Buick · 1988-1996

Regal — W-body (1988–1996)

regal · regal custom · regal limited · regal gran sport

7 option rows 7 RPO codes 9 model years
29% Factory-verified
  • ✓ Factory-verified · 2
  • ● Confirmed · 0
  • ◑ Single-source · 5
  • ⚠ Disputed · 0

Applicable options

Documented RPO codes

Have a VIN? Decode it at DecodeThis
Model year
Regal — W-body (1988–1996) RPO codes
Code Option Years Notes & factory source Confidence
Engines
LB6 Engine, 2.8L (173 cu in) V6, multiport fuel injection 1988–1989
the only engine for 1988; 125 hp; Wikipedia's Regal engine list and its 60° V6 article both give LB6 to the Regal for 1988–1989 (one source); no listed kit page covers these years
Single-source
LH0 Engine, 3.1L (191 cu in) V6, multiport fuel injection 1990–1993
Wikipedia's Regal engine list and its 60° V6 article give LH0 to the Regal and date every year; 1990 from those Wikipedia articles (the listed 1990 kit page that prints LHO, p.41, carries only an issue date in the model-year field, so it is not cited; the 1991 p.73 and 1992 p.55 weight pages are likewise not cited); 1992 also from the 1992 power teams page (p.6), which prints model year 1992 and LHO (letter O) twice on its engine code line; 1989 is left out because those articles start it in 1989 while the 1989 entry of engine-build.com's Regal table gives only the LB6 (see the report gaps); the kits print LHO (letter O); shared W-body code; cited from the Chevrolet Lumina kit
GM Heritage factory kit — 1991 Chevrolet Lumina, p.18.
GM Heritage factory kit — 1992 Chevrolet Lumina, p.6.
GM Heritage factory kit — 1993 Chevrolet Lumina, p.18.
Factory-verified
L27 Engine, 3800 3.8L V6, multiport fuel injection 1990–1995
the 3800 Series I, optional from mid-1990; 170 hp; Wikipedia's Regal engine list and its Buick V6 article give L27 to the Regal for 1990–1995 (Wikipedia calls the induction tuned port injection); the Lumina never offered it, so no kit page applies
Single-source
L82 Engine, 3.1L V6, sequential fuel injection 1994–1996
160 hp; Wikipedia's Regal engine list and its 60° V6 article give L82 to the Regal and date every year; 1994 from those Wikipedia articles, as the 1994 kit's listed pages do not print it; the merged lumina-gen2 and century-w-body docs read L82 from GM's 1998–1999 lists as multiport fuel injection, high output, while the 1995–1996 order guides cited here print SFI; shared W-body code; cited from the Chevrolet Lumina kit
GM Heritage factory kit — 1995 Chevrolet Lumina, p.10.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.18.
Factory-verified
L36 Engine, 3800 Series II 3.8L V6 1996
205 hp; Wikipedia's Regal engine list gives L36 for 1996, and its Buick V6 article gives the Regal the L36 from 1996; the merged regal-w-body-1997 doc reads L36 from GM's 1998–2004 lists as a 3.8 liter multiport fuel injection, high output V6
Single-source
Transmissions
M13 Transmission, automatic, 4 speed, 4T60-E, electronic 1993, 1995–1996
matched to the unit by meaning: Wikipedia gives the Regal the electronically controlled 4T60-E for 1993–1996 but prints no code; 1994 is left out because no listed 1994 kit page prints the code; the kit pages word it a four speed automatic, HMD; the description follows the merged regal-w-body-1997, century-w-body and lumina-gen2 docs, while the merged lumina-gen1 doc reads M13 as Transaxle, 4 speed automatic, HMD; shared W-body code; cited from the Chevrolet Lumina kit
GM Heritage factory kit — 1993 Chevrolet Lumina, p.73.
GM Heritage factory kit — 1995 Chevrolet Lumina, p.53.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.104.
Single-source
MX0 Merchandised transmission, automatic, provisions, overdrive 1991, 1993, 1995–1996
matched to the unit by meaning: Wikipedia gives every Regal of this generation a 4 speed automatic but prints no code; the order guides print MXO (letter O) and word it a 4 speed automatic (electronic in 1995–1996); 1990, 1992 and 1994 are left out because no listed kit page of those years prints the code; the description follows the merged regal-w-body-1997, century-w-body and lumina-gen2 docs, while the merged lumina-gen1 doc reads MX0 as Transmission, 4 speed automatic, electronic; shared W-body code; cited from the Chevrolet Lumina kit
GM Heritage factory kit — 1991 Chevrolet Lumina, p.18.
GM Heritage factory kit — 1993 Chevrolet Lumina, p.18.
GM Heritage factory kit — 1995 Chevrolet Lumina, p.10.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.18.
Single-source

Source document: buick/regal-w-body-1988.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.