Technical Specifications
| Brand | Chevrolet |
| Model | Impala |
| Generation | Impala X |
| Type (Engine) | 3.6 V6 (305 Hp) Automatic |
| Start of production | 2013 |
| End of production | February, 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 12.3 l/100 km (19.1 US mpg) |
| Fuel consumption (extra urban) | 8.1 l/100 km (29 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5.6 kg/Hp |
| Weight-to-torque ratio | 4.8 kg/Nm |
| Power | 305 Hp @ 6800 rpm |
| Power per litre | 85.8 Hp/l |
| Torque | 358 Nm @ 5300 rpm (264.05 lb.-ft. @ 5300 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | LFX |
| Engine displacement | 3556 cm3 (217 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 94 mm (3.7 in.) |
| Piston Stroke | 85.6 mm (3.37 in.) |
| Compression ratio | 11.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant | 9.4 l (9.93 US qt | 8.27 UK qt) |
| Kerb Weight | 1717 kg (3785.34 lbs.) |
| Trunk (boot) space – minimum | 532 l (18.79 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Permitted trailer load with brakes (12%) | 454 kg (1000.9 lbs.) |
| Length | 5113 mm (201.3 in.) |
| Width | 1854 mm (72.99 in.) |
| Height | 1496 mm (58.9 in.) |
| Wheelbase | 2837 mm (111.69 in.) |
| Front track | 1580 mm (62.2 in.) |
| Rear (Back) track | 1576 mm (62.05 in.) |
| Minimum turning circle (turning diameter) | 11.75 m (38.55 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| 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 | 235/50 R18; 245/45 R19; 245/40 R20 |
| Wheel rims size | 18; 19; 20 |
The Chevrolet Impala X 3.6L V6 Automatic, produced from 2013 to 2020, was a cornerstone of Chevrolet’s full-size sedan lineup. Built on the GM Epsilon II platform (often referred to as the 1HX0/A3 platform internally), the Impala X aimed to provide a more modern and refined experience compared to its predecessors. This particular variant, with its 305 horsepower V6 and automatic transmission, was positioned as a sweet spot in the range, offering a balance between performance, fuel efficiency, and affordability. It competed directly with vehicles like the Ford Taurus, Toyota Avalon, and Chrysler 300.
Powertrain & Engine Architecture
At the heart of the Impala X 3.6L was the LFX engine, a 3.6-liter naturally aspirated V6. This engine utilized direct fuel injection, a technology that improved both power and fuel economy by precisely controlling the amount of fuel delivered to each cylinder. The engine featured a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for increased performance. The 6L48 six-speed automatic transmission was specifically chosen for its smooth shifting characteristics and efficiency. This transmission featured electronically controlled shifting and adaptive learning capabilities, adjusting to the driver’s style over time. The LFX engine was known for its relatively robust design and generally reliable operation. It represented a significant upgrade over the earlier 3.9L V6 offered in previous Impala generations.
Driving Characteristics
The 305 horsepower and 264 lb-ft of torque provided by the LFX V6 and 6L48 automatic combination delivered respectable acceleration. While not a sports sedan, the Impala X 3.6L could achieve 0-60 mph times in the low-to-mid 6-second range. The automatic transmission was tuned for comfort, with smooth gear changes and a focus on minimizing harshness. Compared to the base 2.5L four-cylinder engine, the V6 offered a significantly more responsive and refined driving experience. It also provided a noticeable advantage over the available eAssist mild-hybrid system in terms of outright power. The gear ratios were optimized for highway cruising, making it a comfortable long-distance vehicle. However, some reviewers noted that the transmission could occasionally feel hesitant during quick downshifts, particularly when attempting aggressive maneuvers. The overall driving experience was geared towards comfort and ease of use, rather than sporty handling.
Equipment & Trim Levels
The Impala X 3.6L typically came standard with a comprehensive list of features, including keyless entry, a touchscreen infotainment system with Bluetooth connectivity, a rearview camera, and automatic climate control. Higher trim levels, such as the LTZ, added features like leather upholstery, heated front seats, a premium sound system, and advanced safety technologies like blind-spot monitoring and rear cross-traffic alert. Optional extras included a sunroof, navigation system, and adaptive cruise control. Interior materials were generally of good quality, with a focus on providing a comfortable and spacious cabin. The LTZ trim, in particular, offered a more luxurious experience with upgraded materials and additional features. The base Impala offered a more value-oriented package, while the 3.6L engine was often paired with mid-range trims like the 1LT and 2LT.
Chassis & Braking
The Impala X featured an independent suspension system at all four corners. The front suspension utilized a McPherson strut design with coil springs and an anti-roll bar, while the rear suspension employed a multi-link setup, also with a stabilizer bar. This configuration provided a comfortable ride quality while maintaining reasonable handling characteristics. Braking duties were handled by ventilated discs at the front and solid discs at the rear. The inclusion of ABS (Anti-lock Braking System) was standard, enhancing safety during emergency braking situations. The steering system was an electric power-assisted rack and pinion setup, offering a light and responsive feel. The suspension tuning prioritized ride comfort over aggressive cornering, making it well-suited for everyday driving.
Market Reception & Comparison
The Impala X 3.6L Automatic received generally positive reviews from automotive critics. It was praised for its spacious interior, comfortable ride, and strong V6 engine. Fuel economy was considered acceptable for a full-size sedan, averaging around 19 mpg in the city and 29 mpg on the highway. Compared to the base 2.5L model, the V6 offered a significant performance upgrade, making it a more appealing option for drivers who prioritized power and responsiveness. However, some critics noted that the interior design was somewhat conservative and lacked the visual flair of some competitors. Reliability was generally good, although some owners reported minor issues with the infotainment system. Compared to the Ford Taurus, the Impala offered a more refined driving experience, while the Toyota Avalon was often praised for its superior reliability.
Legacy
The Chevrolet Impala X 3.6L V6 Automatic has established itself as a reliable and affordable used car option. The LFX V6 engine is known for its durability, and the 6L48 transmission has proven to be relatively trouble-free. While the Impala was discontinued in 2020, the model continues to be a popular choice for buyers seeking a spacious, comfortable, and well-equipped full-size sedan. Its blend of performance, features, and value has ensured its continued presence on the used car market, making it a practical and appealing option for budget-conscious consumers. The Impala X 3.6L represents a final chapter in the long history of the Impala nameplate, offering a compelling combination of American comfort and modern technology.
