The GMC Sierra 1500 V, specifically the Double Cab configuration equipped with the 2.7-liter Turbo engine and an 8-speed automatic transmission, is a notable offering in the full-size pickup truck segment. Introduced with the GMTT1XX platform facelift in 2022, this variant aimed to strike a balance between capability, efficiency, and affordability within the broader Sierra 1500 lineup. It appeals to buyers needing a versatile truck for both work and personal use, without the premium cost associated with larger engines or higher trim levels. The 2022 model year marked a significant refresh for the Sierra 1500, incorporating updated styling, technology, and powertrain refinements.
Technical Specifications
| Brand | GMC |
| Model | Sierra 1500 |
| Generation | Sierra 1500 V (GMTT1XX, facelift 2022) Double Cab |
| Type (Engine) | 2.7 Turbo (310 Hp) Automatic |
| Start of production | 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 12.4 l/100 km (19 US mpg) |
| Fuel consumption (extra urban) | 10.7 l/100 km (22 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.9 kg/Hp |
| Weight-to-torque ratio | 4.5 kg/Nm |
| Power | 310 Hp @ 5600 rpm |
| Power per litre | 113.7 Hp/l |
| Torque | 473 Nm @ 1500-4000 rpm (348.87 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L3B |
| Engine displacement | 2727 cm3 (166.41 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 92.25 mm (3.63 in.) |
| Piston Stroke | 102 mm (4.02 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC, VVT DI |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant capacity | 11.8 l (12.47 US qt | 10.38 UK qt) |
| Kerb Weight | 2145 kg (4728.92 lbs.) |
| Max. weight | 3084 kg (6799.06 lbs.) |
| Max load | 939 kg (2070.14 lbs.) |
| Fuel tank capacity | 91 l (24.04 US gal | 20.02 UK gal) |
| Permitted trailer load with brakes (12%) | 4173 kg (9199.89 lbs.) |
| Length | 5891 mm (231.93 in.) |
| Width | 2063 mm (81.22 in.) |
| Width including mirrors | 2478 mm (97.56 in.) |
| Height | 1921 mm (75.63 in.) |
| Wheelbase | 3745 mm (147.44 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Approach angle | 18.6° |
| Departure angle | 24.1° |
| Ramp-over (brakeover) angle | 19.3° |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 8 gears, automatic transmission |
| Front suspension | Independent coil spring |
| Rear suspension | Rigid axle suspension, Leaf spring |
| Front brakes | Ventilated discs, 330×30 mm |
| Rear brakes | Ventilated discs, 345×20 mm |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 255/70 R17; 265/70 R17; 265/65 R18 |
| Wheel rims size | 8.0J x 17; 8.5J x 18 |
Powertrain & Engine Architecture
The core of this Sierra 1500 variant is the L3B 2.7-liter turbocharged inline-four cylinder engine. This engine employs direct injection and a twin-scroll turbocharger to generate 310 horsepower and 473 lb-ft of torque. It incorporates active fuel management (cylinder deactivation) and an auto start/stop system to enhance fuel economy. The 8-speed automatic transmission (likely a GM 8L45 or similar) is specifically calibrated to complement the engine’s torque curve, delivering smooth shifts and efficient power delivery. This transmission features electronically controlled shifting and overdrive for comfortable highway cruising. The engine is mounted longitudinally, a common layout for rear-wheel-drive trucks, and is engineered for durability and reliability under demanding conditions.
Driving Characteristics
The 2.7-liter turbo engine provides a surprisingly capable driving experience for a full-size pickup. While it doesn’t match the outright power of the larger V8 options, it delivers ample torque for everyday tasks, towing, and hauling. The automatic transmission is well-matched to the engine, offering smooth and responsive shifts. The gear ratios are optimized for both acceleration and fuel efficiency. Compared to the more powerful 5.3L or 6.2L V8 engines, this variant offers a more refined and fuel-conscious driving experience. However, it may feel less confident when heavily loaded or navigating steep inclines. The rear-wheel-drive configuration provides a traditional truck feel, while available four-wheel-drive systems improve traction in challenging conditions.
Equipment & Trim Levels
The 2.7-liter turbo engine was typically offered on the SLE, Elevation, and AT4 trim levels of the Sierra 1500. Standard features generally included a user-friendly infotainment system with Apple CarPlay and Android Auto compatibility, a rearview camera, and basic safety features such as automatic emergency braking. Higher trims added features like leather upholstery, heated and ventilated seats, a premium audio system, and advanced driver-assistance technologies like adaptive cruise control and lane-keeping assist. Optional extras included a power sunroof, a bed liner, and various towing packages.
Chassis & Braking
The Sierra 1500 utilizes a body-on-frame construction, providing a robust and durable platform. The front suspension consists of independent coil springs, while the rear suspension employs a traditional leaf spring setup. This configuration balances ride comfort with load-carrying capacity. The braking system features ventilated discs on all four wheels, providing adequate stopping power for the truck’s weight. Anti-lock brakes (ABS) are standard, along with electronic stability control. The steering system is a rack-and-pinion setup with electric power steering, offering precise and responsive handling.
Market Reception & Comparison
The 2.7-liter turbo Sierra 1500 received generally positive reviews for its fuel efficiency and surprisingly strong performance. Critics highlighted that it offered a compelling alternative to the larger, more expensive V8 engines, particularly for buyers prioritizing fuel economy and everyday usability. Compared to competitors like the Ford F-150 with its EcoBoost engines and the Ram 1500 with its V6 options, the Sierra 1500 2.7T offered a competitive blend of power, efficiency, and features. However, some reviewers found the engine’s sound to be less appealing than the traditional V8 rumble.
Legacy
The L3B 2.7-liter turbo engine has proven to be a relatively reliable powertrain in the Sierra 1500. While some early models experienced minor issues with the turbocharger or fuel system, these were generally resolved through software updates and warranty repairs. In the used car market, this variant represents a good value, offering a capable and efficient pickup truck at a more affordable price point than the V8 models. Its combination of power, fuel economy, and features makes it a popular choice for buyers seeking a versatile and practical truck.
