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Buick
Riviera
1989 Buick Riviera

1989 Buick Riviera IAAI lot 44088169

Sold Commerce City, CO Sale history 2

Auction date Wednesday, January 28, 09:55Jan 28, 09:55

Auction	Date	Photo	Lot	Bid	Odometer	Status	Seller
IAAI	Jan 27, 2026		44088169	-	186,861 mi	Sold	-
IAAI	Jan 28, 2026		44088169This lot	$550	186,861 mi	Sold	-

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 1

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 2

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 3

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 4

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 5

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 6

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 7

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 8

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 9

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 10

1989 Buick Riviera VIN 1G4EZ11C8KU404570, photo 11

Video

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Highlights

Condition: Engine starts
Seller: Unknown
Damage: Front End
Keys: Available
Document: Clear
History: 2 sale records
Airbags: None
Odometer: Actual

Auction

VIN: 1G4EZ11C8KU404570
Lot: 44088169 IAAI
Sale date: Jan 28, 2026, 09:55
Sale type: Live auction
Title status: Clear (Colorado)
IAAI grade: 5.0 of 5
Location: Commerce City, CO
Selling branch: Denver East (CO)
Actual cash value: $500

Description

Make: Buick
Model: Riviera
Generation: VII
Year: 1989
Mileage: 186,861 mi (300,724 km)
Engine: 3.8 L · 6 cyl.
Transmission: Automatic
Drive: Front-wheel drive
Fuel: Gasoline
Body type: Coupe
Color: Grey
Vehicle type: Cars

Final bid

$550

Sold

Remove vehicle history

Market data

Buick Riviera auction results

Final bids at Copart and IAAI. Updated Nov 3, 2026.

Price trends and every model year

Average final bid: $1,623
Lowest final bid: $25
Highest final bid: $12,000
Lots analyzed: 68

Average final bid by model year

Copart and IAAI sales; the band marks this car's year

CopartIAAI

1989

1975 1979 1983 1987 1991 1995 1999

Where they sold

Share of the lots by auction

Copart34 lots · 50%

IAAI34 lots · 50%

This car's year, 1989

Copart: $250
IAAI: $683

1989 cars sold for $575 on average, below the $1,623 of all years.

Show the numbers

Model year	Copart average	Copart lots	IAAI average	IAAI lots
1999	$250	1	$588	2
1998	$275	2	$1,025	2
1997	$500	1	$263	2
1996	$275	1	$138	2
1995	$425	1	$363	2
1993	$125	1	-	-
1992	$50	1	$250	1
1991	$200	1	$225	1
1990	$250	1	$25	1
1989	$250	1	$683	3
1988	-	-	$325	1
1987	$200	1	$5,500	1
1986	$275	1	$300	1
1985	$200	1	$1,450	1
1984	$5,600	1	$200	1
1983	$925	1	$100	1
1982	$275	1	$1,075	1
1981	$1,725	2	$250	2
1980	$225	1	-	-
1979	$250	1	$225	1
1976	-	-	$500	1
1975	-	-	$100	1
1973	$7,700	1	$863	2
1972	$3,050	1	-	-
1971	$4,750	1	$8,225	1
1970	$213	2	-	-
1969	$1,400	1	$6,650	1
1966	$7,550	2	$4,800	1
1965	$5,600	1	$175	1
1964	$3,450	1	-	-
1963	$275	1	-	-
1957	$7,200	1	-	-
1953	$8,000	1	-	-

Vehicle overview

1989 Buick Riviera 3.8 L · 6 cyl. Front-wheel drive Automatic IAAI lot 44088169 VIN 1G4EZ11C8KU404570

This 1989 Buick Riviera was offered at IAAI as lot 44088169 in Commerce City, CO. The primary damage is front end. The reported condition is Engine starts. The keys are available. The odometer reads 186,861 mi (300,724 km).

Key specifications: 3.8 L · 6 cyl. engine, front-wheel drive, automatic transmission, gasoline fuel, coupe body, grey exterior. At Copart and IAAI, 68 Buick Riviera lots sold for an average final bid of $1,623; 1989 cars averaged $575.

Before you bid through your broker, check every earlier sale of VIN 1G4EZ11C8KU404570 on this page and compare the photos, the damage and the final bids of similar cars.