1991 Corvette Convertible Specifications, Options and Production Numbers

Explore comprehensive Corvette specifications, production numbers, options, and color codes by model year. Your complete reference for authentic restoration and research.

Available Body Styles:

Coupe Convertible ZR1

Production & Specifications

Total Production

5,672

Wheelbase

96.20"

Length

176.50"

Width

71.00"

Height

46.60"

Curb Weight

3,336.00 lbs.

Track Front/Rear

59.60" / 60.40"

Tire Size

P275/40ZR-17

Plant Built

Bowling Green

Base Engine

L98 350ci V8 240hp

Serial Range

1G1YY3386M5100001 - 1G1YY3386M5118595

Total Production	5,672
Wheelbase	96.20"
Length	176.50"
Width	71.00"
Height	46.60"
Curb Weight	3,336.00 lbs.
Track F/R	59.60" / 60.40"
Tire Size	P275/40ZR-17
Plant Built	Bowling Green
Base Engine	L98 350ci V8 240hp
Serial Range	1G1YY3386M5100001 - 1G1YY3386M5118595

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Options for Model Year 1991, Convertible

* = Option price during model year
** = Option price adjusted for inflation, in 2025 dollars

Code	Description	Quantity	1991*	2025**
1YY67	Base Convertible	5,672	$38,770	$91,502
24S	Removable Roof Panel, blue tint	6,991	$615	$1,451
64S	Removable Roof Panel, bronze tint	3,036	$615	$1,451
AC1	Power Passenger Seat	17,267	$290	$684
AC3	Power Driver Seat	19,937	$290	$684
AJ3	Front Seat Inflatable Restraint System	n/a	n/a	n/a
AQ9	Leather Sport Seats	10,650	$1,050	$2,478
AR9	Base Leather Seats	n/a	$425	$1,003
B2K	Callaway Twin Turbo	62	$33,000	$77,884
C2L	Dual Removable Roof Panels	5,031	$915	$2,160
C60	Manual Air Conditioning Controls	n/a	n/a	n/a
C68	Electronic Air Conditioning	19,233	$180	$425
CC2	Auxiliary Hardtop (Convert.)	1,230	$1,995	$4,708
CC3	Removable Plastic Roof Panel	n/a	n/a	n/a
CF7	Removable Roof Panel (Solid Body Color)	n/a	n/a	n/a
D3X	Speedometer Driven Gear (25513049)	n/a	n/a	n/a
D4L	Speedometer Driven Gear (25513050)	n/a	n/a	n/a
D7B	Speedometer Driven Gear (25513043)	n/a	n/a	n/a
D7C	Speedometer Driven Gear (25513045)	n/a	n/a	n/a
D8E	Vehicle Speed Sensor (10456021)	n/a	n/a	n/a
D8F	Vehicle Speed Sensor (10456022)	n/a	n/a	n/a
D8H	Vehicle Speed Sensor (10456039)	n/a	n/a	n/a
DC7	Electronic LH & RH Outside Mirrors	n/a	n/a	n/a
DC8	Electronic LH & RH Outside Mirrors	n/a	n/a	n/a
DL8	LH/RH Heated Sport Mirrors	n/a	n/a	n/a
FE1	Soft Ride Suspension	n/a	n/a	n/a
FE7	Heavy Duty Suspension	n/a	n/a	n/a
FX3	Selective Ride and Handling System	6,894	$1,695	$4,000
G44	3.07 Rear Axle Ratio	n/a	n/a	n/a
G92	Performance Axle Ratio	n/a	$22	$52
GM1	2.59 Rear Axle Ratio	n/a	n/a	n/a
GM3	3.45 Rear Axle Ratio (8.5 in. Ring Gear)	n/a	n/a	n/a
GU2	2.73 Rear Axle Ratio	n/a	n/a	n/a
J55	Heavy Duty Brakes	n/a	n/a	n/a
JL9	Antilock Front and Rear Disc Brakes	n/a	n/a	n/a
K05	Engine Block Heater (Canada Export only)	n/a	n/a	n/a
K09	120-Amp Generator	n/a	n/a	n/a
K68	105-Amp Generator	n/a	n/a	n/a
KC4	Engine Oil Cooler	7,525	$110	$260
L98	8-Cyl., V8, 5.7L (Vin 8) Engine	n/a	n/a	n/a
LT5	8-Cyl., V8, 5.7L (Vin J) Engine	n/a	n/a	n/a
MD8	4-Spd. 4L60 Automatic Transmission	n/a	n/a	n/a
MN6	6-spd, Manual Trans.	5,875	$0	$
NA5	Federal Emission systems	n/a	n/a	n/a
NK4	Sport Leather Steering Wheel	n/a	n/a	n/a
NN5	California Emission Requirements	3,050	$100	$236
QA1	Wheel, 17 x 9.5, Aluminum	n/a	n/a	n/a
QA2	Wheels, 17 x 9.5 (Front), 17 x 11 (Rear), Aluminum	n/a	n/a	n/a
T61	Daytime Running Lights	n/a	n/a	n/a
U19	Miles & Kilometers Dash Cluster	n/a	n/a	n/a
U1F	Delco Bose CD Stereo System	15,345	$1,219	$2,877
U52	Electronic Instrument Cluster	n/a	n/a	n/a
U75	Power Antenna	n/a	n/a	n/a
UJ6	Low Tire Pressure Warning System	5,175	$325	$767
UM6	Bose Stereo w/ CD & Cassette, Seek/Scan, Clock, ETR Radio	n/a	n/a	n/a
UU8	Delco Bose Stereo System	3,786	$823	$1,942
UXO	Dual Floor Sill & Extended Range Speaker System	n/a	n/a	n/a
V56	Luggage Rack (convert.)	886	$140	$330
XAU	Front Tire, P275/40ZR17	n/a	n/a	n/a
YAU	Rear Tire, P275/40ZR17	n/a	n/a	n/a
YBE	Rear Tire, P315/35ZR17	n/a	n/a	n/a
Z07	Adjustable Suspension Pkg. (coupe)	733	$2,155	$5,086

Paint Colors for Model Year 1991, Convertible

Code	Description	Quantity	Additional Charge
10	White	4,305	n/a
25	Steel Blue Metallic	835	n/a
35	Yellow	650	n/a
41	Black	3,909	n/a
42	Turquoise Metallic	1,621	n/a
75	Dark Red Metallic	1,311	n/a
80	Quasar Blue Metallic	1,038	n/a
81	Bright Red	5,318	n/a
91	Polo Green Metallic	1,230	n/a
96	Charcoal Metallic	417	n/a

Explore Corvette Production Stats, Options, and Colors by Model Year

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