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2018+

The Buick Regal entered its 2018+ generation with a new direction, discontinuing the traditional sedan body style in favor of a sporty five-door hatchback called the Regal Sportback. This model represented a shift towards more versatile and contemporary designs. The Regal Sportback featured a sleek and modern exterior, combining the practicality of a hatchback with an elegant profile. The interior continued to emphasize comfort and quality, offering spacious seating and a range of advanced technology features, including a user-friendly infotainment system. In addition to the Sportback, Buick introduced the Regal TourX, a ruggedized wagon designed to cater to those seeking more adventurous lifestyles. Both models focused on delivering a refined, smooth driving experience, balancing comfort and performance. The Regal’s updated lineup aimed to cater to a diverse customer base, offering choices that blended versatility, style, and modern features.

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Specifications

Buick Regal specifications, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Chassis

  • FF Layout / F4 Layout
  • E2XX Platform

2.0L Turbocharged 4-Cylinder Engine (250 hp, 260 lb-ft of torque)

  • Recommended Oil Viscosity: 5W-30
  • Oil Certification: API
  • Drain Plug Torque: 18 lb-ft (24 Nm)
  • Oil Capacity: 5.7 quarts (5.4 liters)

Spark Plug Gap

  • 0.028-0.032 inch (0.7-0.8 mm)

2.6L V6 Engine (310 hp, 282 lb-ft of torque)

  • Recommended Oil Viscosity: 5W-30
  • Oil Certification: API
  • Drain Plug Torque: 18 lb-ft (24 Nm)
  • Oil Capacity: 6 quarts (5.7 liters)

Spark Plug Gap

  • 0.043 inch (1.1 mm)

Engine Coolant

  • Capacity: 7.6 quarts (7.2 liters) – 2.0L Turbocharged
  • Capacity: 10.6 quarts (10 liters) – 3.6L V6

Fuel

  • Capacity: 15.8 gallons (60 liters) – 2.0L Turbocharged
  • Capacity: 18.6 gallons (70 liters) – 3.6L V6
  • Fuel Type: Unleaded gasoline

Windshield Washer Fluid

  • Capacity: 4.5 liters, or 4.8 quarts – 2.0L Turbocharged
  • Capacity: 5.7 liters, or 6.0 quart – 3.6L V6

Brake Fluid

  • Type: DOT 3

Powertrain

  • 1.5 L LFV I4 (turbo)
  • 1.8 L LKN I4
  • 2.0 L LTG I4 turbo
  • 2.0 L LSY I4 turbo
  • 3.6 L LGX V6

Transmission

  • AWF8F45 (8-speed) (I4 AWD)
  • GM 9-speed Hydramatic 9T65
  • (I4 FWD, V6 AWD)
    CVT (30H China only)

Fuel Consumption

Lights

Front

  • Fog Light Bulb: H8 LED
  • High Beam Light Bulb: H7
  • Low Beam Light Bulb: H7
  • Side Marker Light Bulb Front: 2827
  • Turn Signal Light Bulb: LED
  • Daytime Running Light Bulb: LED

Rear

  • Brake Light Bulb: 64136
  • Turn Signal Light Bulb: 7507
  • Back-Up Reverse Light Bulb: 921
  • Tail Light Bulb: LED
  • Side Marker Light Bulb: LED
  • License Plate Light Bulb: 194

Interior

  • Trunk or Cargo Area Light: 194 / 7441
  • Dome Light Bulb: 98 / 2825
  • Map Light Bulb: 98
  • Interior Door Light Bulb: 6411 / 6428
  • Courtesy Light Bulb: 6411 / 6428