2002-2005 Pontiac Sunfire Coupe 2.2i 16V Ecotec (141 Hp) Automatic

The Pontiac Sunfire Coupe 2.2i 16V Ecotec Automatic, produced between 2002 and June 2005, represented a key offering in Pontiac’s compact car lineup. Positioned as a relatively affordable and stylish coupe, it was part of the broader Sunfire range which aimed to provide a sporty alternative to more practical sedans. This particular variant, equipped with the 2.2-liter Ecotec engine and a four-speed automatic transmission, served as a mid-range option, bridging the gap between the base model and any potential performance-oriented trims. It was primarily marketed towards buyers seeking a comfortable, fuel-efficient, and visually appealing coupe for daily commuting and personal transportation within the North American market.

Technical Specifications

Brand Pontiac
Model Sunfire
Generation Sunfire Coupe
Type (Engine) 2.2i 16V Ecotec (141 Hp) Automatic
Start of production 2002
End of production June, 2005
Powertrain Architecture Internal Combustion engine
Body type Coupe
Seats 5
Doors 2
Fuel consumption (urban) 10.2 l/100 km (23.1 US mpg)
Fuel consumption (extra urban) 7.3 l/100 km (32.2 US mpg)
Fuel consumption (combined) 8.7 l/100 km (27 US mpg)
Fuel Type Petrol (Gasoline)
Maximum speed 190 km/h (118.06 mph)
Weight-to-power ratio 9.1 kg/Hp
Weight-to-torque ratio 6.3 kg/Nm
Power 141 Hp @ 5600 rpm
Power per litre 64.1 Hp/l
Torque 203 Nm @ 4000 rpm (149.73 lb.-ft. @ 4000 rpm)
Engine layout Front, Transverse
Engine Model/Code L61
Engine displacement 2198 cm3 (134.13 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 86 mm (3.39 in.)
Piston Stroke 94.6 mm (3.72 in.)
Compression ratio 10:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC
Engine oil capacity 4.8 l (5.07 US qt | 4.22 UK qt)
Coolant 8.2 l (8.66 US qt | 7.21 UK qt)
Kerb Weight 1280 kg (2821.92 lbs.)
Trunk (boot) space – minimum 351 l (12.4 cu. ft.)
Fuel tank capacity 58 l (15.32 US gal | 12.76 UK gal)
Length 4622 mm (181.97 in.)
Width 1738 mm (68.43 in.)
Height 1351 mm (53.19 in.)
Wheelbase 2644 mm (104.09 in.)
Front track 1462 mm (57.56 in.)
Rear (Back) track 1442 mm (56.77 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 4 gears, automatic transmission
Front suspension Wishbone
Rear suspension Trailing arm
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 195/65 R15
Wheel rims size 15

Powertrain & Engine Architecture

The heart of this Sunfire variant is the 2.2-liter L61 Ecotec inline-four cylinder engine. This engine, part of General Motors’ Ecotec family, was designed for a balance of fuel efficiency and adequate performance. It features a cast iron block and an aluminum cylinder head, incorporating dual overhead camshafts (DOHC) and four valves per cylinder. The multi-port fuel injection system delivers fuel directly to each intake port, optimizing combustion. The L61 engine produced 141 horsepower at 5600 rpm and 203 Nm (149.73 lb-ft) of torque at 4000 rpm. Paired with this engine was a four-speed automatic transmission, offering smooth shifts but lacking the responsiveness of a manual gearbox. This automatic transmission was a common choice for buyers prioritizing convenience over sporty driving dynamics.

Driving Characteristics

The 2.2i Automatic Sunfire offered a comfortable, if not particularly exhilarating, driving experience. Acceleration was adequate for everyday driving, but the 0-60 mph time was likely in the 9-10 second range. The automatic transmission, while smooth, contributed to a noticeable delay in response compared to the available manual transmission. The gear ratios were tuned for fuel economy rather than outright performance. In real-world conditions, the car felt most comfortable cruising at highway speeds, where the engine operated efficiently. Compared to potential higher-output versions (had they been offered), this variant prioritized fuel economy and ease of use over sporty handling and quick acceleration.

Equipment & Trim Levels

The 2.2i Automatic Sunfire typically came standard with features such as air conditioning, power windows and locks, an AM/FM stereo, and basic cloth upholstery. Optional extras included a CD player, upgraded sound system, power sunroof, and alloy wheels. Interior trim was generally functional and straightforward, with a focus on durability rather than luxury. The dashboard layout was typical of early 2000s GM vehicles, with clearly marked controls and a relatively simple design. Safety features included dual front airbags and ABS (Anti-lock Braking System).

Chassis & Braking

The Sunfire Coupe utilized a front-wheel-drive layout with an independent wishbone front suspension and a trailing arm rear suspension. This suspension setup provided a reasonably comfortable ride, although it wasn’t particularly sporty. The front brakes were ventilated discs, offering adequate stopping power, while the rear brakes were drums, a cost-saving measure common in this class of vehicle. Steering was rack-and-pinion with hydraulic power assist, providing light and easy steering feel. The standard tire size was 195/65 R15, mounted on 15-inch steel or alloy wheels.

Market Reception & Comparison

The Pontiac Sunfire 2.2i Automatic received mixed reviews. Critics generally praised its affordability and fuel efficiency but found its performance to be somewhat underwhelming. Compared to other trims in the Sunfire lineup, the 2.2i Automatic offered a more accessible price point but sacrificed some of the driving excitement of the manual transmission or any potential higher-performance variants. In terms of fuel economy, it performed competitively with other compact coupes of the era. Reliability was generally considered average, with some reports of minor issues with the automatic transmission and fuel injection system.

Legacy

The Pontiac Sunfire, and specifically the 2.2i Automatic variant, has become a relatively affordable and readily available used car. The L61 Ecotec engine is known for its generally good reliability, although regular maintenance is crucial. Parts availability is generally good, as the engine and many other components were shared with other GM vehicles. Today, these Sunfires are often sought after by budget-conscious buyers or those looking for a simple and reliable transportation option. While not a collector’s item, the 2.2i Automatic Sunfire represents a common and practical example of early 2000s American automotive design.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top