Mercedes-Benz GLA vs MG MG3

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 GLA in South Africa

Mercedes-Benz GLA

GLA 200 Petrol Mild Hybrid 8-Speed DCT Current
ZAR 901,887 ex-showroom
⚡ 120 kW 🔧 270 Nm ⛽ 15.2 km/l
VS
MG MG3 in South Africa

MG MG3

1.5L Hybrid+ Hybrid 3-Speed Automatic Current
ZAR 469,900 ex-showroom
⚡ 75 kW 🔧 128 Nm ⛽ 23.26 km/l
+ Add a 3rd car

Decision summary

Mercedes-Benz GLA vs MG MG3: the short answer

GLA and MG3 are close on the comparable published fields, so buyer priorities should decide.

MG3 starts ZAR 631,987 cheaper GLA from ZAR 901,887 · MG3 from ZAR 269,900

Five key differences

Exact selected derivatives
Specification GLA MG3
Maximum Power GLA120 kW MG375 kW @ 6000 rpm
Maximum Torque GLA270 Nm MG3128 Nm @ 4500 rpm
Engine Size GLA1332 cc MG31498 cc
Combined Fuel Economy GLA15.2 km/l MG323.26 km/l
Ground Clearance GLA143 mm MG3149 mm

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

Independent editorial assessment

Hagalu editorial ratings

When a variant is selected, its rating out of five applies only to that exact derivative; a model-range review is not inherited. Editorial ratings are separate from the Specification Evidence Index out of 100 and are not customer ratings.

Mercedes-Benz GLA

GLA 200

Hagalu editorial rating Not yet rated

No complete editorial rating is published for this exact variant. This is not a zero score.

How Hagalu rates cars

MG MG3

1.5L Hybrid+

Hagalu editorial rating Not yet rated

No complete editorial rating is published for this exact variant. This is not a zero score.

How Hagalu rates cars

Not yet rated means a complete review is not published; it does not mean the vehicle scored zero. Read the rating methodology.

What Each Car Gets Right (and Wrong)

Specification evidence leader

GLA

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

MG3

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

Which One's Right for You?

GLA

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

MG3

  • Buyers prioritising the lower published fuel or energy use

Full Specs, Side by Side

Spec GLA MG3
Model Introduced Year 2026 2025
Generation Current South African GLA generation represented by derivative GLA 200 Current-generation five-door MG3 offered locally with naturally aspirated petrol and self-charging hybrid powertrains.
Facelift History Current-generation/facelift specification; derivative-specific South African configuration South African launch specification introduced in 2025.
Facelift Launched Since Current South African model cycle 2025
Facelift Version Ending Current Current
Body Style Suv Five-door hatchback
Model Year 2026 2026
Production Status Current South African retail range active
Segment Premium SUV Compact Hatchback
Vehicle Type SUV Hatchback
Spec GLA MG3
Length 4412 mm 4113 mm
Width 1834 mm 1797 mm
Height 1616 mm 1502 mm
Wheelbase 2729 mm 2570 mm
Ground Clearance (Default) 143 mm 149 mm
Ground Clearance (With Full Seating Load) 220 mm Not Officially Disclosed
Fuel Tank Capacity 43 l 36 l
Boot/Cargo Space 435 l 293 l
Kerb Weight 1650 kg 1308 kg
Gross Vehicle Weight (GVW) 2000 kg 1766 kg
Payload Capacity 550 kg 458 kg
Towing Capacity 2000 kg 500 kg
Seating Capacity 5 seats 5 seats
Number of Rows 2 rows 2 rows
Doors 5 doors 5 doors
Minimum Turning Radius 5.7 m 5.25 m
Front Headroom 960 mm Not Officially Disclosed
Rear Headroom 960 mm Not Officially Disclosed
Front Legroom 900 mm Not Officially Disclosed
Rear Legroom 900 mm Not Officially Disclosed

In depth: how these cars differ

This GLA and MG3 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: GLA 54 vs MG3 40.

Efficiency index: GLA 63 vs MG3 90.

Safety-equipment index: GLA 99 vs MG3 92.

Practicality index: GLA 62 vs MG3 48.

Ownership-cover index: GLA not separately scored vs MG3 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

GLA leads by 4 points

GLA and MG3 are close on the comparable published fields, so buyer priorities should decide.

Evidence leader 70 /100
Lead 4 points
Data 83% source coverage
70
#1 Evidence leader

GLA

83% source coverage 1 strong categories
Best at Safety 99 Check Performance 54
Performance 54
Efficiency 63
Safety 99
Practicality 62
Leads by 4 points
66
#2

MG3

82% source coverage 2 strong categories
Best at Safety 92 Check Performance 40
Performance 40
Efficiency 90
Safety 92
Practicality 48
Performance 24% Safety 22% Practicality 22% Efficiency 17% Ownership 15%
Category leaders What moves the verdict
Performance GLA +14 Efficiency MG3 +27 Safety GLA +7 Practicality GLA +14

Close catalogue match. Buyer priorities should decide the outcome.

Why this score View full breakdown
Evidence-index leader

GLA

Performance 54/100
Efficiency 63/100
Safety 99/100
Practicality 62/100

MG3

Performance 40/100
Efficiency 90/100
Safety 92/100
Practicality 48/100

What the evidence means

Evidence index Mercedes-Benz GLA leads the specification evidence index with 70 pts vs 66 pts for MG3

In Hagalu's specification evidence index, GLA leads. However, MG3 may suit buyers prioritising different confirmed fields. Ultimately, the right choice depends on your driving priorities in South Africa.

GLA vs MG3 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.