SOMERSET

Buick Somerset — MPG, VIN Decoder, Recalls, Reliability & Specs

Everything on the Buick Somerset — 3 recalls, common problems, the best & worst years, full specs, MPG and NHTSA safety, by model year.

Data · NHTSA & EPA · 1985–1987 · 3 model years · Updated Jul 18, 2026 · 4.0 ★★★★★★★★★★ ForCar Score
Quick answer

The Buick Somerset spans 1985–1987 with 3 recorded NHTSA recalls and a 4.0/5 ForCar reliability score. The years to approach with caution are 1986, 1985, 1987 (most owner complaints); the cleanest are 1987, 1985, 1986. It delivers up to 25 mpg combined and NHTSA-rated safety.

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1985–1987
Years
3
Recalls
25
Top MPG
—★
NHTSA
11
Complaints
FIG.01
4.0/5
★★★★★★★★★★
ForCar Reliability Score
Our editorial rating · 3 model years
Buick Somerset
Safety (NHTSA)3.5
Recall record4.7
Complaint severity4.3

How we score: NHTSA crash-test safety (40%), recall frequency across all years (25%) and the share of owner complaints involving a crash, fire or injury (35%). Based on NHTSA & EPA data — not user reviews.

Overview

The Buick Somerset is one of the most popular vehicles in its class, produced from 1985 to 1987 across multiple generations.

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How to read a Buick Somerset VIN — every digit explained

Every Buick Somerset carries a unique 17-character VIN stamped at the factory. Each position is a code — together they spell out where, when and how your car was built. Here's exactly what every digit means.

FIG.02
1–3 · WMI1XX
4–8 · VDSCM826
9 · Check5
10 · YearR
11 · PlantA
12–17 · Serial004352
  • WMI (1–3) — country & manufacturer. Tells you it's a Buick and the country it was built in.
  • VDS (4–8) — model, body style, engine, trim & restraints. The 8th digit is the engine code.
  • Check digit (9) — a math check that proves the VIN is genuine.
  • Model year (10) — the year it was built (e.g. R = 2024, S = 2025).
  • Plant (11) — which factory assembled this Somerset.
  • Serial (12–17) — the unique sequential production number.
17 CHARS·SOURCE SAE / ISO 3779 · NHTSA vPIC

Digits 4–17 — the engine code (8th), model-year letter (10th) and plant — follow the universal SAE standard, identical on every car. For the full year-code table (2001–2026), country codes and where the VIN is stamped on your Somerset, see the complete guide to reading a VIN.

How many recalls does the Buick Somerset have?

The Buick Somerset has 3 recorded NHTSA recalls across 1985–1987. Pick a year below to see its recalls — then verify open recalls against your specific VIN.

1987 Buick Somerset recalls 1

Fuel System, Gasoline06E043000

What's wrong. Certain replacement fuel filters, fram brand name p/n g3727, with date codes x52911 through x60801 sequentially or x600141 and a mexico country or origin marking on the fuel filter housing manufactured from october 18, 2005, through march 21, 2006, sold for use on the vehicles listed above and on certain school buses. (to see the school bus engine sizes, click on "document search" and then "bus applications"). The connector on the fuel filter was not manufactured to honeywell's specification. As a result, the o-ring may not seat correctly on the fuel line.

Risk. This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. In the presence of an ignition source, a fire could occur.

Fix. Honeywell will notify owners and replace the fuel filters free of charge. The recall began on october 18, 2006. Owners may contact fram customer service at 1-800-890-2075 (option 1).

1986 Buick Somerset recalls 1

Fuel System, Gasoline06E043000

What's wrong. Certain replacement fuel filters, fram brand name p/n g3727, with date codes x52911 through x60801 sequentially or x600141 and a mexico country or origin marking on the fuel filter housing manufactured from october 18, 2005, through march 21, 2006, sold for use on the vehicles listed above and on certain school buses. (to see the school bus engine sizes, click on "document search" and then "bus applications"). The connector on the fuel filter was not manufactured to honeywell's specification. As a result, the o-ring may not seat correctly on the fuel line.

Risk. This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. In the presence of an ignition source, a fire could occur.

Fix. Honeywell will notify owners and replace the fuel filters free of charge. The recall began on october 18, 2006. Owners may contact fram customer service at 1-800-890-2075 (option 1).

1985 Buick Somerset recalls 1

Fuel System, Gasoline06E043000

What's wrong. Certain replacement fuel filters, fram brand name p/n g3727, with date codes x52911 through x60801 sequentially or x600141 and a mexico country or origin marking on the fuel filter housing manufactured from october 18, 2005, through march 21, 2006, sold for use on the vehicles listed above and on certain school buses. (to see the school bus engine sizes, click on "document search" and then "bus applications"). The connector on the fuel filter was not manufactured to honeywell's specification. As a result, the o-ring may not seat correctly on the fuel line.

Risk. This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. In the presence of an ignition source, a fire could occur.

Fix. Honeywell will notify owners and replace the fuel filters free of charge. The recall began on october 18, 2006. Owners may contact fram customer service at 1-800-890-2075 (option 1).

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Best and worst years for the Buick Somerset

Based on NHTSA owner-complaint volume across 3 tracked years, the worst years are 1986, 1985, 1987 and the best (fewest complaints) are 1987, 1985, 1986.

ForCar aggregate — our own analysis of complaint volume, not published by NHTSA.

FIG.03
YearOwner complaintsTop issueVerdict
1985 Somerset3Engine And Engine CoolingAvoid
1986 Somerset8Seat BeltsAvoid
1987 Somerset0Avoid
ROWS 3·SOURCE NHTSA + ForCar
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What are the most common Buick Somerset problems?

The most-reported Buick Somerset problems are Tires (1 reports), Steering (1 reports) and Structure (1 reports) — out of 11 owner complaints NHTSA holds for the model. Here's how they break down:

0
involved a crash
1
involved a fire
0
injuries reported
0
deaths reported

Most-reported components — tap a category to read what owners actually experienced:

Engine And Engine Cooling 27% 3 Read
1985 Somerset

Vehicle fire. (ohio state police report)

1986 Somerset

Engine froze due to a punctured oil filter caused by a design flaw. The oil filter is on the bottom of engine and hangs 2-3 inches below the frame.

1985 Somerset

When brakes are applied the vehicle jerks and stall, unable to locate problem. Nlm

Electrical System 18% 2 Read
1986 Somerset

The electric ignition module keeps going out. Replaced (4) times in the last (5) years.*ak

1985 Somerset

Intermittent stalling when vehicle at operating temperature, restarts after cooling. *skd

Seat Belts 18% 2 Read
1986 Somerset

Driver and passenger side auto restraint system failure ea94-039. Tt

1986 Somerset

Driver's seat belt retractor failed, causing belt to become stuck in case. *skd

Structure 9% 1 Read
1986 Somerset

The paint is rusting behind the surface, consumer believes this vehicle should be recalled. Nlm

Tires 9% 1 Read
1986 Somerset

Tire's on vehicle (uniroyal rallye hp 205/70r 13ms), have all shown signs of flaws, bulge and separation causing failure. Mjs

Steering 9% 1 Read
1986 Somerset

Rack and pinion steering sticks. Please describe. Tt

Exterior Lighting 9% 1 Read
1986 Somerset

Headlight switch failed, causing headlights to go out while driving at night. *skd

Source: NHTSA owner complaints, all model years. Bar = share of total complaints. Full reports searchable on NHTSA.gov.

Buick Somerset specifications & dimensions

The 1987 Buick Somerset. Full dimensions below — engine, horsepower and trim decode from your VIN. For the original factory build — MSRP, trim and standard equipment — rebuild the Buick Somerset window sticker.

Specs cache warming…

Source: NHTSA vPIC / Transport Canada vehicle specifications. Metric values converted to imperial; generation ranges approximate.

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Buick Somerset cargo space, seating & interior room

How much the Somerset holds — passengers and cargo. Seating, cargo and interior dimensions vary by trim and seat configuration — decode your VIN for the exact build.

Exact seating capacity, third-row availability, legroom and headroom decode from your VIN or vary by trim — the original factory equipment & options list shows what each trim included.

Passenger & cargo volume from EPA fueleconomy.gov (largest configuration). Seats, legroom and headroom from NHTSA vPIC on VIN decode.

Buick Somerset tire size, oil type & owner specs

The fitment owners look up most — tires, wheels, oil and batteries. Exact wheel and tire sizes decode from your VIN or the driver's door-jamb placard; the universal items are listed below.

Wheels & tires
Wheel sizeby VIN
Tire sizeby VIN
Bolt patternby trim
Tire pressure32–36 PSI
Engine oil
Oil typeFull synthetic
Gradeon oil cap
Capacityby engine
Battery
Main battery12V · group by trim
Key-fob cellCR2032
Wiper blades
Front bladesby generation
Rear bladeif equipped
Fuses
Fuse boxeshood + dash
Diagramon box lid
Light bulbs
Headlightby trim
Tail / brakeby trim
Fogif equipped

Exact tire, wheel, oil grade, capacity and battery group are added per trim and model year — decode your VIN above for the factory fitment. Universal items shown as-is.

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What MPG does the Buick Somerset get?

The Buick Somerset returns up to 25 combined MPG (EPA), which works out to roughly $2,500/yr in fuel. Pick an engine to see MPG, annual running cost and CO₂ by year:

The 1987 Buick Somerset (3L 6-cyl) gets 20 mpg combined and costs about $3,100/yr to fuel, emitting 444 g/mi CO₂ — about $4,500 more than the average new vehicle over 5 years.

FIG.04a
YearCityHwyCombFuel/yrCO₂ g/miSmogEngine
1987 Somerset172520$3,1004443L 6-cyl
1986 Somerset172520$3,1004443L 6-cyl
1985 Somerset182420$3,1004443L 6-cyl
ROWS 3·SOURCE EPA (ForCar database)

The 1987 Buick Somerset (2.5L 4-cyl) gets 23 mpg combined and costs about $2,700/yr to fuel, emitting 386 g/mi CO₂ — about $2,500 more than the average new vehicle over 5 years.

FIG.04b
YearCityHwyCombFuel/yrCO₂ g/miSmogEngine
1987 Somerset192923$2,7003862.5L 4-cyl
1986 Somerset213124$2,6003702.5L 4-cyl
1985 Somerset213125$2,5003552.5L 4-cyl
ROWS 3·SOURCE EPA (ForCar database)

Source: EPA fuel-economy database (ForCar-hosted, 1986–2027) — best combined rating per engine & year, with EPA annual fuel cost and tailpipe CO₂. Trim & drivetrain vary slightly; decode your VIN for the exact figure.

See how the Somerset stacks up against the most fuel-efficient cars, or calculate this Somerset's real yearly fuel cost.

What engines does the Buick Somerset have? Power & range

The Buick Somerset is offered with 2 powertrains — 3L 6-cyl, 2.5L 4-cyl. Here's the lineup by engine, transmission and drivetrain.

FIG.05
EngineDisplacementTransmissionDriveFuel
V63.0L · 6-cylAutomatic 3-spdFWDRegular
4-cyl2.5L · 4-cylAutomatic 3-spdFWDRegular
ROWS 2·SOURCE EPA + NHTSA vPIC

Horsepower, torque and fuel-tank size decode from your VIN — exact figures vary by engine and trim.

Source: EPA fueleconomy.gov (engines, drivetrain, range, charge time). Horsepower & torque from NHTSA vPIC on VIN decode.

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How much does a Buick Somerset cost to own?

A Buick Somerset tends to depreciate faster than average. A typical example keeps roughly 37% of its value after five years — losing about 63% to depreciation. Check what a used Somerset is worth today or browse current used-market prices before you buy or sell. Fuel, maintenance and insurance add to the total cost to own.

75%
Value @ 1 yr
53%
Value @ 3 yrs
37%
Value @ 5 yrs
$12,500
Est. 5-yr fuel
FIG.06
$
AgeValue retainedEst. resale valueLost to depreciation
Year 175%$22,500−$7,500
Year 263%$18,900−$11,100
Year 353%$15,900−$14,100
Year 444%$13,200−$16,800
Year 537%$11,100−$18,900
ROWS 5·SOURCE ForCar estimate

What goes into the five-year cost to own:

  • Depreciation — the biggest cost: this Somerset loses about 63% of its value over five years. See the full depreciation curve by age.
  • Fuel — ≈ $12,500 over five years at roughly 15,000 miles a year.
  • Maintenance & repairs — routine service, tires and wear items as the Somerset ages.
  • Insurance — varies by driver, state and trim; get a quote for your exact figure.

Resale & depreciation are ForCar estimates from typical segment value-retention curves — not a live market quote. Fuel from EPA fueleconomy.gov at ~15k mi/yr.

Is the Buick Somerset safe?

NHTSA crash-test ratings aren't published for the Somerset yet — see the top-rated safest cars instead.

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How many miles does a Buick Somerset last?

A well-maintained Buick Somerset typically lasts 250,000–300,000+ miles. It's exceptionally durable — with routine maintenance many owners report 250k+ on the original powertrain. Its ForCar Reliability Score is 4.0/5.

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Check your Buick Somerset’s VIN — history, recalls & specs

Title records, open recalls, build details and paint code — straight from the VIN. Free.

Check this Somerset’s VIN free →

All Buick Somerset model years

A year-by-year snapshot of the Buick Somerset — recalls, best EPA fuel economy and NHTSA safety. Tap a year for full details.

FIG.09
YearRecallsBest MPGSafety
1987 Somerset1 recall23 mpg
1986 Somerset1 recall24 mpg
1985 Somerset1 recall25 mpg
ROWS 3·SOURCE NHTSA + EPA

Recalls = NHTSA campaigns that year · MPG = best EPA combined · Safety = NHTSA overall stars (tested years).

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Frequently asked questions

What are the worst years for the Somerset?

By owner-complaint volume, 1986, 1985, 1987 drew the most reports. 1987, 1985, 1986 have the cleanest records.

How many recalls does the Somerset have?

3 recorded NHTSA recalls across 1985–1987. Always check open recalls by your VIN.

What MPG does the Somerset get?

Up to 25 combined MPG (EPA), depending on engine — from the base 4-cylinder to the hybrid.

How many miles does a Somerset last?

A well-maintained Somerset typically reaches 200,000–300,000 miles with regular maintenance.

Is the Somerset reliable?

Our ForCar Reliability Score for the Somerset is 4.0/5, based on NHTSA safety, recall history and complaint severity.

What's the Buick Somerset warranty?

New Buick models carry a 3 years / 36,000 miles basic (bumper-to-bumper) warranty and a 5 years / 60,000 miles powertrain warranty. Coverage can vary by model year and market — confirm with a Buick dealer.

Where is the Buick Somerset made?

The assembly plant is encoded in the VIN — the 11th character. Decode your Somerset's VIN above to see exactly where it was built; Buick may build it at more than one plant depending on the year.

How much ground clearance does the Somerset have?

Ground clearance varies by trim and drivetrain — AWD/4WD versions often sit higher. Decode your VIN or check the specific trim for the exact figure.

Data sourced from NHTSA (recalls, complaints, safety ratings) and EPA fueleconomy.gov (MPG). Best/worst-year analysis is ForCar's own aggregation of complaint volume. Last updated Jul 2026. — ForCar Editorial Reviewed by Denis Kataev, founder of ForCar.
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