The Pontiac Grand Am (H) 2.4i 16V SE, produced from 1998 to 2002, represented a significant iteration of Pontiac’s popular compact sedan. Positioned as a mid-range offering within the fourth generation Grand Am lineup (designated H), this variant aimed to balance performance and affordability for the American family car market. It was built on the GM N-body platform, shared with other vehicles like the Buick Skylark and Oldsmobile Alero. The 2.4i SE trim offered a step up from the base models, providing increased horsepower and a more refined driving experience while remaining accessible to a broad customer base.
Technical Specifications
| Brand | Pontiac |
| Model | Grand AM |
| Generation | Grand AM (H) |
| Type (Engine) | 2.4 i 16V SE (152 Hp) |
| Start of production | 1998 |
| End of production | 2002 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13 l/100 km (18.1 US mpg) |
| Fuel consumption (extra urban) | 7 l/100 km (33.6 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 9.3 kg/Hp |
| Weight-to-torque ratio | 6.7 kg/Nm |
| 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 | 10.7 l (11.31 US qt | 9.41 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 | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual 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 |
Powertrain & Engine Architecture
The heart of the Grand Am 2.4i SE was the LD9 2.4-liter inline-four cylinder engine. This engine was a member of GM’s Ecotec family, known for its relatively lightweight construction and decent fuel efficiency. The LD9 featured a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its improved breathing and power output compared to older pushrod designs. Fuel delivery was handled by a multi-port fuel injection system, precisely metering fuel into each intake port. The engine’s 9.5:1 compression ratio was a compromise between performance and the ability to run on readily available 87 octane gasoline. The five-speed manual transmission was the standard offering, providing drivers with direct control over the engine’s power. The transmission was designed for durability and relatively smooth shifting, though it wasn’t known for sporty performance.
Driving Characteristics
The 152 horsepower and 155 lb-ft of torque produced by the LD9 engine provided adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph typically took around 9-10 seconds. The five-speed manual transmission allowed drivers to keep the engine in its optimal power band, resulting in a more responsive driving experience than the optional four-speed automatic. The gear ratios were fairly conservative, prioritizing fuel economy over outright acceleration. Compared to the higher-output 3.4-liter V6 Grand Am models, the 2.4i felt noticeably less powerful, especially when fully loaded with passengers or cargo. However, the 2.4i offered a more balanced driving experience, with less front-wheel drive torque steer and better fuel economy.
Equipment & Trim Levels
The Grand Am 2.4i SE trim included a number of standard features designed to enhance comfort and convenience. These typically included air conditioning, power windows and locks, a CD player, and cloth upholstery. Optional extras included a sunroof, upgraded sound system, and alloy wheels. The interior design was functional and straightforward, with a focus on ergonomics. The dashboard layout was typical of GM vehicles of the era, with clearly labeled controls and a relatively simple instrument cluster. The SE trim offered a step up in interior materials compared to the base models, with slightly more comfortable seats and improved trim finishes.
Chassis & Braking
The Grand Am (H) utilized a front-wheel-drive layout with independent front suspension and a semi-independent twist-beam rear suspension. The front suspension consisted of MacPherson struts, while the rear suspension employed a compact twist-beam design to save space and reduce cost. The braking system featured ventilated discs on the front wheels and drum brakes on the rear. Anti-lock brakes (ABS) were standard equipment, enhancing safety by preventing wheel lockup during hard braking. The steering system was a rack-and-pinion setup with hydraulic power assist, providing responsive and relatively precise steering feel. Stabilizer bars were included at both the front and rear to reduce body roll during cornering.
Market Reception & Comparison
The Grand Am 2.4i SE was generally well-received by automotive critics as a practical and affordable family sedan. It was praised for its comfortable ride, spacious interior, and decent fuel economy. However, it was often criticized for its somewhat bland styling and lack of sporty handling. Compared to other compact sedans of the era, such as the Honda Civic and Toyota Corolla, the Grand Am offered more interior space but less refinement and driving enjoyment. The 2.4i SE trim offered a good value proposition, providing a balance of features and performance at a competitive price point. The V6 models were favored by those seeking more power, while the base 2.2-liter engine offered even greater fuel economy at the expense of performance.
Legacy
The LD9 2.4-liter engine proved to be a relatively reliable powertrain, with many examples exceeding 200,000 miles with proper maintenance. Common issues included oil leaks and occasional sensor failures, but these were generally not major concerns. Today, the Grand Am 2.4i SE can be found on the used car market at very affordable prices. While it may not offer the same level of sophistication as more modern vehicles, it remains a practical and dependable option for those seeking a budget-friendly transportation solution. Its simplicity and relatively low maintenance costs make it an attractive choice for first-time car owners or those looking for a reliable commuter vehicle.
