The Vauxhall Astra Mk VI CC 1.6 CDTi (136 hp) represents a significant iteration within the Astra Mk VI range, produced between 2009 and 2015. Positioned as a fuel-efficient and practical option, this variant aimed to balance performance with economy, appealing to a broad segment of the UK and European car markets. The “CC” designation denotes the Coupe-Cabriolet body style, offering open-top motoring alongside the practicality of a hatchback. This model falls within the Astra Mk VI generation (2009-2015), which itself was based on the GM Delta platform, shared with other vehicles like the Opel Astra and Chevrolet Cruze.
Technical Specifications
| Brand | Vauxhall |
| Model | Astra |
| Generation | Astra Mk VI CC |
| Type (Engine) | 1.6 CDTi (136 Hp) |
| Start of production | 2009 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l) |
| Fuel consumption (extra urban) | 3.6 l/100 km (65.3 US mpg, 78.5 UK mpg, 27.8 km/l) |
| Fuel consumption (combined) | 3.9 l/100 km (60.3 US mpg, 72.4 UK mpg, 25.6 km/l) |
| CO2 emissions | 104 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10 sec |
| Acceleration 0 – 62 mph | 10 sec |
| Acceleration 0 – 60 mph | 9.5 sec |
| Maximum speed | 201 km/h (124.9 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 10.3 kg/Hp, 96.9 Hp/tonne |
| Weight-to-torque ratio | 4.4 kg/Nm, 228.1 Nm/tonne |
| Power | 136 Hp @ 3500-4000 rpm |
| Power per litre | 85.1 Hp/l |
| Torque | 320 Nm @ 2000 rpm (236.02 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B16DTH |
| Engine displacement | 1598 cm3 (97.52 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant capacity | 6.2 l (6.55 US qt | 5.46 UK qt) |
| Kerb Weight | 1403 kg (3093.09 lbs.) |
| Max. weight | 2030 kg (4475.38 lbs.) |
| Max load | 627 kg (1382.3 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) |
| Permitted trailer load with brakes (12%) | 1400 kg (3086.47 lbs.) |
| Permitted trailer load without brakes | 730 kg (1609.37 lbs.) |
| Length | 4419 mm (173.98 in.) |
| Width | 1814 mm (71.42 in.) |
| Width including mirrors | 2013 mm (79.25 in.) |
| Height | 1510 mm (59.45 in.) |
| Wheelbase | 2685 mm (105.71 in.) |
| Front track | 1542 mm (60.71 in.) |
| Rear (Back) track | 1557 mm (61.3 in.) |
| Ride height (ground clearance) | 150 mm (5.91 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11.4 m (37.4 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 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 | 225/50 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the Astra Mk VI CC 1.6 CDTi is the B16DTH engine, a 1.6-liter inline-four cylinder diesel. This engine is part of Vauxhall/Opel’s ‘CDTi’ (Common-rail Diesel Turbocharged Injection) family. It utilizes a common rail direct injection system, delivering fuel at extremely high pressure for improved combustion efficiency and reduced emissions. The engine is turbocharged with an intercooler, enhancing power output and torque. The B16DTH engine produces 136 horsepower at 3500-4000 rpm and a substantial 320 Nm (236 lb-ft) of torque at just 2000 rpm. This torque figure is a key characteristic, providing strong pulling power at lower engine speeds. The engine features a single overhead camshaft (SOHC) valvetrain with two valves per cylinder. The 6-speed manual transmission was the standard offering, providing a good balance between fuel economy and driver control. The gear ratios were tuned to maximize the engine’s torque band, offering responsive acceleration in everyday driving situations.
Driving Characteristics
The 1.6 CDTi engine, paired with the 6-speed manual gearbox, delivers a surprisingly refined driving experience. While not a performance-oriented variant, the ample torque makes it feel responsive in most driving scenarios. Acceleration from 0-60 mph takes around 9.5 seconds, which is adequate for daily commuting and highway cruising. The gear ratios are well-matched, allowing the engine to operate efficiently at highway speeds. Compared to the petrol variants, the 1.6 CDTi offers significantly better fuel economy. Against higher-powered Astra models (like those with larger petrol engines), this variant feels less eager to rev, but its strength lies in its mid-range punch. The manual transmission provides a more engaging driving experience than an automatic would, allowing the driver to fully utilize the engine’s torque.
Equipment & Trim Levels
The Astra Mk VI CC 1.6 CDTi typically came equipped with a reasonable level of standard features. These included air conditioning, electric front windows, a CD/radio stereo system, and ABS brakes. Higher trim levels, such as ‘Excite’ or ‘Sportive’, added features like alloy wheels, cruise control, rear parking sensors, and upgraded interior trim. Interior upholstery was typically cloth, with options for leather available on higher-spec models. The dashboard layout was functional and straightforward, with a focus on ergonomics. Optional extras included a panoramic sunroof (particularly appealing on the CC model), satellite navigation, and a more advanced audio system.
Chassis & Braking
The Astra Mk VI CC utilized a MacPherson strut front suspension and a torsion beam rear suspension. This setup provided a good balance between ride comfort and handling. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were solid discs. ABS (Anti-lock Braking System) was standard, enhancing safety. The steering was electrically assisted, providing a light and precise feel. The chassis was tuned to prioritize comfort over outright sportiness, making it a pleasant vehicle for long journeys.
Market Reception & Comparison
The Astra Mk VI CC 1.6 CDTi was generally well-received by critics for its fuel efficiency and practicality. It was seen as a sensible choice for drivers who prioritized economy and low running costs. Compared to the petrol-powered Astra models, the 1.6 CDTi offered significantly better fuel economy, making it a popular choice for high-mileage drivers. However, some critics noted that the engine could be a little noisy compared to some of its rivals. Against competitors like the Ford Focus and Volkswagen Golf, the Astra offered a competitive package in terms of price, features, and fuel economy.
Legacy
The B16DTH engine, while generally reliable, is known to have some potential issues with the diesel particulate filter (DPF) if not properly maintained. Regular servicing and the use of quality diesel fuel are crucial for ensuring the longevity of this engine. Today, the Astra Mk VI CC 1.6 CDTi represents a relatively affordable and practical used car option. Its fuel efficiency and reasonable running costs continue to appeal to budget-conscious buyers. The availability of spare parts is good, and the engine is relatively straightforward to work on for experienced mechanics. However, potential buyers should be aware of the potential DPF issues and ensure that the vehicle has been well-maintained.
