1989 Pontiac Firebird Trans Am Coupe / 1G5FW2177KL246794 Chassis Information

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird photograph

1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird1989 Pontiac Firebird
Trans Am Coupe
Chassis #: 1G5FW2177KL246794
Sold for $37,505 at 2014 Russo & Steele - Scottsdale.
Sold for $29,700 at 2018 Barrett-Jackson : Las Vegas.
This is a Pontiac Trans Am GTA Pace car and one of just 1,555 built. It was the fastest GM car available and 2nd only the Ferrari F40 in speed that year. Power was from a turbocharged V6 engine and was the only Pace car made until 1989 that did not have to have modifications and an altered engine.

This particular car is all-original - perhaps the most original example in existence. It has just 1,492 miles on the odometer.

The 20th Anniversary Trans Am takes just 4.6 seconds to reach 60 miles per hour. Its V6 engine is turbocharged and has a history that dates back to the gas crisis of the early 1970s. Buick introduced a new 3.8-liter turbocharged V6 motor to the United States public in 1978. It has a simple blow-through carburetor setup and a 3-speed automatic gearbox. The engine offered 175 horsepower making it faster than most every other American car of its era. There were several shortcomings to this setup, however, particularly the 3 gears did not allow adequate time to take advantage of the turbochargers narrow blown powerband. The turbo-lag was terrible.

In 1982, Buick introduced its Regal Gran National, named after the NASCAR Gran National series. Under the hood was a 4.1-liter V6 or an optional carbureted V6 engine fitted with a turbocharger. This was a nice evolutionary step, but it was clear more was needed.

In 1984 a sequential multi-port fuel injection version with electronic controls was introduced, offering 200 horsepower and 300 lb-ft or torque. This gave the G-body Gran National a respectable zero-to-sixty mph time of about 6 seconds.

Over the next three years, the engine was continually refined and improved. In 1986, the engineers added an intercooler, boosting power to 235 horsepower. In 1987, power rose again to 245 bhp. The Gran National was now capable of racing to 60 mph in 5.4 seconds.

Production of the G-Body, RWD Gran National ended in 1987. But before its departure, Buick introduced the GNX, a very limited production example of the GN. In total, just 547 examples of the GNX were produced. They were built by ASC/McLaren and powered by a high-performance Garrett turbocharger with a ceramic impeller, improved intercooler, revised engine management calibration, high performance transmission valving and free-flow exhaust. With this potent powerplant, horsepower rose to over 275 and torque was rated at 360 lb-ft. Completing the package included larger tires, special alloy wheels, rear axle torque arm and panhard bar, plus added frame stiffening were standard fare for the beefed-up GNX package. There was a full load of factory options including additional front fender vents to aide in engine cooling, and an analog gauge instrument panel and logo package.

The GNX was fast. It could outpace a Countach, Testarossa, and the Porsche 911 Turbo. The only car faster in North America was the Ferrari F40.

In 1988, General Motors discontinued the rear-wheel drive G-body and replaced it was a front-drive W-body. The Buick Turbo V6 program came to an end as the FWD transaxle setup could not handle the torque produced by the turbocharged V6 engine.

Since Buick did not have a suitable platform for their performance engines, the motors were sent to the Pontiac division. In 1989, the Trans Am was selected to pace the Indianapolis 500. In total, 1,555 examples of the 20th Anniversary Trans Am models were produced. All of the cars were painted pearl white with a tan interior.

The Turbo Trans Am was lighter and more nimble than the GNX. The V6 engine was also given a few modifications over the GNX, including a new intercooler, tubular exhaust manifolds (offering better spooling), a tuned aluminum intake manifold, plus sever other enhancements.

The turbocharged V6 engine was officially rated at 250 horsepower and 340 lb-ft of torque. In reality, power output was much higher - in the vicinity of 300 bhp and 400 lb-ft of torque. Weighing just 3,340 lbs, the Turbo Trans Am (TTA) was capable of racing to 60 mph in approximately 4.6 seconds. (The factory claimed it was a 5.4 second car with a top speed of 161 mph).

Production Automotive Services, Inc. (PAS) handled the assembly of the engines with the final assembly being done in the F-body plant in Van Nuys, Ca. Visually, the Turbo Trans Am were very similar to the standard Trans Am models. The major interior difference was a turbo boost gauge integrated into the tachometer. Other obvious differences were the '20th Anniversary' and 'Turbo' badging.

These special Trans Am models were around for just a year, and during that time 1,555 examples were produced.


By Daniel Vaughan | Jun 2014

2018 Barrett-Jackson : Las Vegas

Sale Price :
$29,700

2014 Russo & Steele - Scottsdale

Sale Price :
$37,505

2019 6
2018 9
2017 10
2016 2
2015 10
2014 9
2013 8
2012 6
2011 8
2010 9

YearAvg. SaleHigh Sale# of Sales
2019$29,517$49,5006
2018$33,397$84,7009
2017$27,162$126,50010
2016$9,125$10,0002
2015$22,445$42,00010
2014$23,267$37,5059
2013$8,385$16,5008
2012$16,113$25,8506
2011$15,363$29,7008
2010$22,800$38,0009

Recent Sales

(Data based on Model Year 1989 sales)
1989 Pontiac Trans Am GTA
Sold for $11,550
  2019 Mecum : Houston
 
1989 PONTIAC FIREBIRD TRANS AM PACE CAR
Chassis#: 1G5FW2174KL246400
Sold for $37,950
  2019 Barrett-Jackson : Scottsdale, Az.
 
1989 PONTIAC FIREBIRD TRANS AM INDY PACE CAR
Chassis#: 1G5FW2170KL237788
Sold for $41,800
  2019 Barrett-Jackson : Scottsdale, Az.
 
1989 Pontiac Firebird Formula
Sold for $15,950
  2019 Mecum : Kissimmee
 
1989 Pontiac Turbo Trans Am Pace Car Edition
Sold for $20,350
  2019 Mecum : Kissimmee
 
1989 Pontiac Turbo Trans Am Pace Car Edition
Sold for $49,500
  2019 Mecum : Kissimmee
 
1989 Pontiac Turbo Trans Am 20th Anniversary
Sold for $30,250
  2018 Mecum : 2018 Chicago
 
1989 Pontiac Firebird
Sold for $29,700
  2018 Mecum : Dallas
 
1989 Pontiac Turbo Trans Am Pace Car Edition
Sold for $17,050
  2018 Mecum : Dallas
 
1989 PONTIAC FIREBIRD TRANS AM INDY PACE CAR
Chassis#: 1G5FW2177KL246794
Sold for $29,700
  2018 Barrett-Jackson : Las Vegas
1989 Pontiac Firebird image  1989 Pontiac Firebird image  
1989 PONTIAC FIREBIRD FORMULA
Chassis#: 1G2FS21E7KL249234
Sold for $12,100
  2018 Barrett-Jackson : Las Vegas
 
1989 Pontiac Trans Am 20th Anniversary
Sold for $33,000
  2018 Leake - Tulsa
 
1989 Pontiac Firebird Trans Am Turbo
Chassis#: 1G5FW2175KL243604
Sold for $31,075
  2018 Worldwide Auctioneers : The Texas Classic Auction
 
1989 PONTIAC TRANS AM FUNNY CAR 'SKOAL BANDIT'
Chassis#:
Sold for $84,700
  2018 Barrett-Jackson : Scottsdale
 
1989 Pontiac Turbo Trans Am 20th Anniversary
Sold for $33,000
  2018 Mecum : Kissimmee
 
1989 Pontiac Firebird Trans Am GTA Coupe
Sold for $5,121
  2017 Collector Car - Toronto Fall Classic
 
1989 Pontiac Trans Am GTA
Sold for $10,000
  2017 Mecum : Harrisburg
 
1989 Pontiac Turbo Trans Am 20th Anniversary
Sold for $24,000
  2017 Mecum : Indianapolis
 
1989 Pontiac Trans Am
Sold for $12,000
  2017 Spring Carlisle Auction
 
1989 PONTIAC TRANS AM PACE CAR
Chassis#: 1G5FW2171KL244880
Sold for $22,000
  2017 Barrett-Jackson : Palm Beach
 

Vehicles That Failed To Sell

1989 Pontiac Firebird's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1989 Pontiac Turbo Trans Am 20th Anniversary 2019 Mecum : Houston$20,000  
1989 Pontiac Trans Am GTA 2019 Mecum : Phoenix Auction$12,000  
1989 Pontiac Trans AM 2019 Carlisle Auction : Lakeland Winter Auction   
1989 Pontiac Trans Am 2018 Collector Car Toronto Spring$8,500  
1989 Pontiac Turbo Trans Am 20th Anniversary 2018 Mecum : Houston$17,500  
1989 PONTIAC FIREBIRD 2018 McCormick's Auction # 64$9,600  
1989 PONTIAC FIREBIRD GTA TRANSAM 2018 McCormick's Auction # 64$11,500  
1989 Pontiac Trans AM Turbo 2018 Carlisle : Lakeland Winter Auction   
1989 PONTIAC TRANS AM 2018 GpK Auctions Atlantic City   
1989 Pontiac Turbo Trans Am 20th Anniversary 2018 Mecum : Kissimmee$37,500  
1989 Pontiac Firebird Formula 2017 Mecum : Portland   
1989 Pontiac Firebird Formula 2017 Mecum : Indianapolis$12,000  
1989 Pontiac Trans Am 2017 Spring Carlisle Auction   
1989 Pontiac Turbo Trans Am 2017 Mecum : Houston$25,000  
1989 Pontiac Trans Am GTA 2016 Mecum : Dallas$15,000  
1989 Pontiac Turbo Trans Am Pace Car Edition 2016 Mecum : Dallas$16,000  
1989 Pontiac Trans Am Turbo 2016 Fall Carlisle Auction$34,000  
1989 Pontiac Firebird Trans Am GTA 2016 Auctions America : Auburn Fall$9,000$12,000$15,000
1989 Pontiac Turbo Trans Am 2016 Mecum Indianapolis$21,000  
1989 Pontiac Turbo Trans Am Pace Car Edition 2016 Mecum : Kissimmee$24,000  
1989 PONTIAC TRANS AM PACE CAR 2015 McCormick's Auction # 59$17,000  
1989 PONTIAC TURBO TRANS AM PACE CAR EDITION 2015 Mecum Harrisburg$16,000  
1989 Pontiac Turbo Trans Am 20th Anniversary 2015 Mecum : Denver   
1989 Pontiac Firebird Trans Am 2015 Leake Auctions Dallas, Tx$13,500  
1989 Pontiac Firebird Trans Am Turbo GTA Indy 500 Pace Car 2014 Auctions America Auburn Fall$19,000  
1989 Pontiac Firebird Trans Am Turbo GTA Indy Pace Car 2014 Auctions America Auburn Spring$14,000  
1989 Pontiac Trans Am GTA 350 CI, Automatic 2013 Mecum Auction Chicago$5,500  
1989 Pontiac Trans Am GTA 2013 Mecum : Schaumburg$5,500  
1989 Pontiac Trans Am GTA Hardtop 2013 Auctions America Auburn Fall$6,000  
1989 Pontiac 20th Anniversary Turbo Trans Am Coupe 2013 Russo & Steele Newport Beach$23,000  

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