The Mazda 6 first generation (GG/GY/GG1) was a mid-size car produced by Mazda from 2002 to 2007. Available in sedan, wagon, and hatchback body styles, it represented a significant step forward for Mazda in terms of design and driving dynamics. The 2.0 CD variant, powered by a 121 horsepower diesel engine, was a popular choice in European markets, offering a balance of fuel efficiency and practicality. Production of this specific hatchback configuration with the 2.0 CD engine ran from 2002 to 2005, fitting into the broader GG/GY/GG1 lifecycle. This model aimed to compete with established players like the Ford Mondeo, Volkswagen Passat, and Opel Vectra, offering a more engaging driving experience and a stylish design.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | 6 I Hatchback (Typ GG/GY/GG1) |
| Type (Engine) | 2.0 CD (121 Hp) |
| Start of production | 2002 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.3 l/100 km (28.3 US mpg, 34 UK mpg, 12 km/l) |
| Fuel consumption (extra urban) | 5.5 l/100 km (42.8 US mpg, 51.4 UK mpg, 18.2 km/l) |
| Fuel consumption (combined) | 6.5 l/100 km (36.2 US mpg, 43.5 UK mpg, 15.4 km/l) |
| CO2 emissions | 179 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11 sec |
| Acceleration 0 – 62 mph | 11 sec |
| Acceleration 0 – 60 mph | 10.5 sec |
| Maximum speed | 196 km/h (121.79 mph) |
| Emission standard | Euro 3 |
| Weight-to-power ratio | 11.9 kg/Hp, 84.3 Hp/tonne |
| Weight-to-torque ratio | 4.6 kg/Nm, 216 Nm/tonne |
| Power | 121 Hp @ 3500 rpm |
| Power per litre | 60.6 Hp/l |
| Torque | 310 Nm @ 2000 rpm (228.64 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | RF5C |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 18.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | SOHC |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1435 kg (3163.63 lbs.) |
| Max. weight | 1960 kg (4321.06 lbs.) |
| Max load | 525 kg (1157.43 lbs.) |
| Trunk (boot) space – minimum | 492 l (17.37 cu. ft.) |
| Fuel tank capacity | 64 l (16.91 US gal | 14.08 UK gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 550 kg (1212.54 lbs.) |
| Length | 4680 mm (184.25 in.) |
| Width | 1780 mm (70.08 in.) |
| Height | 1435 mm (56.5 in.) |
| Wheelbase | 2675 mm (105.31 in.) |
| Front track | 1550 mm (61.02 in.) |
| Rear (Back) track | 1550 mm (61.02 in.) |
| Ride height (ground clearance) | 130 mm (5.12 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle (turning diameter) | 10.8 m (35.43 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 | 5 gears, manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 195/65 R15 H |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the Mazda 6 2.0 CD was the RF5C engine, a 1998cc inline-four cylinder diesel. This engine utilized a common rail direct injection system, a technology that allowed for precise fuel delivery and improved combustion efficiency. The RF5C was turbocharged and intercooled, boosting power output to 121 horsepower at 3500 rpm and 310 Nm (228.64 lb-ft) of torque at 2000 rpm. The engine featured a single overhead camshaft (SOHC) valvetrain with four valves per cylinder. The engine’s 18.3:1 compression ratio was typical for a diesel engine of the era, contributing to its efficiency. The 2.0 CD was typically paired with a five-speed manual transmission, although an automatic transmission was also available, albeit less common. The automatic transmission was a conventional torque converter type, offering smooth shifts but at the expense of some fuel economy compared to the manual.
Driving Characteristics
The 2.0 CD hatchback offered a comfortable and refined driving experience. While not a performance-oriented variant, the 310 Nm of torque provided ample pulling power for everyday driving and overtaking maneuvers. Acceleration from 0-60 mph took around 10.5 seconds, and top speed was rated at 196 km/h (121.79 mph). Compared to the more powerful gasoline engines available in the Mazda 6 range, the 2.0 CD prioritized fuel economy and low-end responsiveness. The automatic transmission, while convenient, did slightly diminish the car’s responsiveness compared to the manual version. Gear ratios were tuned for fuel efficiency, meaning the engine didn’t always feel particularly eager to rev. However, the well-tuned suspension and steering provided a balanced and engaging driving experience, characteristic of Mazda vehicles.
Equipment & Trim Levels
The 2.0 CD hatchback typically came equipped with a reasonable level of standard features. This included power windows, central locking, air conditioning, and an audio system. Higher trim levels added features such as alloy wheels, fog lights, a sunroof, and upgraded interior trim. Interior upholstery was typically cloth, with options for leather available on higher-spec models. Dashboard design was functional and modern for its time, with a clear instrument cluster and logically arranged controls. Optional extras included a navigation system and a premium sound system.
Chassis & Braking
The Mazda 6 hatchback featured a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling. The 2.0 CD variant, being a mid-range model, typically came equipped with ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock Braking System (ABS) was standard, enhancing safety. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The chassis was designed to be rigid, contributing to the car’s overall stability and handling characteristics.
Market Reception & Comparison
The Mazda 6 2.0 CD hatchback was generally well-received by automotive critics. It was praised for its stylish design, engaging driving dynamics, and fuel efficiency. Compared to other diesel-powered hatchbacks in its class, the Mazda 6 offered a more premium feel and a more enjoyable driving experience. Fuel economy was a strong point, with combined figures around 6.5 l/100 km (36.2 US mpg). Reliability was generally good, although some owners reported issues with the diesel particulate filter (DPF) system, a common problem with diesel engines of this era. Compared to the higher-output gasoline variants, the 2.0 CD appealed to drivers who prioritized fuel economy and low-cost motoring over outright performance.
Legacy
The Mazda 6 first generation, including the 2.0 CD hatchback, established Mazda as a serious contender in the mid-size car segment. The RF5C diesel engine proved to be a reliable and durable unit, although regular maintenance is crucial to prevent issues with the DPF and fuel injection system. Today, these cars can be found on the used car market at affordable prices. While they may require some maintenance due to their age, they offer a good value proposition for buyers looking for a practical, fuel-efficient, and stylish hatchback. The 2.0 CD variant remains a popular choice for those seeking a balance of economy and usability.


