BMW 3 Series BMW iX

Two cars on the same rows. The figures are all here, with their sources, so you can read them yourself and decide what matters.

Comparison table

23 of these rows differ. They sit at the top. Figures come straight from the makers, indicative. A bullet (•) marks a differing row.
BMW 3 Series BMW iX
Fuel (differs) Diesel Electric
Model years (differs) 2019-now 2021-now
From (indicative) (differs) € 52,900 € 88,000
Status Available Available
RatingsRating figures: higher is better (scale 0-100). What each category measures is explained on the methodology page.
Reliability (differs) 73/100
Efficiency (differs) 80/100
Practicality (differs) 72/100
Value retention (differs) 70/100
Sustainability (environmental impact) (differs) 34/100
Specifications
Body style (differs) Sedan SUV
Power (hp) (differs) 190 408
0–100 km/h (s) (differs) 6.9 5.1
Top speed (km/h) (differs) 235 200
Length (mm) (differs) 4713 4953
Width (mm) (differs) 1827 1967
Height (mm) (differs) 1440 1695
Kerb weight (kg) (differs) 1645 2525
Diesel consumption (l/100km) (differs) 4.8
Max. towing weight, braked (kg) (differs) 1800 2500
Boot (l) (differs) 480 500
Range (WLTP, km) (differs) 602
Battery (kWh) (differs) 94.8
Fast charging, public charger (kW) (differs) 175
Consumption WLTP (kWh/100km) (differs) 17.8
Seats 5 5
Doors 5 5

OEM datasheets + RDW + ADAC (see methodology); rating and reference dates are listed per figure

Show sources and reference dates per rating
  • BMW 3 Series · Reliability: ADAC breakdown statistics 2025 segment + owner reviews + RDW recalls · reference date 2026-05-18
  • BMW 3 Series · Efficiency: Owner-reported diesel consumption vs WLTP 4.8 l/100km, public forums · reference date 2026-05-18
  • BMW 3 Series · Practicality: Boot 480 l + towing weight 1,800 kg vs segment (manufacturer figure, indicative) · reference date 2026-05-18
  • BMW 3 Series · Value retention: Residual-value indication, valuation guides segment (historical average; diesel demand uncertain) · reference date 2026-05-18
  • BMW 3 Series · Sustainability (environmental impact): WLTP consumption manufacturer figure diesel + exhaust emissions + environmental-zone impact (low-emission zones EU cities), reference date 2026-05-21 · reference date 2026-05-21

Who they are

A short write-up on each car, one paragraph apiece. We describe them on their own terms rather than picking a winner.

Profile · 320d (G20, LCI facelift 2022)

BMW 3 Series

Rear-wheel drive D-segment sedan with the 2.0 four-cylinder turbodiesel plus 48V mild hybrid. WLTP around 4.8 l/100km (manufacturer figure, indicative); on long distance owners report 5-5.5 l/100km (public forums, not measured by us). Braked towing weight 1,800 kg.

Profile · I20 (2021+)

BMW iX

Fully electric large SUV with carbon/aluminium structure. Available as xDrive45, xDrive60 and M70 xDrive. WLTP range up to 701 km (manufacturer figure, indicative).

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No tax or financial advice. Every figure shows its source and reference date. Always compare with an independent adviser and the official source. Source: OEM datasheets + RDW + ADAC (see methodology); rating and reference dates are listed per figure.