Powertrain families
B48 petrol I4 · B58 petrol I6 · B47 diesel I4 · B57 diesel I6
6 Series (G32) — Gran Turismo
2017–2023
Editorially reviewedReviewed 2026-08-10; market and model-year scope is stated in the record sources.
- Internal code
- G32
- Production
- 2017–2023
- Body style
- 5-door liftback
- Platform
- longitudinal layout · rear- or all-wheel drive
Body variants
6 Series → G32 → Gran Turismo
6 Series G32: history, design and engineering
How this generation came about, what made it different and how the selected gran turismo fits into the family.
G32 is a single five-door Gran Turismo liftback, not a fourth body derived from the preceding 6 Series coupe family. BMW explicitly developed it as the next iteration of the F07 5 Series Gran Turismo concept, combining a 3,070 mm wheelbase, high seating position, frameless doors and a one-piece tailgate under the 6 Series name.
The model was revealed in June 2017 and launched later that year with six-cylinder petrol and diesel derivatives, followed by additional four-cylinder and market-specific versions. Its 610–1,800-litre luggage range and long wheelbase belong specifically to this liftback and must not be used for an F06 Gran Coupe or any 6 Series coupe.
The 2020 lifecycle update revised exterior details, infotainment and driver assistance and applied 48-volt mild-hybrid technology across the documented European engine range. Production ended in 2023 without creating a G32 coupe, convertible or Gran Coupe branch.
2017–2023generation lifecycle
1body branches
4engine/drive families
6range designations
G32factory code
longitudinal layout · rear- or all-wheel drivearchitecture
Gran Turismo: dimensions and packaging
Dimensions can change with body, market and model year, so this page keeps them tied to the exact factory branch.
Length5,091 mm
Width1,902 mm
Height1,538 mm
Wheelbase3,070 mm
Luggage610–1,800 L
Fuel tank66–68 L
Seats5
Doors5-door liftback
| Body | Code | Production | Doors / seats | Length | Luggage |
|---|---|---|---|---|---|
| Gran Turismo | G32 | 2017–2023 | 5-door liftback / 5 | 5,091 mm | 610–1,800 L |
Engines and powertrains
The generation could span very different engines and drivetrains. The table keeps output, gearbox, market and production period together.
Factory modification matrix
Documented gran turismo applications; output and availability remain market- and model-year-specific.
| Model | Years | Engine | Output | Transmission | Drive | Market | Source |
|---|---|---|---|---|---|---|---|
| 620i Gran Turismo | 2018–2023 | B48B20 turbo inline-four | 258 PS | 8AT | RWD | Europe | The updated BMW 6 Series Gran Turismo |
| 630i Gran Turismo | 2017–2023 | B48B20 turbo inline-four | 258 PS | 8AT | RWD | Global range | The new BMW 6 Series Gran Turismo |
| 640i xDrive Gran Turismo | 2017–2023 | B58B30 turbo inline-six | 340 PS | 8AT | AWD | Global range | The new BMW 6 Series Gran Turismo |
| 620d Gran Turismo | 2018–2023 | B47D20 diesel inline-four + later 48 V | 190 PS | 8AT | RWD / xDrive | Europe | The updated BMW 6 Series Gran Turismo |
| 630d Gran Turismo | 2017–2023 | B57D30 diesel inline-six + later 48 V | 265–286 PS | 8AT | RWD / xDrive | Europe | The updated BMW 6 Series Gran Turismo |
| 640d xDrive Gran Turismo | 2017–2023 | B57D30 twin-turbo diesel + later 48 V | 320–340 PS | 8AT | AWD | Europe | The updated BMW 6 Series Gran Turismo |
Factory designations
620i · 630i · 640i xDrive · 620d · 630d · 640d xDrive
Petrol engines
Inline and V engines are grouped by engine family, displacement, induction system and emissions specification.
Diesel derivatives
Where diesels were offered, output, injection generation and emissions hardware are recorded market by market.
Electrification
Mild- and plug-in hybrids are separate derivatives; combustion-engine output must not be substituted for total system output.
How power reaches the road
Gearboxes, driven wheels and final-drive hardware changed with engine, market and production date.
Transmissions
Gearbox type and unit code follow engine, market and production date. Gear count alone does not identify the transmission.
Driven wheels
Catalog architecture: longitudinal layout · rear- or all-wheel drive. All-wheel-drive availability and hardware remain derivative-specific.
Final drive
Ratio, differential type and electronic control belong to the exact derivative and can differ on performance models.
What changed underneath
Suspension, brakes, safety systems and electronics evolved across the range, even when cars shared the same basic architecture.
Body-branch dimensions
- G32: 5,091 mm × 1,902 mm × 1,538 mm
Body & suspension
- Mounting points and geometry follow the body branch
- Springs and dampers follow axle load and chassis package
- Wheels and permitted loads follow the factory label
Brakes & steering
- Brake size follows engine and equipment
- Assistance type and steering ratio can change
- ABS/DSC generation follows model year
Passive safety
- Airbag count varies by market and year
- SRS parts are VIN-specific
- Structural repairs require factory procedures
Electronics
- Vehicle-bus generations changed during production
- Control-unit software levels must remain compatible
- Retrofits are recorded separately from factory equipment
How the generation evolved
The important launches, additions and updates did not always happen at the same time for every body or market.
G32 revealed
BMW presented the 6 Series Gran Turismo as the successor in concept to the 5 Series Gran Turismo.
Market launch
Initial six-cylinder petrol and diesel derivatives entered the first markets.
Regional range expansion
Four-cylinder and additional market-specific derivatives broadened the initial range.
Lifecycle update
Design, operating system, assistance and European mild-hybrid powertrains were updated.
Production ends
G32 production closed, ending this 6 Series liftback branch.
The versions that stood apart
Performance models, option packages and regional editions may look related, but their engineering and production identity can be very different.
Gran Turismo
G326 Series G32 is a distinct G32 body branch. A high-roof long-wheelbase liftback conceived for rear-seat space and long-distance luggage capacity. Engines/drive: B48 petrol I4, B58 petrol I6, B47 diesel I4, B57 diesel I6.
Inside the car
Cabin technology and standard equipment changed by country and year; a build sheet remains the best guide to one individual car.
Cabin & comfort
- Trim and seats follow option codes
- Climate systems vary by market
- Audio and navigation changed by model year
Lighting & assistance
- Lamp technology and modules follow production date
- Driver assistance cannot be inferred from buttons alone
- Regional rules affect lighting and warnings
What to check today
A practical starting point for inspecting and maintaining a car from this generation — not a diagnosis of an individual example.
Identify first
- Match VIN on body and documents
- Obtain the factory option list
- Confirm market and production date
Inspect the structure
- Check repairs and corrosion
- Assess suspension, brakes and tyres
- Compare fitted parts with factory specification
Mechanical history
- Read faults with compatible diagnostics
- Verify engine and transmission maintenance
- Separate invoices from unsupported verbal history
| Item | Interval / trigger | Catalog note |
|---|---|---|
| Engine oil & filter | CBS/factory schedule; time and mileage for historic cars | Oil approval follows the exact engine and market. |
| Brake fluid | Time-based factory schedule | ABS/DSC-compatible bleeding procedure is required after hydraulic work. |
| Coolant | Factory schedule and condition | Fluid specification and bleeding method are generation-specific. |
| Transmission & final drives | Unit type and operating conditions | Use the exact approved fluid; no one interval fits every derivative. |
How to identify the exact car
The badge and registration year tell only part of the story; production date, body code, engine and factory options complete it.
- Factory body codes
- G32 — Gran Turismo
- Range designations
- 620i, 630i, 640i xDrive, 620d, 630d, 640d xDrive
- Powertrain families
- B48 petrol I4, B58 petrol I6, B47 diesel I4, B57 diesel I6
- VIN
- Identifies model, plant and production branch and keys the parts catalog and factory equipment record.
- Production date
- More useful than first-registration year when choosing parts and locating technical revisions.
- Type code
- Refines engine, body, market and transmission combination.
- Option codes
- Confirm factory equipment; later retrofits are recorded separately.
- Unit number
- Supports engine or gearbox originality checks and component applicability.
Where the information comes from
The story is mapped through English Wikipedia and its bibliography, then important dates and technical claims are checked against BMW material.
- 01BMW 6 Series (G32)Wikipedia contributors
Secondary body, production, engine, facelift and discontinuation overview.
- 02The new BMW 6 Series Gran TurismoBMW Group PressClub
Factory concept lineage from F07, G32 body, dimensions, luggage and launch-range documentation.
- 03The new BMW 6 Series Gran TurismoBMW Group PressClub
Factory documentation of the 2020 lifecycle update and 48-volt mild-hybrid range.
Notes and limitations
- Research revision dated 2026-08-10: English Wikipedia was used as a subject and bibliography map; key claims were checked against the listed primary BMW Group material.
- G32 succeeds F07 in vehicle concept, not F06/F12/F13 in body type. Navigation should make that discontinuity explicit.
- The 2020 48-volt statement is scoped to the documented European range; other markets require their own launch and end dates.
- Tree years describe the worldwide generation lifecycle; individual market dates may be narrower.
- Exact dimensions, power, weight and emissions belong at body, engine, market and model-year level.
- Known-issue guidance is editorial context and never replaces inspection of the individual vehicle.
3 primary references · market differences documentedPhotography: Dinkun Chen, CC BY-SA 4.0 · Wikimedia Commons. Rights checked 2026-08-06; wikimedia commons 1,800 px derivative downloaded; local 640 px and 1,280 px avif versions created without cropping.Updated 6 August 2026