The Pontiac Bonneville is an automobile built by Pontiac from 1957 to 2005. Bonnevilles were full-sized, with the exception of a brief period of mid-size between 1982–1986. The brand was introduced as a limited production performance convertible during the 1957 model year. The Bonneville (known as the Parisienne in Canada until 1981), and its platform partner, the Grand Ville, are some of the largest Pontiacs ever built; in station wagon body styles they reached just over 230 inches (5.8 m) long, and at 5,000 pounds (2,300 kg) and more were also some of the heaviest cars produced at the time. Also, they came with a Jetaway 315 and also were available as hearses.
Eighth generation (1987–1991)
For 1987, Pontiac decided to change the car from the rear wheel drive G-body with the V8 to the more economical front wheel drive one-year-old H Body platform with the Buick LeSabre and Oldsmobile 88. Initially, a 150 hp (112 kW) 3.8 L V6 was the sole engine, mated to a four-speed Hydramatic 4T60 automatic and performance was adequate from this pairing. The new Bonneville was placed on Car & Driver's “10 Best” list for 1987, offering both a base model and LE model. For LE models, an SSE sport package was also available that featured a quicker gear ratio, sportier suspension and more standard features, as the Bonneville was intended to have a more sporty, European flavor than the LeSabre and 88.
A host of trim level changes and a new engine became standard for the front wheel drive Bonneville's second year. First, for the 1988 model year, Pontiac replaced the LG3 with a revised version of the same engine platform, with an increase of 10 hp and 10 ft⋅lbf (14 N⋅m) of torque. This engine has the RPO code of LN3 and is the first time the Buick 3.8 is called the 3800 V6. Other models on the H-body platform were fitted with the updated engine one year later, in 1989. The LN3 was used through 1991, until the Bonneville was once again redesigned for the 1992 model year. It features sequential-port fuel injection, the LN3 produced 165 hp (123 kW) and 210 lb⋅ft (285 N⋅m). Also new for 1988, the base model is dropped making LE the base model. Two new models are added, the midlevel SE (went from option package to trim) and line-topper SSE. The latter features an extra deep rear valence, a spoiler, lower body cladding, a digital compass/trip computer, an eight speaker premium sound system and much more. One notable feature of the SSE was the addition of automatic leveling rear air suspensions, which also included an inflator in the trunk. For 1989, a compact disc player became optional and in 1989 a remote keyless entry system was added to the options list for all 1990 models. A facelift was also introduced for the Bonneville in the 1990 model year, with revisions to the grille & headlights. Suspension revisions were introduced in 1990 for the 1991 model year.
They also revised the trim levels for the remaining part of this generation, removing the base trim only used for 1987, keeping the LE which makes the change of going from the top trim to the base trim, and adding the SE and SSE trims which were then available with many more comfort and convenience options standard such as, electronic climate control, a digital compass, Driver Information Center, 8-way (14-way for the SSE according to GM material) power leather seats, heated power mirrors, CD player with the premium sound package and many more. The SSE trim was exclusively equipped with an exterior sport appearance package that included body cladding, assorted ground effects, a body color grille and removal of the Bonneville door badges and Pontiac trunk badge, replacing the Bonneville trunk badge with an SSE Bonneville badge.
Production Numbers by Trim Level:
Year LE SE SSE
1987 53,912 69,904 -- --
1988 72,859 20,872 14,832
1989 66,636 15,944 13,056
1990 55,926 16,854 13,064
1991 34,405 2,734 5,665
Source: Wikipedia
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