The GMC Sierra 1500 V, specifically the Crew Cab Short Box configuration with the 2.7-liter turbocharged engine introduced with the GMTT1XX facelift in 2022, represents a significant offering in the highly competitive full-size pickup truck segment. This variant aimed to bridge the gap between more basic work trucks and the higher-trim, more luxurious Sierra models. Production began in 2022 and continues through the current model year, offering a blend of capability, technology, and relative fuel efficiency for the American truck buyer. It’s positioned as a mid-range option, appealing to buyers who need the space and utility of a full-size truck but don’t necessarily require the maximum towing capacity or premium features of the Denali or AT4 trims.
Technical Specifications
| Brand | GMC |
| Model | Sierra 1500 |
| Generation | Sierra 1500 V (GMTT1XX, facelift 2022) Crew Cab Short Box |
| 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 | 7 kg/Hp |
| Weight-to-torque ratio | 4.6 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 | 2155 kg (4750.96 lbs.) |
| Max. weight | 3084 kg (6799.06 lbs.) |
| Max load | 929 kg (2048.09 lbs.) |
| Fuel tank capacity | 91 l (24.04 US gal | 20.02 UK gal) |
| Permitted trailer load with brakes (12%) | 4082 kg (8999.27 lbs.) |
| Length | 5891 mm (231.93 in.) |
| Width | 2063 mm (81.22 in.) |
| Width including mirrors | 2478 mm (97.56 in.) |
| Height | 1917 mm (75.47 in.) |
| Wheelbase | 3745 mm (147.44 in.) |
| Ride height (ground clearance) | 200 mm (7.87 in.) |
| Approach angle | 18.7° |
| Departure angle | 23.7° |
| Ramp-over (brakeover) angle | 19.2° |
| 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 heart of this Sierra 1500 variant is the GM L3B 2.7-liter turbocharged inline-four engine. This engine utilizes direct injection and a twin-scroll turbocharger to deliver a respectable 310 horsepower and 473 lb-ft of torque. The engine incorporates features like Active Fuel Management (cylinder deactivation) and a Start/Stop system to improve fuel economy. The L3B engine is a significant departure from traditional American V6 and V8 offerings, representing GM’s push for more efficient powertrains. The engine is longitudinally mounted, driving the rear wheels through an eight-speed automatic transmission (8L45). This transmission is known for its smooth shifting and wide gear ratios, contributing to both fuel efficiency and usable power across a range of driving conditions. The 8L45 is a common transmission found in many GM vehicles, known for its reliability when properly maintained.
Driving Characteristics
The 2.7-liter turbo engine provides adequate power for everyday driving and light-duty hauling. While it doesn’t offer the brute force of the larger V8 engines available in the Sierra lineup, the turbocharger provides a noticeable boost in acceleration, particularly when merging onto highways or passing other vehicles. The eight-speed automatic transmission is well-tuned, offering smooth and timely shifts. Compared to the 5.3L V8, the 2.7T feels less effortless in towing situations, but it compensates with better fuel economy. The gear ratios are optimized for both low-end torque and highway cruising. The rear-wheel-drive configuration provides a traditional truck feel, while available four-wheel drive enhances traction in inclement weather or off-road conditions.
Equipment & Trim Levels
The 2.7-liter turbo engine was typically offered in the SLE and Elevation trims of the Sierra 1500. Standard features generally included an 8-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, a rearview camera, and keyless entry. Higher trims added features like leather upholstery, heated and ventilated front seats, a larger touchscreen display, and advanced safety technologies such as automatic emergency braking and lane departure warning. Optional extras included a premium audio system, a power-adjustable steering column, and a trailering package. The interior materials were generally durable and functional, reflecting the truck’s work-oriented nature.
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 most driving situations. ABS (Anti-lock Braking System) is standard. The rear brakes are slightly smaller in diameter than the front brakes, reflecting the weight distribution of the vehicle. Steering is rack-and-pinion with electric power assist, offering a responsive and precise feel.
Market Reception & Comparison
The 2.7-liter turbo Sierra 1500 received mixed reviews. Critics praised its fuel efficiency and surprisingly strong torque output, but some found the engine’s sound to be less appealing than traditional V8 engines. Compared to the 5.3L V8, the 2.7T offered better fuel economy (around 20-22 mpg combined) but less overall power and towing capacity. The 2.7T was often seen as a good value proposition for buyers who didn’t need the maximum capability of the larger engines. Reliability has been generally good, with the L3B engine proving to be relatively durable. However, some owners have reported issues with the turbocharger and fuel injection system.
Legacy
The 2.7-liter turbocharged Sierra 1500 represents a significant step in GM’s efforts to offer more fuel-efficient and technologically advanced pickup trucks. While it may not have the same iconic status as the traditional V8-powered Sierras, it has proven to be a popular choice for buyers who prioritize fuel economy and value. On the used car market, these models offer a compelling combination of features and affordability. The L3B engine, when properly maintained, is expected to provide many years of reliable service. As fuel prices continue to rise and environmental concerns grow, the 2.7-liter turbo Sierra 1500 is likely to become an increasingly attractive option for truck buyers.
