Mercedes-Benz G-Class vs BMW X6 M

A proper head-to-head in South Africa — compare price, performance, fuel economy or electric range, safety and the details that shape long-term ownership.

Mercedes-Benz G-Class in South Africa

Mercedes-Benz G-Class

G 450 d Diesel Current
ZAR 3,535,850 ex-showroom
⚡ 270 kW 🔧 750 Nm
VS
BMW X6 M in South Africa

BMW X6 M

X6 M Competition Petrol Mild Hybrid 8-Speed Automatic Current
ZAR 3,330,000 ex-showroom
⚡ 460 kW 🔧 750 Nm ⛽ 12.5 km/l
+ Add a 3rd car

Decision summary

Mercedes-Benz G-Class vs BMW X6 M: the short answer

Compare the available model information below. Hagalu has withheld a ranked verdict because the selected vehicles do not yet meet the minimum like-for-like source-coverage threshold.

X6 M starts ZAR 205,850 cheaper G-Class from ZAR 3,535,850 · X6 M from ZAR 3,330,000

Five key differences

Exact selected derivatives
Specification G-Class X6 M
Maximum Power G-Class270 kW X6 M460 kW
Maximum Torque G-Class750 Nm X6 M750 Nm @ 1800-5800 rpm
Engine Size G-Class2989 cc X6 M4395 cc
Combined Fuel Economy G-Class- X6 M12.5 km/l
Ground Clearance G-Class- X6 M140 mm

Strongest published figure in that row; no road-test winner is implied.

Full Specs, Side by Side

Spec G-Class X6 M
Model Introduced Year 2026 2019
Body Style Suv SUV
Model Year 2026 2026
Production Status Current South African retail range active
Generation - Separate full-M coupé-style SUV, distinct from the regular X6 and M60i xDrive.
Facelift History - Current F96-generation X6 M Competition in South African specification.
Facelift Launched Since - Original current-generation version
Facelift Version Ending - Current
Segment - Premium SUV
Vehicle Type - Car
Spec G-Class X6 M
Engine 2989/L6 BMW 48V mild-hybrid turbocharged engine
Fuel Type Diesel Petrol Mild Hybrid
Engine Displacement 2989 cc 4395 cc
Cylinders 6 8
Cylinder Layout Inline V
Maximum Power 270 kW 460 kW
Maximum Torque 750 Nm 750 Nm @ 1800-5800 rpm
Engine Code - B48
Hybrid System - 48V Mild Hybrid
Valves - 16
Valves per Cylinder - 4
Aspiration - Turbocharged
Fuel System - Direct injection
Compression Ratio - 10.5:1
Bore - 82.0 mm
Stroke - 94.6 mm
Combined Power - 1 kW
Combined Torque - 1 Nm
Motor Type - Permanent-magnet synchronous electric motor
Number of Motors - 1
Motor Location - Integrated transmission electric motor
Drive Type - AWD
Transmission - 8-Speed Automatic
Top Speed - 290 km/h
0-100 km/h - 3.9 sec
Quarter Mile - 15.5 sec
Drive Modes - Eco, Comfort, Sport
Launch Control - No
Rev Limiter - 6500 rpm
Power-to-Weight Ratio - 100 kW/tonne
Torque-to-Weight Ratio - 220 Nm/tonne
Battery Capacity - 1 kWh
Usable Battery Capacity - 64.8 kWh
Battery Type - Lithium-ion
Battery Voltage - 400 V
Electric Range - Not Applicable
AC Charging Power - Not Applicable
DC Charging Power - Not Applicable
AC Charging Time - Not Applicable
DC Charging Time - Not Applicable
Regenerative Braking - Yes

In depth: how these cars differ

This G-Class and X6 M comparison brings together local model information and available derivatives for South Africa. Prices and specifications appear only where they have been recorded for this market.

Hagalu has withheld an overall score because at least one selected vehicle does not yet have four comparable categories and 50% weighted source coverage. Missing catalogue evidence is not replaced with a neutral score or a guessed value.

Use the key-spec and full-spec tables to compare the fields that are confirmed. For a purchase decision, verify current availability, exact derivative equipment, finance, insurance and ownership cover with the relevant manufacturer or authorised retailer.

Specification Score Withheld

Hagalu does not turn missing specifications into neutral scores or guessed values.

Fail closed

Score withheld: fewer than four comparable categories or less than 50% weighted source coverage for at least one vehicle.

Use the verified key-spec and full-spec tables on this page. A ranked index will appear only after every selected vehicle has source-backed data in at least four categories and reaches 50% weighted coverage.

What the evidence means

No overall winner is declared because the selected vehicles do not yet meet Hagalu's minimum like-for-like source-coverage threshold. Compare the confirmed rows and verify the exact derivative before buying.

G-Class vs X6 M questions

There is no universal winner. Use the comparison table to match the models and available derivatives in South Africa on price, safety equipment, space, powertrain and ownership cover. The category indicators summarise published catalogue data; they are not a road test or customer rating.

Compare the published consumption or mileage rows for the exact derivatives using the same unit and test basis. A catalogue figure is useful for like-for-like comparison, but traffic, speed, load, weather and driving style can change actual fuel use.

Compare only equipment explicitly listed for each derivative, including airbags, stability control and driver-assistance systems. Confirm the exact trim with the manufacturer, and treat any independent crash-test result separately because equipment and ratings can differ by market.

A reliable five-year total cannot be calculated from catalogue data alone. Add the exact purchase and finance cost, fuel or electricity, insurance quotes, scheduled servicing, tyres and expected resale value. Check whether the selected derivative includes a service or maintenance plan.

Use the seating, boot or load-space, ISOFIX and safety rows as a first check. Then test the exact cars with your child seats, passengers and typical luggage, because published dimensions do not show every access or comfort difference.

Compare the published power, torque and 0–100 km/h rows when they are available for both exact derivatives. Vehicle weight, gearing and power delivery also matter, so catalogue outputs alone do not establish real-world overtaking or response.