The Mazda 6 III Sedan (GJ) 2.5 SKYACTIV-G with the i-ELOOP automatic transmission represents a significant iteration in Mazda’s mid-size sedan offering. Produced from 2012 to 2015, this variant occupied a prominent position within the GJ generation, known for its blend of fuel efficiency, performance, and sophisticated styling. It was a key model in Mazda’s push towards its SKYACTIV technology suite, aiming to deliver a more engaging driving experience while reducing environmental impact. This particular configuration, pairing the 2.5-liter SKYACTIV-G engine with a six-speed automatic, was positioned as a mid-to-upper trim level, offering a step up in performance and features compared to the base 2.0-liter models.
Technical Specifications
| Brand | Mazda |
| Model | 6 |
| Generation | 6 III Sedan (GJ) |
| Type (Engine) | 2.5 SKYACTIV-G (192 Hp) i-ELOOP Automatic |
| Start of production | 2012 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.5 l/100 km (27.7 US mpg) |
| Fuel consumption (extra urban) | 5 l/100 km (47 US mpg) |
| Fuel consumption (combined) | 6.3 l/100 km (37.3 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 62 mph | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.1 kg/Hp |
| Weight-to-torque ratio | 5.3 kg/Nm |
| Power | 192 Hp @ 5700 rpm |
| Torque | 256 Nm @ 3250 rpm (188.82 lb.-ft. @ 3250 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 2488 cm3 (151.83 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 13:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine oil capacity | 4.5 l (4.76 US qt | 3.96 UK qt) |
| Coolant capacity | 7.3 l (7.71 US qt | 6.42 UK qt) |
| Kerb Weight | 1360 kg (2998.29 lbs) |
| Trunk (boot) space – minimum | 489 l (17.27 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Length | 4865 mm (191.54 in) |
| Width | 1840 mm (72.44 in) |
| Height | 1450 mm (57.09 in) |
| Wheelbase | 2830 mm (111.42 in) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
Powertrain & Engine Architecture
At the heart of the Mazda 6 2.5 SKYACTIV-G i-ELOOP Automatic lies the PY-VPS engine, a 2.5-liter inline-four cylinder gasoline engine. This engine is a cornerstone of Mazda’s SKYACTIV technology, designed for high compression (13:1) and optimized combustion. The direct injection system precisely meters fuel into the cylinders, enhancing efficiency and power output. The engine utilizes a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, further contributing to its breathing efficiency. The i-ELOOP system, Mazda’s kinetic energy recovery system, captures energy during braking and stores it in a capacitor, providing a boost during acceleration and reducing the load on the alternator. This contributes to improved fuel economy. The six-speed automatic transmission was specifically tuned to complement the engine’s characteristics, offering smooth shifts and responsive performance. It features a torque converter lock-up clutch to minimize slippage and improve efficiency.
Driving Characteristics
The 192 horsepower and 188.82 lb-ft of torque delivered by this powertrain configuration provided a noticeably more spirited driving experience compared to the base 2.0-liter engine. Acceleration from 0-60 mph in approximately 7.4 seconds was respectable for the segment. The automatic transmission, while smooth, wasn’t as aggressively geared as some competitors, prioritizing comfort and fuel economy over outright performance. The i-ELOOP system provided a subtle but noticeable boost during acceleration, particularly in city driving. Compared to the manual transmission versions of the 2.5-liter engine, the automatic offered less driver engagement but greater convenience. It also provided a smoother, more refined ride quality, making it well-suited for long highway journeys.
Equipment & Trim Levels
The 2.5 SKYACTIV-G i-ELOOP Automatic typically came equipped as a mid-to-upper trim level, often designated as the “Grand Touring” or similar. Standard features generally included alloy wheels, a premium audio system, Bluetooth connectivity, a touchscreen infotainment system, and automatic climate control. Interior upholstery was typically cloth or leatherette, with options for full leather available. Additional features like a sunroof, navigation system, and advanced safety technologies (blind spot monitoring, lane departure warning) were often offered as optional extras. The dashboard layout was clean and modern, with a focus on driver ergonomics.
Chassis & Braking
The Mazda 6 GJ 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. Stabilizer bars were standard on both axles to reduce body roll during cornering. Braking systems varied depending on the specific trim level, with lower trims often featuring front disc brakes and rear drum brakes, while higher trims received four-wheel disc brakes. Anti-lock Braking System (ABS) was standard across all trims, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The Mazda 6 III Sedan (GJ) 2.5 SKYACTIV-G i-ELOOP Automatic was generally well-received by automotive critics. It was praised for its stylish design, fuel efficiency, and engaging driving dynamics. The SKYACTIV technology was seen as a significant step forward in automotive engineering. Compared to competitors like the Honda Accord, Toyota Camry, and Ford Fusion, the Mazda 6 offered a more sporty driving experience and a more premium interior. Fuel economy was competitive, although not class-leading. Reliability was generally good, with few widespread issues reported. However, some critics noted that the automatic transmission could feel slightly less responsive than some competitors.
Legacy
The 2.5-liter SKYACTIV-G engine and six-speed automatic transmission have proven to be remarkably reliable powertrains. In the used car market, the Mazda 6 GJ 2.5 SKYACTIV-G i-ELOOP Automatic holds its value relatively well, due to its reputation for reliability and fuel efficiency. Routine maintenance, such as oil changes and timing chain inspections, is crucial for long-term durability. The i-ELOOP system, while innovative, has shown to be generally dependable, with few reported failures. This variant of the Mazda 6 remains a popular choice for buyers seeking a well-rounded, reliable, and enjoyable mid-size sedan.


