Buick Regal Sportback Service & Repair Manual 2018–2020

Service and repair manuals for 3 model years of the Buick Regal Sportback, 2018 to 2020. Each manual is matched to one exact year — the specifications and procedure sequences are the ones Buick published for that year's engine and trim, not values carried across the whole production run.

Engines across the range: 2.0L I4 — 122 cu in, DOHC, turbocharged · 3.6L V6 — DOHC.

Federal safety record, all years: 8 recalls, 39 owner complaints and 1,666 technical service bulletins are logged for the Regal Sportback. Refreshed 2026-08-21.

01 / Model yearsChoose your Regal Sportback year

YearPriceRecallsEnginesTrims
2020 $49.992 2.0L I4; 3.6L V6 Base Hatchback 4-Door · Essence Hatchback 4-Door · Preferred Hatchback 4-Door · GS Hatchback 4-Door +1 details →
2019 $49.993 2.0L I4; 3.6L V6 Preferred II Hatchback 4-Door · Base Hatchback 4-Door · Essence Hatchback 4-Door · Preferred Hatchback 4-Door +2 details →
2018 $49.993 2.0L I4; 3.6L V6 Preferred II Hatchback 4-Door · Base Hatchback 4-Door · Essence Hatchback 4-Door · Preferred Hatchback 4-Door +1 details →

Related Buick models: Buick Regal 1982–2017

02 / OwnershipOwn it — don't rent it

OptionWhat you payAfter a year
eManualStore Regal Sportback manual$49.99 onceStill yours
Per-vehicle online subscriptionfrom $29 / year, renewingPay again or lose access
Library membership services$33 / month, capped$396 spent, nothing kept
Professional shop databases$499–$2,388 / yearRenew or lose access

Competitor figures as published on their sites, August 2026.

FAQQuestions about the Regal Sportback manual

Which Regal Sportback years does this manual cover?

Every year from 2018 to 2020 — 3 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.

Is this the OEM Buick Regal Sportback manual or an aftermarket guide?

The OEM version. It carries the procedures, specifications, torque values and wiring diagrams Buick published for the Regal Sportback, organized by system — not a condensed aftermarket summary.

Does it include Regal Sportback wiring diagrams?

Yes. Full wiring diagrams are part of every Regal Sportback manual, alongside repair procedures, specifications and diagnostic information.

Does the manual cover Regal Sportback recalls?

8 recalls are on federal record across the 2018–2020 Regal Sportback, listed by year below. The manual carries the manufacturer's diagnostic and repair procedures behind the systems involved; the recall repairs themselves are performed free by Buick dealers.

Why do some Regal Sportback years cost more?

Every Regal Sportback year is $49.99.

Is this a subscription?

No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.

How do I get the manual after purchase?

It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.

RelatedSame-era Buick manuals

By year: 2020 · 2019 · 2018