The Thunderbird Super Coupe was Motor Trend's Car of the Year for 1989, which Ford proudly advertised. The Super Coupe could be had with a Mazda-derived, M5R2 5-speed manual transmission or an AOD 4-speed automatic transmission (or 4R70W for 1994/1995 models).
The fuel efficiency rating was noticeably better than that of Thunderbirds equipped with higher performance engines and gave the base V6-equipped Thunderbird a significant driving range with its 19 gallon fuel tank (later decreased to 18 gallons).Ī more sophisticated, supercharged and intercooled version of the 3.8 L OHV V6 was used to power the high performance Thunderbird Super Coupe, also called Thunderbird SC for short.
The EPA gave 1989 Thunderbirds equipped with the standard V6 a fuel efficiency rating of 19 mpg ‑US (12 L/100 km 23 mpg ‑imp) in city driving and 27 mpg ‑US (8.7 L/100 km 32 mpg ‑imp) on the highway, though, like most cars built before 2008, this rating was retroactively reduced by the EPA to reflect newer, more realistic fuel efficiency measurements. Due in part to its low coefficient of drag, the Thunderbird was relatively fuel efficient considering its overall size and weight. This engine was mated to Ford's AOD 4-speed automatic transmission regardless of trim level from the 1989 to 1993 model years. Rated at 140 horsepower (100 kW) at 3,800 rpm and 215 lb⋅ft (292 N⋅m) of torque at 2,400 rpm, however many felt the V6 engine was somewhat underpowered for a car that weighed over 3,500 pounds (1,600 kg) in base trim (heavier when equipped with available options). The base and LX models were powered by Ford's 3.8 L Essex OHV V6. Engine options fell to only two for 1989 as Ford dropped the V8 option for the new Thunderbird which would return later for the 1991 model year. This setup was significant as it made the Thunderbird, the Lincoln Mark VIII, and the Cougar the only rear-wheel drive North American domestic cars other than the Chevrolet Corvette to offer a four-wheel independent suspension at the time. The car featured four-wheel independent suspension, with short-and-long arms (SLA) and a spring strut assembly in the front and multiple links in the rear, that offered excellent handling and ride quality.
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