals like the Ford Mondeo, Volkswagen Passat, and Peugeot 508 in the European market. The “Grand Sport” designation signified the hatchback body style, differentiating it from the later Sports Tourer (estate) version.
Technical Specifications
| Brand | Opel |
| Model | Insignia |
| Generation | Insignia Grand Sport (B) |
| Type (Engine) | 1.6 CDTI (136 Hp) |
| Start of production | September, 2017 |
| End of production | April, 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Fuel consumption (extra urban) | 3.9 l/100 km (60.3 US mpg, 72.4 UK mpg, 25.6 km/l) |
| Fuel consumption (combined) | 4.3 l/100 km (54.7 US mpg, 65.7 UK mpg, 23.3 km/l) |
| CO2 emissions | 114 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.5 sec |
| Acceleration 0 – 62 mph | 10.5 sec |
| Acceleration 0 – 60 mph | 10 sec |
| Maximum speed | 211 km/h (131.11 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 10.5 kg/Hp, 95.2 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 224.1 Nm/tonne |
| Power | 136 Hp @ 3500-4000 rpm |
| Power per litre | 85.1 Hp/l |
| Torque | 320 Nm @ 2000-2250 rpm (236.02 lb.-ft. @ 2000-2250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B16DTH |
| 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 |
| Valvetrain | DOHC |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 6 l (6.34 US qt | 5.28 UK qt) |
| Kerb Weight | 1428 kg (3148.2 lbs.) |
| Max. weight | 2070 kg (4563.57 lbs.) |
| Max load | 642 kg (1415.37 lbs.) |
| Trunk (boot) space – minimum | 490 l (17.3 cu. ft.) |
| Trunk (boot) space – maximum | 1450 l (51.21 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 1405 kg (3097.49 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4897 mm (192.8 in.) |
| Width | 1863 mm (73.35 in.) |
| Width with mirrors folded | 1941 mm (76.42 in.) |
| Width including mirrors | 2093 mm (82.4 in.) |
| Height | 1455 mm (57.28 in.) |
| Wheelbase | 2829 mm (111.38 in.) |
| Front track | 1607 mm (63.27 in.) |
| Rear (Back) track | 1610 mm (63.39 in.) |
| Front overhang | 990 mm (38.98 in.) |
| Rear overhang | 1078 mm (42.44 in.) |
| Minimum turning circle | 11.74 m (38.52 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent type McPherson |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R17 |
| Wheel rims size | 7 J x 17 |
INTRODUCTION
The Opel Insignia Grand Sport (B) 1.6 CDTI 136 hp, launched in 2017, represented a core offering within the redesigned Insignia range. Built on the GM’s Epsilon II platform (internally known as the 763 platform), it aimed to provide a balance of efficiency, practicality, and comfort for family buyers. This variant was particularly important in European markets where diesel engines remained highly popular due to favorable taxation and fuel economy. The Grand Sport body style, a five-door hatchback, offered increased versatility compared to the traditional saloon, with a larger boot opening and more flexible interior space. It was positioned as a mainstream trim level, offering a more accessible price point than the higher-powered petrol or diesel options.
Powertrain & Engine Architecture
At the heart of this Insignia variant lies the 1.6-liter (1598cc) four-cylinder diesel engine, designated B16DTH. This engine is part of Opel’s ‘CDTI’ (Common-rail Diesel Turbo Injection) family. It features a common-rail direct injection system, delivering fuel at extremely high pressure for improved combustion efficiency and reduced emissions. The engine utilizes a turbocharger with an intercooler to boost power output. The valvetrain is a Double Overhead Camshaft (DOHC) configuration with four valves per cylinder, optimizing gas flow. The engine produces 136 horsepower at 3500-4000 rpm and 320 Nm (236 lb-ft) of torque between 2000-2250 rpm. This torque band provides good mid-range acceleration. The engine is paired with a six-speed manual transmission, sending power to the front wheels. While an automatic transmission was available on other Insignia models, the 1.6 CDTI 136 hp was primarily offered with the manual gearbox.
Driving Characteristics
The 1.6 CDTI 136 hp Insignia Grand Sport delivers a competent, if not particularly exhilarating, driving experience. Acceleration from 0-62 mph takes around 10.5 seconds, and top speed is 131.11 mph. The engine’s strong low-end torque makes it well-suited for everyday driving and overtaking maneuvers. The six-speed manual transmission is generally smooth and precise, although the gear ratios are geared towards fuel efficiency rather than outright performance. Compared to the more powerful 2.0-liter diesel variants, the 1.6 CDTI feels noticeably less responsive, especially at higher speeds. However, it offers a more relaxed and economical driving experience. The steering is light and accurate, providing adequate feedback. The suspension is tuned for comfort, absorbing bumps and imperfections in the road well, but it doesn’t offer the same level of body control as the sportier trims.
Equipment & Trim Levels
The 1.6 CDTI 136 hp Insignia Grand Sport typically came equipped with a reasonable level of standard features. These included air conditioning, a touchscreen infotainment system with Bluetooth connectivity, alloy wheels, cruise control, and a suite of safety features such as ABS, ESP (Electronic Stability Program), and multiple airbags. Interior upholstery was typically cloth, with options for leather upgrades. Higher trim levels, such as ‘Design’ and ‘Elegance’, added features like heated seats, parking sensors, a more advanced infotainment system with navigation, and upgraded interior trim materials. Optional extras included a panoramic sunroof, adaptive cruise control, and a premium sound system.
Chassis & Braking
The Insignia Grand Sport features a McPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling. The front brakes are ventilated discs, while the rear brakes are solid discs. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) are standard safety features. The chassis is relatively lightweight, contributing to the car’s fuel efficiency and agility. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Opel Insignia Grand Sport 1.6 CDTI 136 hp was generally well-received by automotive critics as a practical and economical family car. It was praised for its spacious interior, comfortable ride, and fuel efficiency. However, some reviewers noted that the engine lacked the punch of the more powerful alternatives. Compared to the 2.0-liter diesel models, the 1.6 CDTI offered significantly better fuel economy, but at the expense of performance. Against rivals like the Ford Mondeo and Volkswagen Passat, the Insignia offered a competitive package in terms of price, features, and practicality. The 1.6 CDTI was particularly appealing to buyers who prioritized fuel economy and low running costs.
Legacy
The B16DTH engine, while generally reliable, has been known to exhibit issues with the diesel particulate filter (DPF) if not driven on longer journeys regularly. Proper maintenance, including regular oil changes and DPF regeneration, is crucial for long-term reliability. On the used car market, the Insignia Grand Sport 1.6 CDTI 136 hp represents a good value proposition, offering a comfortable and practical family car at an affordable price. Its fuel efficiency and relatively low running costs make it an attractive option for budget-conscious buyers. However, potential buyers should be aware of the potential DPF issues and ensure the car has been well-maintained.


