Makes › Buick United States › Regal and Grand National › Regal Grand National (1986) · Rare specification · 1986 Limited Production

Buick
Regal Grand National (1986)

First intercooled SFI turbo Grand National

Still being researched: full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.

IDENTIFICATION CARD · BUICK REGAL GRAND NATIONAL (1986) 1986
No licensed photograph yet. Photographs are published only when their licence permits it.
5,512BuiltRegistry reported
0Chassis documentedin this archive
?SurvivingNot yet verified
Contents
  1. 01Overview
  2. 02Production & history
  3. 03Specifications
  4. 04Colours & options
  5. 05Individual cars
  6. 06Reference

01Overview

At a glance

Built
5,512 Built
Years
1986
Engine
3,800 cc / 3.8 LFactory: 3.8 L
Power
175 kW / 238 PSFactory: 235 hp · converted
Top speed
Not yet verified
Body
Not yet verified
Designer
Not yet verified
In this archive
Not yet verified
Surviving
Not yet verified

Sources and any conflicting figures are in the sections below.

Why it matters

The 1986 Grand National added an intercooler to the turbo 3.8 V6 and lifted output to 235 hp. It was the first year in which Grand National sales exceeded those of the T-Type, and the source calls it one of the best American performance cars of the mid-1980s.

How rare is it?

Six separate kinds of rarity – never combined into one number.

Model rarityNot yet assessed
Specification rarityLimited Production 5,512 · Built1,2
Colour rarityNot yet assessed
Individual rarityNot yet assessed
Historical rarityNot yet assessed
Survival rarityNot yet assessed

Each kind of rarity is rated separately and never combined.

02Production & history

Production

Every figure says what it counts.

What is countedFigureBasisStatus
Factory package production1986 Grand Nationals 5,5121,2 Factory production Registry reported

Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.

History

For 1986 Buick added an air-to-air intercooler, a retuned turbo, modified manifolds and a new exhaust, giving 235 hp and 330 lb-ft, with the quarter-mile in the mid 14s. The front air dam gained a centre opening to feed the intercooler duct and the grille got fine vertical bars. Output was 5,512 Grand Nationals against 2,384 T-Types, among 7,896 turbo Regals.

Variants

How each version differs from the standard Regal Grand National (1986).

No variants documented yet. Have a source? Contribute it.

03Specifications

Technical specifications

Engine

Engine familyNot yet verified
Engine codeNot yet verified
LayoutNot yet verified
Displacement 3,800 cc / 3.8 LFactory: 3.8 L3 Independently researched
BoreNot yet verified
StrokeNot yet verified
Compression ratioNot yet verified
Fuel systemNot yet verified
InductionTurbocharger with air-to-air intercooler3 Independently researched
Power 175 kW / 238 PSFactory: 235 hp · converted3 Independently researchedMuscle Car Club "bhp"; Buick Forums lists 235 hp at 4000 rpm.
Power at 4,000 rpm3 Independently researched
Torque 447 NmFactory: 330 lb-ft · converted3 Independently researched
Torque at 2,400 rpm3 Independently researched

Transmission & drivetrain

GearboxNot yet verified
GearsNot yet verified
Driven wheelsNot yet verified

Chassis, body & dimensions

ChassisNot yet verified
Front suspensionNot yet verified
Rear suspensionNot yet verified
BrakesNot yet verified
SteeringNot yet verified
Body constructionNot yet verified
WheelbaseNot yet verified
LengthNot yet verified
WidthNot yet verified
HeightNot yet verified
Front trackNot yet verified
Rear trackNot yet verified
Kerb weightNot yet verified
Dry weightNot yet verified

Performance

Maximum speedNot yet verified
0–100 km/hNot yet verified
Fuel tankNot yet verified

“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.

04Colours & options

Factory colours & interiors

Original paint and trim, with the number of cars in each where a source gives it.

Not yet documented. Have a source? Contribute it.

Factory options & codes

Codes are shown exactly as written by the manufacturer.

Not yet documented. Have a source? Contribute it.

05Individual cars

Chassis register

Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.

Not yet documented. Have a source? Contribute it.

Competition history

Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

Auction & sale history

Documented public sales of the individual cars. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

See one in person

Museums where an example of this car can be seen.

No example is documented on public display yet. Have a source? Contribute it.

06Reference

Identification guide

How to tell an original from a replica or later conversion.

Features specific to 1986 are the intercooled turbo V6 (235 hp) with a revised front air dam with a central opening and a grille with fine vertical bars.

Sources

Each number links to the exact facts it supports.

  1. 1
    Buick Regal Grand National and GNX Information Level B Buick Forums (buickforums.com)
    • 1986: 5,512 Produced, 235hp at 4000 RPM
    Accessed 2026-11-12
  2. 2
    More on the Buick Grand National – Over-Drive Magazine Level C
    • 5512 1986 Grand Nationals
    Accessed 2026-11-12
  3. 3
    Buick Grand National and Regal T-Type Level B Muscle Car Club
    • air-to-air intercooler... turbo V-6
    • added an air-to-air intercooler
    • 235 bhp and 330 lb-ft
    • 235 HP @ 4000 RPM
    • 330 lb⋅ft of torque @ 2400 RPM
    Accessed 2026-11-12