<P> The GMC Syclone is a high - performance version of the GMC Sonoma pickup truck . Produced in 1991 by GMC, the Syclone spawned the similarly powered 1992 - 1993 GMC Typhoon SUV . Another vehicle, the GMC Sonoma GT, offered less performance but was seen as a companion model . </P> <P> At the time it was introduced, the Syclone was the quickest stock pickup truck being produced in the world . Auto magazines compared its acceleration favorably to a variety of sports cars including the Corvette and - in a memorable comparison test in Car and Driver magazine - a Ferrari . Featuring a turbocharged 6 - cylinder engine, all wheel drive, and 4 - wheel anti-lock brakes, the specifications had more in common with a Porsche than most other pickup trucks . </P> <P> Both the Syclone and Typhoon trucks featured a Mitsubishi TD06 - 17C 8 cm2 turbocharger and Garrett water / air intercooler attached to a 4.3 L LB4 V6 engine with unique pistons, main caps, head gaskets, intake manifolds, fuel system, exhaust manifolds, and a 48mm twin bore throttle body from the 5.7 L GM Small - Block engine . All Syclones and Typhoons had a GM 700R4 4 - speed automatic transmission . A Borg Warner all wheel drive transfer case split torque with 35% forward and 65% to the rear wheels . Both trucks featured sport modifications to the standard suspensions . The Syclone was the first production truck to receive a 4 - wheel anti-lock braking system . Output was 280 hp (209 kW) and 350 lb ft (475 N m). The Syclone, when new, was capable of accelerating from 0 - 60 mph in 4.6 seconds and could do a quarter - mile run in 13.4 seconds at 98 mph (158 km / h) according to Car & Driver's comparison test . </P> <P> In 1991 Syclones were available in black only . 1992 models were to be offered in a wider range of colors before they were canceled . 2995 Syclones were built in 1991, and 3 in 1992 . 113 (estimated 31 returned) were reported as Export Sales including a subset now referred to as the Saudi Syclones--a small number were delivered to Saudi Arabia and modified with a metric dash cluster, leaded fuel chip, and a resonator in place of the catalytic converter . </P>

How much horsepower does a gmc syclone have