Isuzu MU-X vs BMW X4

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.

Isuzu MU-X in South Africa

Isuzu MU-X

3.0 DDi LSE 4x4 AT Diesel 6-Speed Automatic Current
ZAR 973,800 ex-showroom
⚡ 110 kW 🔧 350 Nm ⛽ 13.2 km/l
VS
BMW X4 in South Africa

BMW X4

M40i Petrol 8-Speed Automatic Current
ZAR 1,600,000 ex-showroom
⚡ 285 kW 🔧 500 Nm ⛽ 12.5 km/l
+ Add a 3rd car

Decision summary

Isuzu MU-X vs BMW X4: the short answer

MU-X and X4 are close on the comparable published fields, so buyer priorities should decide.

MU-X starts ZAR 447,600 cheaper MU-X from ZAR 752,400 · X4 from ZAR 1,200,000

Five key differences

Exact selected derivatives
Specification MU-X X4
Maximum Power MU-X110 kW @ 3600 rpm X4285 kW
Maximum Torque MU-X350 Nm X4500 Nm
Engine Size MU-X3000 cc X42998 cc
Combined Fuel Economy MU-X13.2 km/l X412.5 km/l
Ground Clearance MU-X235 mm X4140 mm

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

What Each Car Gets Right (and Wrong)

MU-X

Strengths
  • Stronger listed safety equipment
  • Stronger published practicality figures
Weak Spots
  • Less powerful engine setup
  • Lower fuel efficiency
Best suited to: Published Practicality
Specification evidence leader

X4

Strengths
  • More powerful engine output
  • Better fuel efficiency
Weak Spots
  • Fewer listed safety features
  • Lower published practicality figures
Best suited to: Published Performance Published Efficiency

Which One's Right for You?

MU-X

  • Buyers prioritising the more complete listed safety equipment
  • Buyers prioritising the stronger published space and capacity figures

X4

  • Buyers prioritising the stronger published powertrain figures
  • Buyers prioritising the lower published fuel or energy use

Full Specs, Side by Side

Spec MU-X X4
Model Introduced Year 2013 2018
Generation Current generation MU-X built on Isuzu D-Max platform Five-door coupé-style SUV from the established X4 generation, separate from X3 and without a current full-M derivative.
Facelift History Latest updates improved styling and safety tech Current South African X4 listing retained on BMW’s live range; current exact identities are xDrive20d and M40i.
Facelift Launched Since Original current-generation version Original current-generation version
Facelift Version Ending Current Current
Body Style 7-seat SUV SUV
Color Note White, Black, Silver, Grey, Red -
Dealer Stock Note Flagship grade in the South Africa lineup -
Drivetrain Note Drive layout derived from the official derivative naming: 3.0 DDi LSE 4x4 AT -
Gross Combined Mass Kg 5900 kg -
Model Year MY26 2026
Production Status active active
Segment SUV Premium SUV
Tare Mass Kg 2080 kg -
Vehicle Type SUV Car
Spec MU-X X4
Length 4850 mm 1 mm
Width 1870 mm 1 mm
Height 1825 mm 1 mm
Wheelbase 2855 mm 1 mm
Ground Clearance (Default) 235 mm 140 mm
Ground Clearance (With Full Seating Load) 220 mm 125 mm
Fuel Tank Capacity 80 l 50 l
Boot/Cargo Space 1119 l 472 l
Kerb Weight 2080 kg 1555 kg
Gross Vehicle Weight (GVW) 2800 kg 2060 kg
Payload Capacity 659 kg 452 kg
Towing Capacity 3500 kg 1600 kg
Seating Capacity 7 seats 5 seats
Number of Rows 3 rows 2 rows
Doors 5 doors 5 doors
Minimum Turning Radius 11.4 m 5.6 m
Front Headroom 1005 mm 992 mm
Rear Headroom 975 mm 941 mm
Front Legroom 1060 mm 1038 mm
Rear Legroom 900 mm 883 mm

In depth: how these cars differ

This MU-X and X4 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: MU-X 63 vs X4 97.

Efficiency index: MU-X 52 vs X4 57.

Safety-equipment index: MU-X 93 vs X4 92.

Practicality index: MU-X 93 vs X4 60.

Ownership-cover index: MU-X not separately scored vs X4 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

X4 leads by 2 points

MU-X and X4 are close on the comparable published fields, so buyer priorities should decide.

Evidence leader 78 /100
Lead 2 points
Data 83% source coverage
78
#1 Evidence leader

X4

83% source coverage 2 strong categories
Best at Performance 97 Check Efficiency 57
Performance 97
Efficiency 57
Safety 92
Practicality 60
Leads by 2 points
76
#2

MU-X

72% source coverage 2 strong categories
Best at Safety 93 Check Efficiency 52
Performance 63
Efficiency 52
Safety 93
Practicality 93
Performance 24% Safety 22% Practicality 22% Efficiency 17% Ownership 15%
Category leaders What moves the verdict
Performance X4 +34 Efficiency X4 +5 Safety MU-X +1 Practicality MU-X +33

Close catalogue match. Buyer priorities should decide the outcome.

Why this score View full breakdown
Evidence-index leader

X4

Performance 97/100
Efficiency 57/100
Safety 92/100
Practicality 60/100

MU-X

Performance 63/100
Efficiency 52/100
Safety 93/100
Practicality 93/100

What the evidence means

Evidence index BMW X4 leads the specification evidence index with 78 pts vs 76 pts for MU-X

In Hagalu's specification evidence index, X4 leads. However, MU-X may suit buyers prioritising different confirmed fields. Ultimately, the right choice depends on your driving priorities in South Africa.

MU-X vs X4 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.