Ford Thunderbird such, for 1987 the Thunderbird received a significant refresh complete with new sheetmetal and a revised front fascia with aerodynamic composite headlamps. Mechanically the car was mostly unchanged. V6s models carried over port fuel injection from 1986 while the Turbo Coupe's turbocharged 4-cylinder engine gained an intercooler, increasing output to and 240 lbs of torque. 1988 was this Thunderbird generation's last as Ford prepared to unveil an all-new Thunderbird for 1989. On December 26, 1988, a completely redesigned Thunderbird was introduced as a 1989 model alongside its sister car, the Mercury Cougar. The new Thunderbird was developed on Ford's MN12
Triumph Thunderbird into the US market. The 'Thunderbird' name and retro styling recalls the original Triumph company's golden years of the 1960s. It was the first "classic" Triumph to be produced by the resurgent company. The engine, redesigned to give a period look and de-tuned for more torque at lower rpm, was a variant of the 885 cc triple engine. Peak power was down to from . Several variants of the Thunderbird were produced, Triumph T309TT Legend, Triumph T309RC Adventurer, and the Triumph T309RD Thunderbird Sport, which produced a claimed 82 bhp. The Thunderbird was produced until 2003 and the Thunderbird Sport