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Plan d’maintenance Buick Regal VI TourX
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📖Buick Regal VI TourX: rugged all-terrain estate demanding diligent Twinster AWD and estate body care

Buick Regal VI TourX (2018-2020)

The Buick Regal TourX represented Buick's daring return to the full-size estate car market after more than two decades. Based on the Opel Insignia Country Tourer and built in Rüsselsheim, Germany, it featured raised ground clearance, protective body cladding, standard all-wheel drive and a cavernous load bay. Sustaining this versatile family adventurer requires dedicated Buick Regal maintenance, focusing on all-wheel-drive fluids and turbo cooling.

Power is provided by the refined 250 hp 2.0-litre 2.0T LTG turbo mated to an 8-speed automatic gearbox and standard Twinster AWD with twin rear wet clutches. The extended estate body provides over 2,000 litres of cargo volume with seats folded, resting on raised suspension that absorbs rough gravel trails with ease.

When evaluating a pre-owned TourX, inspect the rear Twinster differential for fluid condition, check the powered tailgate for smooth operation, and inspect the boot well for moisture. A healthy TourX is a rare, exceptionally practical and handsome European-built family estate.

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Owner notes

The reassuring points, known weak spots and deadlines you should not let slip.

Reassuring points

Reliability
  • Cavernous estate wagon luggage capacity offering exceptional cargo room and family versatility.
  • Standard Twinster all-wheel-drive system delivering tenacious all-weather and winter traction.
  • Supple, long-travel suspension providing outstanding motorway isolation and rough-road capability.

Chronic weak spots

Keep an eye on
  • Twinster rear differential clutch fluid: change fluid preventively to protect the twin clutch packs from wear.
  • 2.0T LTG engine lubrication: use genuine dexos1 Gen 3 oil to protect turbocharger bearings and pistons.
  • 8-speed automatic transmission: check for smooth gear shifts without hesitation during hill climbing.
  • Powered estate tailgate and seals: check tailgate motors and inspect boot well for water ingress.
  • Front suspension wishbones and links: inspect bushes for play after driving on unpaved gravel roads.

Critical deadlines

Do not miss
  • Engine oil and filter change: renew every 8,000 to 10,000 km or 12 months with dexos1 synthetic oil.
  • Twinster AWD differential service: drain and refill rear drive unit fluid every 40,000 to 50,000 km.
  • Automatic transmission service: replace 8-speed gearbox fluid every 60,000 to 80,000 km.
  • Brake fluid service: flush hydraulic fluid every 24 months to maintain braking performance.

Fréquences d'maintenance recommandées

Service markers for petrol/diesel versions. Exact intervals vary by engine and model year.

Oil change

Every 15 000 km

Every 1 year

Service

Every 15 000 km

Every 1 year

Brake pads

Every 30 000 km

Every 2 years

Poids ou puissance élevés : usure des number platettes accélérée sur certaines versions

Timing belt / chain

Every 100 000 km

Every 5 years

Battery (12 V)

Every 50 000 km

Every 4 years

Powertrains and average consumption

Average consumption from manufacturer data for the versions available in this generation.

Petrol and diesel powertrains
▾

Petrol, diesel or LPG versions. The intervals shown cover the usual mechanical jobs.

Regal VI TourX

Estimated average budget

Standard cost

Servicing a Buick Regal VI TourX sits in line with the market average.

Simple oil change~100 €
Full service~275 €
Front brake pads~130 €
Timing-belt kit~650 €
Tyres (set of 4)~400 €

* Indicative estimates for parts and labour.

Frequently asked questions about Buick Regal VI TourX

What are the common problems on the Regal VI TourX?▾
Regal VI TourX owners should especially watch: Twinster rear differential clutch fluid: change fluid preventively to protect the twin clutch packs from wear. 2.0T LTG engine lubrication: use genuine dexos1 Gen 3 oil to protect turbocharger bearings and pistons. Garajo includes these watch points so you can act early.
When should you change the timing belt on a Regal VI TourX?▾
The timing belt is usually replaced every 100,000 km or 5 years on this type of engine.
Where can I find the service book for the Buick Regal VI TourX?▾
Garajo offers a free digital service book, always up to date, with reminders and a detailed history for your Buick Regal VI TourX.
How much does it cost to service a Buick Regal VI TourX?▾
The service budget for a Buick Regal VI TourX sits in line with the market average. Allow about 275 € for a full service, for example. Garajo estimates your budget by powertrain and tracks what you actually spend, for free.
Which Buick Regal VI TourX powertrain is best for town use?▾
This model is only available as petrol/diesel. Fuel mix: 1 petrol version. In town, prefer the most economical, well-serviced petrol/diesel version.
Which Buick Regal VI TourX powertrain should you choose if you mostly drive on the motorway?▾
This model is only available as petrol/diesel. Fuel mix: 1 petrol version. On the motorway, prefer petrol/diesel versions with the best power-to-consumption compromise.

Compatible engine oil

Which engine oil for Buick Regal VI TourX?

These links are limited to the engines of this generation when oil data is available.

Unsure between two viscosities?5W-30 vs 0W-300W-20 vs 0W-305W-30 vs 5W-40
← All Regal generationsAll Buick models

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