The Mazda 6 (GG/GY/GG1 series) facelift of 2005 represented a significant refresh of Mazda’s mid-size sedan, aiming to elevate its appeal in a competitive segment. Produced from 2005 through 2008, this generation of the 6 built upon the success of the original GG platform, introducing revised styling, improved interior materials, and updated engine options. The 2.3-liter variant, producing 166 horsepower, occupied a middle ground in the lineup, offering a balance between performance and fuel economy. It was positioned above the base 2.0-liter engine and below the more powerful V6 options available in some markets. This model was primarily sold in North America, Europe, and Australia, targeting buyers seeking a stylish and reliable family sedan.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | 6 I Sedan (Typ GG/GY/GG1 facelift 2005) |
| Type (Engine) | 2.3 (166 Hp) |
| Start of production | 2005 |
| End of production | 2008 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.7 l/100 km (20.1 US mpg) |
| Fuel consumption (extra urban) | 6.9 l/100 km (34.1 US mpg) |
| Fuel consumption (combined) | 8.7 l/100 km (27 US mpg) |
| CO2 emissions | 207 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.9 sec |
| Acceleration 0 – 62 mph | 8.9 sec |
| Acceleration 0 – 60 mph | 8.5 sec |
| Maximum speed | 214 km/h (132.97 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 8.2 kg/Hp |
| Weight-to-torque ratio | 6.5 kg/Nm |
| Power | 166 Hp @ 6500 rpm |
| Torque | 207 Nm @ 4000 rpm (152.68 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | L3C1 |
| Engine displacement | 2261 cm3 (137.97 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 87.5 mm (3.44 in.) |
| Piston Stroke | 94 mm (3.7 in.) |
| Compression ratio | 10.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant | 7 l (7.4 US qt | 6.16 UK qt) |
| Kerb Weight | 1355 kg (2987.26 lbs.) |
| Max. weight | 1905 kg (4199.81 lbs.) |
| Max load | 550 kg (1212.54 lbs.) |
| Trunk (boot) space – minimum | 501 l (17.69 cu. ft.) |
| Fuel tank capacity | 64 l (16.91 US gal | 14.08 UK gal) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 550 kg (1212.54 lbs.) |
| Length | 4690 mm (184.65 in.) |
| Width | 1780 mm (70.08 in.) |
| Height | 1435 mm (56.5 in.) |
| Wheelbase | 2675 mm (105.31 in.) |
| Front track | 1540 mm (60.63 in.) |
| Rear (Back) track | 1540 mm (60.63 in.) |
| Ride height (ground clearance) | 130 mm (5.12 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 10.8 m (35.43 ft.) |
| Drivetrain Architecture | Front wheel drive |
| 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 |
| Tires size | 215/45 R17 V |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of this Mazda 6 variant is the L3C1 engine, a 2.3-liter inline-four cylinder gasoline engine. This engine is part of Mazda’s L-series, known for its relatively lightweight construction and responsive nature. The L3C1 features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its good breathing characteristics. Fuel delivery is managed by a multi-port fuel injection system, providing precise fuel metering for optimal combustion. The engine’s 10.6:1 compression ratio strikes a balance between efficiency and performance. The 6-speed manual transmission was standard, offering drivers precise control over the engine’s powerband. The transmission’s gear ratios were tuned to provide a blend of acceleration and highway cruising efficiency.
Driving Characteristics
The 2.3-liter engine in the Mazda 6 provided a noticeable step up in performance compared to the base 2.0-liter engine. While not as overtly sporty as the V6 options available in some markets, the 166 horsepower and 152.68 lb-ft of torque delivered adequate acceleration for everyday driving and highway merging. The 0-60 mph time of around 8.5 seconds was respectable for its class. The 6-speed manual transmission allowed drivers to keep the engine in its optimal power range, enhancing responsiveness. Compared to automatic transmission equipped models, the manual offered a more engaging driving experience and slightly improved fuel economy. The suspension was tuned for a comfortable ride, but also provided reasonably controlled handling.
Equipment & Trim Levels
The 2.3-liter Mazda 6 typically came with a fairly comprehensive list of standard features. These included air conditioning, power windows and locks, a CD player with auxiliary input, and ABS brakes. Higher trim levels, such as the Grand Touring, added features like leather upholstery, a sunroof, automatic climate control, and premium audio systems. Optional extras included navigation systems and upgraded wheel designs. Interior upholstery was typically cloth on the base models, with leather available on higher trims. The dashboard layout was functional and driver-focused, with easy-to-read gauges and well-placed controls.
Chassis & Braking
The Mazda 6 utilized a front-engine, front-wheel-drive layout. The suspension consisted of MacPherson struts in the front and multi-link suspension in the rear, providing a good balance of ride comfort and handling. The braking system featured ventilated discs in the front and solid discs in the rear, providing adequate stopping power. ABS (Anti-lock Braking System) was standard, enhancing safety during emergency braking situations. The chassis was designed to be rigid, contributing to the car’s overall stability and handling characteristics.
Market Reception & Comparison
The 2.3-liter Mazda 6 was generally well-received by automotive critics. It was praised for its stylish design, comfortable interior, and responsive handling. The engine was considered a good compromise between performance and fuel economy. Compared to competitors like the Honda Accord and Toyota Camry, the Mazda 6 offered a more engaging driving experience. However, some critics noted that the interior materials weren’t quite as refined as those found in some of its rivals. Fuel economy was competitive for its class, averaging around 27 mpg in combined driving. Reliability was generally good, although some owners reported minor issues with the electronic systems.
Legacy
The 2.3-liter engine in the Mazda 6 proved to be a reliable and durable powertrain. While not known for any groundbreaking innovations, it provided years of dependable service for many owners. Today, these cars can be found on the used car market at affordable prices. They represent a good value for buyers seeking a stylish and reliable mid-size sedan. Maintenance is relatively straightforward, and parts are readily available. The L3C1 engine is generally considered to be a robust unit, capable of high mileage with proper care. The Mazda 6 (GG/GY) remains a popular choice among enthusiasts who appreciate its blend of style, performance, and reliability.

