The Pontiac Grand Am (H) 2.4i Automatic, produced from 1992 to 1998, represented a significant offering in the American mid-size sedan market. Positioned as a comfortable and relatively affordable option, this variant utilized a 2.4-liter inline-four engine paired with a three-speed automatic transmission. It occupied a middle ground within the Grand Am lineup, offering a step up from the base models while remaining more accessible than the sportier trims. The “H” designation refers to the vehicle’s generation, built on the N-body platform shared with other GM vehicles like the Buick Skylark and Oldsmobile Achieva.
Technical Specifications
| Brand | Pontiac |
| Model | Grand AM |
| Generation | Grand AM (H) |
| Type (Engine) | 2.4i (152 Hp) Automatic |
| Start of production | 1992 |
| End of production | 1998 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13 l/100 km (18.1 US mpg, 21.7 UK mpg, 7.7 km/l) |
| Fuel consumption (extra urban) | 7 l/100 km (33.6 US mpg, 40.4 UK mpg, 14.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 9.3 kg/Hp (107.4 Hp/tonne) |
| Weight-to-torque ratio | 6.7 kg/Nm (148.4 Nm/tonne) |
| Power | 152 Hp @ 5600 rpm |
| Power per litre | 63.5 Hp/l |
| Torque | 210 Nm @ 4400 rpm (154.89 lb.-ft. @ 4400 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | LD9 |
| Engine displacement | 2392 cm3 (145.97 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 90 mm (3.54 in.) |
| Piston Stroke | 94 mm (3.7 in.) |
| Compression ratio | 9.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 3.8 l (4.02 US qt | 3.34 UK qt) |
| Coolant | 9.8 l (10.36 US qt | 8.62 UK qt) |
| Kerb Weight | 1415 kg (3119.54 lbs.) |
| Trunk (boot) space – minimum | 415 l (14.66 cu. ft.) |
| Fuel tank capacity | 57 l (15.06 US gal | 12.54 UK gal) |
| Length | 4730 mm (186.22 in.) |
| Width | 1790 mm (70.47 in.) |
| Height | 1400 mm (55.12 in.) |
| Wheelbase | 2718 mm (107.01 in.) |
| Front track | 1500 mm (59.06 in.) |
| Rear (Back) track | 1500 mm (59.06 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 3 gears, automatic transmission |
| Front suspension | Spring Strut |
| Rear suspension | Spring Strut |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 215/60 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the Grand Am 2.4i Automatic was the LD9 engine, a 2.4-liter (2392 cc) inline-four cylinder powerplant. This engine featured a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its relatively efficient breathing. Fuel delivery was handled by a multi-port fuel injection system, optimizing the air-fuel mixture for improved performance and reduced emissions. The LD9 produced 152 horsepower at 5600 rpm and 210 Nm (155 lb-ft) of torque at 4400 rpm. Paired with this engine was a three-speed automatic transmission, a common choice for buyers prioritizing ease of use over outright performance. This transmission, while reliable, was not known for its responsiveness or fuel efficiency compared to more modern automatic gearboxes.
Driving Characteristics
The 2.4i Automatic Grand Am offered a comfortable, if not particularly exciting, driving experience. Acceleration was adequate for everyday driving, but the three-speed automatic limited its ability to deliver quick bursts of power. The gear ratios were tuned for fuel economy and smooth cruising rather than sporty acceleration. Compared to the five-speed manual transmission available on other Grand Am trims, the automatic version felt noticeably slower. The automatic transmission also lacked the engine braking benefits of a manual, requiring more reliance on the brakes during descents. Handling was typical for a front-wheel-drive sedan of its era – predictable and safe, but not particularly engaging.
Equipment & Trim Levels
The 2.4i Automatic trim generally included standard features such as air conditioning, power steering, an AM/FM stereo, and cloth upholstery. Power windows and door locks were often included, but could sometimes be optional depending on the specific package. Optional extras included a sunroof, upgraded sound system, and alloy wheels. Interior appointments were functional and durable, prioritizing practicality over luxury. The dashboard layout was straightforward and easy to use, with clearly labeled controls.
Chassis & Braking
The Grand Am (H) utilized a front-wheel-drive chassis with independent front suspension featuring MacPherson struts and a multi-link rear suspension. This setup provided a reasonably comfortable ride, absorbing bumps and imperfections in the road surface effectively. Braking duties were handled by ventilated discs at the front and drum brakes at the rear. Anti-lock braking system (ABS) was available, enhancing safety by preventing wheel lockup during hard braking. Steering was rack-and-pinion, providing precise and responsive control.
Market Reception & Comparison
The Grand Am 2.4i Automatic was generally well-received by consumers seeking a practical and affordable mid-size sedan. Critics noted its comfortable ride and spacious interior, but also pointed out its unremarkable performance and somewhat dated styling. Compared to the more powerful Grand Am GT with its 3.1-liter V6 engine, the 2.4i Automatic offered significantly less performance. However, it provided better fuel economy and a lower purchase price. Against competitors like the Honda Accord and Toyota Camry, the Grand Am offered a more affordable alternative, but often lacked the refinement and reputation for reliability of the Japanese imports.
Legacy
The Pontiac Grand Am 2.4i Automatic, while not a standout performer, proved to be a reliable and durable vehicle. The LD9 engine, when properly maintained, could provide many years of service. Today, these vehicles are relatively common in the used car market, often available at very affordable prices. However, due to their age, potential buyers should be aware of potential maintenance issues such as rust, worn suspension components, and aging automatic transmissions. The Grand Am 2.4i Automatic represents a snapshot of American automotive engineering in the 1990s – a practical, comfortable, and affordable sedan designed for the everyday driver.
