Rolls-Royce Black Badge Cullinan vs Lexus RX

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.

Rolls-Royce Black Badge Cullinan in South Africa

Rolls-Royce Black Badge Cullinan

Black Badge Cullinan Series II Petrol 8-Speed Automatic Current
Price on request
⚡ 441 kW 🔧 900 Nm ⛽ 5.95 km/l
VS
Lexus RX in South Africa

Lexus RX

RX 350 F SPORT Petrol 8-Speed Automatic Current
ZAR 1,642,900 ex-showroom
⚡ 205 kW 🔧 430 Nm ⛽ 11.5 km/l
+ Add a 3rd car

Decision summary

Rolls-Royce Black Badge Cullinan vs Lexus RX: the short answer

Black Badge Cullinan and RX are close on the comparable published fields, so buyer priorities should decide.

Five key differences

Exact selected derivatives
Specification Black Badge Cullinan RX
Maximum Power Black Badge Cullinan441 kW @ 5250-5750 rpm RX205 kW @ 6000 rpm
Maximum Torque Black Badge Cullinan900 Nm @ 1700-4000 rpm RX430 Nm
Engine Size Black Badge Cullinan6750 cc RX2400 cc
Combined Fuel Economy Black Badge Cullinan5.95 km/l RX11.5 km/l
Ground Clearance Black Badge Cullinan173 mm RX185 mm

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

What Each Car Gets Right (and Wrong)

Specification evidence leader

Black Badge Cullinan

Strengths
  • More powerful engine output
  • Stronger listed safety equipment
Weak Spots
  • Lower fuel efficiency
Best suited to: Published Performance

RX

Strengths
  • Better fuel efficiency
Weak Spots
  • Less powerful engine setup
  • Fewer listed safety features
Best suited to: Published Efficiency

Which One's Right for You?

Black Badge Cullinan

  • Buyers prioritising the stronger published powertrain figures
  • Buyers prioritising the more complete listed safety equipment

RX

  • Buyers prioritising the lower published fuel or energy use

Full Specs, Side by Side

Spec Black Badge Cullinan RX
Model Introduced Year 2020 2023
Generation Black Badge Cullinan Series II, the high-power alter ego of the current Cullinan SUV Fifth-generation Lexus RX luxury SUV
Facelift History Black Badge Cullinan debuted globally in 2019, was introduced in South Africa in 2020 and evolved into Black Badge Cullinan Series II in May 2024 Current fifth-generation South African range with petrol, hybrid, performance-hybrid and plug-in-hybrid choices
Facelift Launched Since 2024 Current fifth-generation South African range with petrol, hybrid, performance-hybrid and plug-in-hybrid choices
Facelift Version Ending Current Current South African specification checked 2026-07-17
Body Style Five-door performance-luxury SUV SUV
Model Year 2026 2026
Production Status active published
Segment Full-size performance super-luxury SUV Luxury SUV
Vehicle Type Internal-combustion sport utility vehicle SUV
Tare Mass Kg - 1895-2005 kg
Spec Black Badge Cullinan RX
Length 5355 mm 4890 mm
Width 2000 mm 1920 mm
Height 1835 mm 1695 mm
Wheelbase 3295 mm 2850 mm
Ground Clearance (Default) 173 mm 185 mm
Ground Clearance (With Full Seating Load) 173 mm -
Fuel Tank Capacity 90 l 67.5 l
Boot/Cargo Space 612 l 612 l
Kerb Weight 2725 kg -
Gross Vehicle Weight (GVW) 3300 kg 2590 kg
Payload Capacity 575 kg -
Towing Capacity 2700 kg 2000 kg
Seating Capacity 5 seats 5 seats
Number of Rows 2 rows -
Doors 5 doors 5 doors
Minimum Turning Radius 6.6 m 5.9 m
Front Headroom 1064 mm -
Rear Headroom 1026 mm -
Front Legroom 1006 mm -
Rear Legroom 1090 mm -

In depth: how these cars differ

This Black Badge Cullinan and RX comparison uses the exact derivatives selected above for South Africa. The catalogue index covers performance, efficiency, safety equipment, practicality and ownership cover only where comparable source-backed fields are present.

Performance index: Black Badge Cullinan 100 vs RX 85.

Efficiency index: Black Badge Cullinan 28 vs RX 46.

Safety-equipment index: Black Badge Cullinan 99 vs RX 93.

Practicality index: Black Badge Cullinan 75 vs RX 75.

Ownership-cover index: Black Badge Cullinan not separately scored vs RX not separately scored.

These figures are Hagalu catalogue-comparison indicators, not customer ratings, crash-test scores, resale guarantees or a substitute for a road test. Each page shows its weighted source coverage beside the result.

Specification Evidence Index

A transparent comparison of published catalogue fields. This is not a road-test score, owner rating or editorial review rating, and it appears only when every vehicle clears the same comparable-data threshold.

Evidence / 100
Evidence-index readout

Black Badge Cullinan leads by 2 points

Black Badge Cullinan and RX are close on the comparable published fields, so buyer priorities should decide.

Evidence leader 79 /100
Lead 2 points
Data 83% source coverage
79
#1 Evidence leader

Black Badge Cullinan

83% source coverage 3 strong categories
Best at Performance 100 Check Efficiency 28
Performance 100
Efficiency 28
Safety 99
Practicality 75
Leads by 2 points
77
#2

RX

70% source coverage 3 strong categories
Best at Safety 93 Check Efficiency 46
Performance 85
Efficiency 46
Safety 93
Practicality 75
Performance 24% Safety 22% Practicality 22% Efficiency 17% Ownership 15%
Category leaders What moves the verdict
Performance Black Badge Cullinan +15 Efficiency RX +18 Safety Black Badge Cullinan +6 Practicality Level

Close catalogue match. Buyer priorities should decide the outcome.

Why this score View full breakdown
Evidence-index leader

Black Badge Cullinan

Performance 100/100
Efficiency 28/100
Safety 99/100
Practicality 75/100

RX

Performance 85/100
Efficiency 46/100
Safety 93/100
Practicality 75/100

What the evidence means

Evidence index Rolls-Royce Black Badge Cullinan leads the specification evidence index with 79 pts vs 77 pts for RX

In Hagalu's specification evidence index, Black Badge Cullinan leads. However, RX may suit buyers prioritising different confirmed fields. Ultimately, the right choice depends on your driving priorities in South Africa.

Black Badge Cullinan vs RX 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.