1981-1991 Oldsmobile Cutlass Ciera Station Wagon 2.5 i (106 Hp)

The Oldsmobile Cutlass Ciera Station Wagon 2.5i, produced from 1981 to 1991, represented a significant offering in the American station wagon market. Positioned as a mid-range trim within the broader Cutlass Ciera lineup, the 2.5i variant aimed to provide a balance of practicality, affordability, and reasonable performance. It was built on the A-body platform (specifically the 105 series), shared with other GM vehicles like the Buick Century and Pontiac 6000, and was a key player in Oldsmobile’s attempt to capture a larger share of the family car segment. This particular configuration, featuring a 2.5-liter inline-four engine paired with a three-speed automatic transmission, was a popular choice for buyers prioritizing ease of use and fuel efficiency over outright speed.

Technical Specifications

Brand Oldsmobile
Model Cutlass
Generation Cutlass Ciera Station Wagon
Type (Engine) 2.5 i (106 Hp)
Start of production 1981
End of production 1991
Powertrain Architecture Internal Combustion engine
Body type Station wagon (estate)
Seats 5
Doors 5
Fuel consumption (urban) 14 l/100 km (16.8 US mpg)
Fuel consumption (extra urban) 9 l/100 km (26.1 US mpg)
Fuel Type Petrol (Gasoline)
Maximum speed 160 km/h (99.42 mph)
Weight-to-power ratio 12.7 kg/Hp
Weight-to-torque ratio 7.4 kg/Nm
Power 106 Hp @ 4800 rpm
Power per litre 42.9 Hp/l
Torque 183 Nm @ 3200 rpm (134.97 lb.-ft. @ 3200 rpm)
Engine layout Front, Transverse
Engine displacement 2471 cm3 (150.79 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 101.6 mm (4 in.)
Piston Stroke 76.2 mm (3 in.)
Compression ratio 8.3:1
Number of valves per cylinder 2
Fuel injection system Single-point injection
Engine aspiration Naturally aspirated
Engine oil capacity 4.3 l (4.54 US qt | 3.78 UK qt)
Coolant 11.5 l (12.15 US qt | 10.12 UK qt)
Kerb Weight 1350 kg (2976.24 lbs.)
Trunk (boot) space – maximum 2105 l (74.34 cu. ft.)
Fuel tank capacity 59 l (15.59 US gal | 12.98 UK gal)
Length 4935 mm (194.29 in.)
Width 1765 mm (69.49 in.)
Height 1385 mm (54.53 in.)
Wheelbase 2665 mm (104.92 in.)
Front track 1490 mm (58.66 in.)
Rear (Back) track 1445 mm (56.89 in.)
Drivetrain Architecture Front wheel drive
Number of gears and type of gearbox 3 gears, automatic transmission
Front suspension Coil spring
Rear suspension Leaf spring
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 185/75 R14

Powertrain & Engine Architecture

The heart of the Cutlass Ciera 2.5i was the 2.5-liter (2471 cc) inline-four cylinder engine, designated as the LH8. This engine, a member of Oldsmobile’s “Quad 4” family (though not a true Quad 4 in the later DOHC configuration), featured a cast iron block and an aluminum cylinder head. It utilized a single overhead camshaft (SOHC) design with two valves per cylinder. Fuel delivery was handled by a single-point fuel injection system, a relatively common technology for the time, which offered improved efficiency and emissions compared to carburetors. The engine produced 106 horsepower at 4800 rpm and 183 Nm (135 lb-ft) of torque at 3200 rpm. The three-speed automatic transmission (likely a THM325C or similar) was chosen for its smooth operation and ease of use, catering to a broader demographic than a manual transmission. The transmission’s gear ratios were optimized for fuel economy and comfortable cruising, rather than aggressive acceleration.

Driving Characteristics

The 2.5i Cutlass Ciera Station Wagon offered a comfortable, but not particularly sporty, driving experience. Acceleration was adequate for everyday driving, but the 106 horsepower engine and three-speed automatic meant it wasn’t designed for quick bursts of speed. The automatic transmission’s shift points were calibrated for smooth transitions and fuel efficiency, resulting in a relaxed driving style. Compared to the more powerful V6 options available in the Ciera lineup, the 2.5i felt noticeably slower. However, it offered a significant advantage in fuel economy. The front-wheel-drive configuration provided decent handling in most conditions, but the leaf spring rear suspension could result in a somewhat bouncy ride, especially when fully loaded.

Equipment & Trim Levels

The 2.5i trim typically included features such as cloth upholstery, a basic AM/FM radio, and manual windows and locks. Air conditioning was often standard, but could be optional depending on the specific package. Optional extras included power windows and locks, a more advanced stereo system, cruise control, and upgraded interior trim. The station wagon body style itself added to the practicality, offering a generous 2105 liters (74.34 cubic feet) of cargo space with the rear seats folded down. The interior design was typical of early 1980s American cars – functional and spacious, but not particularly luxurious.

Chassis & Braking

The Cutlass Ciera utilized a front-wheel-drive chassis with an independent coil spring suspension at the front and a solid axle with leaf springs at the rear. The front brakes were ventilated discs, providing adequate stopping power, while the rear brakes were drums. An anti-lock braking system (ABS) was available as an option, enhancing safety. The steering was a rack-and-pinion system with hydraulic power assist, making it relatively easy to maneuver. The standard tire size was 185/75R14, offering a balance of ride comfort and handling.

Market Reception & Comparison

The Cutlass Ciera 2.5i was generally well-received as a practical and affordable family car. Critics praised its spacious interior, comfortable ride, and reasonable fuel economy. However, the engine’s lack of power was a common criticism. Compared to the V6-powered Ciera models, the 2.5i offered a lower price point and better gas mileage, making it attractive to budget-conscious buyers. Against competitors like the Ford Taurus and Chevrolet Celebrity, the Ciera 2.5i held its own in terms of space and comfort, but often lagged behind in performance. Fuel economy figures averaged around 14 l/100 km (16.8 US mpg) in the city and 9 l/100 km (26.1 US mpg) on the highway.

Legacy

The Oldsmobile Cutlass Ciera 2.5i, while not a performance icon, remains a fondly remembered vehicle for many. The 2.5-liter engine, while not known for its longevity, proved to be reasonably reliable with proper maintenance. Today, these cars are relatively affordable to acquire and maintain, making them popular choices for classic car enthusiasts and those seeking a nostalgic driving experience. Parts availability is generally good, thanks to the widespread use of GM components. The Cutlass Ciera 2.5i represents a snapshot of American automotive design and engineering from the 1980s – a practical, comfortable, and affordable family car that played a significant role in its era.

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