BMW 4 Series Convertible vs Changan Alsvin

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.

BMW 4 Series Convertible in South Africa

BMW 4 Series Convertible

M440i xDrive Convertible Petrol 8-Speed Automatic Current
ZAR 1,642,500 ex-showroom
⚡ 285 kW 🔧 500 Nm ⛽ 12.5 km/l
VS
Changan Alsvin in South Africa

Changan Alsvin

1.5 AT CE Petrol 5-Speed DCT Current
ZAR 289,900 ex-showroom
⚡ 78 kW 🔧 145 Nm ⛽ 14.49 km/l
+ Add a 3rd car

Decision summary

BMW 4 Series Convertible vs Changan Alsvin: the short answer

4 Series Convertible has a large lead in Hagalu's source-backed catalogue index over Alsvin.

Alsvin starts ZAR 896,600 cheaper 4 Series Convertible from ZAR 1,146,500 · Alsvin from ZAR 249,900

Five key differences

Exact selected derivatives
Specification 4 Series Convertible Alsvin
Maximum Power 4 Series Convertible285 kW Alsvin78 kW
Maximum Torque 4 Series Convertible500 Nm @ 1800-5000 rpm Alsvin145 Nm
Engine Size 4 Series Convertible2998 cc Alsvin1500 cc
Combined Fuel Economy 4 Series Convertible12.5 km/l Alsvin14.49 km/l
Ground Clearance 4 Series Convertible140 mm Alsvin150 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.

BMW 4 Series Convertible

M440i xDrive Convertible

Hagalu editorial rating
3.7/5

Desk research · Exact variant

Editorial assessment, not a customer rating. Not road-tested for this review.

Read the review and score breakdown

Changan Alsvin

1.5 AT CE

Hagalu editorial rating
3.9/5

Desk research · Exact variant

Editorial assessment, not a customer rating. Not road-tested for this review.

Read the review and score breakdown

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

4 Series Convertible

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

Alsvin

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?

4 Series Convertible

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

Alsvin

  • Buyers prioritising the lower published fuel or energy use

Full Specs, Side by Side

Spec 4 Series Convertible Alsvin
Model Introduced Year 2020 2025
Generation G23 four-seat premium convertible related to the G22 Coupé but with body- and roof-specific packaging. Current South African Alsvin generation launched with two locally named derivatives in 2025.
Facelift History Current updated G23-generation BMW 4 Series Convertible offered in South Africa with a fabric soft top. No South African facelift has been announced since the current range entered local retail sale.
Facelift Launched Since Original current-generation version Not Applicable
Facelift Version Ending Current Not Applicable
Body Style Convertible Sedan
Model Year 2026 2026
Production Status active active
Segment Premium Convertible Compact sedan
Vehicle Type Car Passenger car
Spec 4 Series Convertible Alsvin
Length 4770 mm 4390 mm
Width 1852 mm 1725 mm
Height 1394 mm 1490 mm
Wheelbase 2851 mm 2535 mm
Ground Clearance (Default) 140 mm 150 mm
Ground Clearance (With Full Seating Load) 125 mm Not Officially Disclosed
Fuel Tank Capacity 59 l 45 l
Boot/Cargo Space 385 l 390 l
Kerb Weight 1965 kg 1069 kg
Gross Vehicle Weight (GVW) 2375 kg 1470 kg
Payload Capacity 485 kg Not Officially Disclosed
Towing Capacity 1800 kg 705 kg
Seating Capacity 4 seats 5 seats
Number of Rows 2 rows 2 rows
Doors 2 doors 4 doors
Minimum Turning Radius 5.6 m 5.5 m
Front Headroom 997 mm Not Officially Disclosed
Rear Headroom 942 mm Not Officially Disclosed
Front Legroom 1049 mm Not Officially Disclosed
Rear Legroom 899 mm Not Officially Disclosed

In depth: how these cars differ

This 4 Series Convertible and Alsvin 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: 4 Series Convertible 97 vs Alsvin 35.

Efficiency index: 4 Series Convertible 49 vs Alsvin 56.

Safety-equipment index: 4 Series Convertible 92 vs Alsvin 32.

Practicality index: 4 Series Convertible 55 vs Alsvin 54.

Ownership-cover index: 4 Series Convertible not separately scored vs Alsvin 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

4 Series Convertible leads by 32 points

4 Series Convertible has a large lead in Hagalu's source-backed catalogue index over Alsvin.

Evidence leader 75 /100
Lead 32 points
Data 83% source coverage
75
#1 Evidence leader

4 Series Convertible

83% source coverage 2 strong categories
Best at Performance 97 Check Efficiency 49
Performance 97
Efficiency 49
Safety 92
Practicality 55
Leads by 32 points
43
#2

Alsvin

66% source coverage 0 strong categories
Best at Efficiency 56 Check Safety 32
Performance 35
Efficiency 56
Safety 32
Practicality 54
Performance 24% Safety 22% Practicality 22% Efficiency 17% Ownership 15%
Category leaders What moves the verdict
Performance 4 Series Convertible +62 Efficiency Alsvin +7 Safety 4 Series Convertible +60 Practicality 4 Series Convertible +1

Large difference in the source-backed catalogue index.

Why this score View full breakdown
Evidence-index leader

4 Series Convertible

Performance 97/100
Efficiency 49/100
Safety 92/100
Practicality 55/100

Alsvin

Performance 35/100
Efficiency 56/100
Safety 32/100
Practicality 54/100

What the evidence means

Evidence index BMW 4 Series Convertible leads the specification evidence index with 75 pts vs 43 pts for Alsvin

In Hagalu's specification evidence index, 4 Series Convertible leads. However, Alsvin may suit buyers prioritising different confirmed fields. Ultimately, the right choice depends on your driving priorities in South Africa.

4 Series Convertible vs Alsvin 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.