The Oldsmobile Silhouette II, specifically the 3.4 V6 Long variant producing 182 horsepower, was a key model in Oldsmobile’s minivan lineup from 1996 through 2004. Part of the second generation of the Silhouette, this version occupied a mid-range position within the trim levels, offering a balance between performance and affordability. It shared its platform with the Chevrolet Venture, Pontiac Montana, and Buick Terraza, all falling under the U-body designation. The Silhouette II aimed to compete with established minivan players like the Dodge Caravan and Chrysler Town & Country, offering a comfortable and spacious interior geared towards families.
Technical Specifications
| Brand | Oldsmobile |
| Model | Silhouette |
| Generation | Silhouette II |
| Type (Engine) | 3.4 V6 Long (182 Hp) |
| Start of production | 1996 |
| End of production | 2004 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Minivan |
| Seats | 7 |
| Doors | 4 |
| Fuel consumption (urban) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg) |
| Fuel consumption (extra urban) | 9.4 l/100 km (25 US mpg, 30.1 UK mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 11 sec |
| Acceleration 0 – 62 mph | 11 sec |
| Acceleration 0 – 60 mph | 10.5 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 9.8 kg/Hp, 101.7 Hp/tonne |
| Weight-to-torque ratio | 6.4 kg/Nm, 155.9 Nm/tonne |
| Power | 182 Hp @ 5200 rpm |
| Power per litre | 54.3 Hp/l |
| Torque | 279 Nm @ 4000 rpm (205.78 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | LA1 |
| Engine displacement | 3350 cm3 (204.43 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 92 mm (3.62 in.) |
| Piston Stroke | 84 mm (3.31 in.) |
| Compression ratio | 9.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant | 9.1 l (9.62 US qt | 8.01 UK qt) |
| Kerb Weight | 1790 kg (3946.27 lbs.) |
| Trunk (boot) space – maximum | 4415 l (155.91 cu. ft.) |
| Fuel tank capacity | 76 l (20.08 US gal | 16.72 UK gal) |
| Length | 5115 mm (201.38 in.) |
| Width | 1830 mm (72.05 in.) |
| Height | 1730 mm (68.11 in.) |
| Wheelbase | 3045 mm (119.88 in.) |
| Front track | 1560 mm (61.42 in.) |
| Rear (Back) track | 1610 mm (63.39 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 | Spring Strut |
| Rear suspension | Torsion |
| 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 | 205/70 R15 |
Powertrain & Engine Architecture
The heart of the Silhouette II 3.4 V6 Long was the LA1 engine, a 3.4-liter (3350 cc) 60-degree V6. This engine utilized a cast iron block with aluminum cylinder heads, a common configuration for GM’s 3800 series V6 engines. The LA1 featured multi-port fuel injection, delivering fuel directly to each cylinder for improved efficiency and power delivery. The valvetrain employed two valves per cylinder, operated by a single overhead camshaft. The 4L40-E four-speed automatic transmission was the sole transmission option for this variant. This transmission was known for its smooth shifting characteristics, but wasn’t particularly sporty. It was geared more towards comfortable cruising and fuel economy than outright performance.
Driving Characteristics
The 182 horsepower and 205 lb-ft of torque provided by the 3.4L V6 and 4L40-E automatic combination resulted in adequate, but not exhilarating, performance. Acceleration to 60 mph took around 10.5 seconds, and the top speed was approximately 118 mph. The automatic transmission’s gear ratios were optimized for everyday driving, providing reasonable acceleration from a standstill and sufficient power for highway passing. Compared to the available 3.8L V6 options, the 3.4L felt noticeably less powerful, especially when fully loaded with passengers and cargo. The 4L40-E, while reliable, lacked the responsiveness of a manual transmission or more modern automatic gearboxes.
Equipment & Trim Levels
The Silhouette II 3.4 V6 Long typically came standard with features like air conditioning, power windows and locks, an AM/FM stereo, and cloth upholstery. Higher trim levels, such as the Premiere, added features like leather seating, upgraded audio systems, and alloy wheels. Optional extras included a rear entertainment system, power sliding doors, and a sunroof. The interior design was functional and family-oriented, with a focus on maximizing space and comfort. The dashboard layout was straightforward, with easy-to-use controls.
Chassis & Braking
The Silhouette II utilized a front-wheel-drive layout with an independent front suspension featuring coil springs and a multi-link rear suspension with a torsion beam. This suspension setup provided a comfortable ride, but wasn’t particularly sporty. The front brakes were ventilated discs, while the rear brakes were drums. Anti-lock braking system (ABS) was standard, enhancing safety. The steering was rack-and-pinion with hydraulic power assist, providing light and easy steering feel. The 205/70R15 tires were chosen for a balance of ride comfort and handling.
Market Reception & Comparison
Critics generally viewed the Silhouette II 3.4 V6 Long as a competent, but unremarkable, minivan. It offered a good value for the money, but lacked the refinement and performance of some of its competitors. Fuel economy was average for the class, with EPA estimates around 18 mpg city and 25 mpg highway. Reliability was generally good, although some owners reported issues with the automatic transmission and cooling system. Compared to the higher-output 3.8L V6 models, the 3.4L offered lower initial cost but sacrificed performance. The 3.8L was favored by those who needed more power for towing or frequent highway driving.
Legacy
The Oldsmobile Silhouette II 3.4 V6 Long, while not a standout performer, remains a relatively affordable and practical option in the used car market. The LA1 3.4L V6 engine is known for its durability, and the 4L40-E transmission, while not perfect, is generally reliable with proper maintenance. Parts availability is good, as many components are shared with other GM vehicles. However, potential buyers should be aware of potential issues with the cooling system and transmission. Today, these minivans are often found in the hands of families seeking an inexpensive and spacious vehicle for daily transportation.
