BMW 3 Series BMW iX3

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 iX3
Fuel (differs) Diesel Electric
Model years (differs) 2019-now 2025-now
From (indicative) (differs) € 52,900 € 70,900
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 n/a
Efficiency (differs) 80/100 n/a
Practicality (differs) 72/100 80/100
Value retention (differs) 70/100 n/a
Sustainability (environmental impact) (differs) 34/100 81/100
Specifications
Body style (differs) Sedan SUV
Power (hp) (differs) 190 469
0–100 km/h (s) (differs) 6.9 4.9
Top speed (km/h) (differs) 235 210
Length (mm) (differs) 4713 4782
Width (mm) (differs) 1827 1895
Height (mm) (differs) 1440 1635
Kerb weight (kg) (differs) 1645 2360
Diesel consumption (l/100km) (differs) 4.8
Max. towing weight, braked (kg) (differs) 1800 2000
Boot (l) (differs) 480 520
Range (WLTP, km) (differs) 805
Battery (kWh) (differs) 108.7
Fast charging, public charger (kW) (differs) 400
Consumption WLTP (kWh/100km) (differs) 15.1
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
  • BMW iX3 · Sustainability (environmental impact): WLTP consumption + BMW battery warranty (8 yr/160,000 km) + LCA indication ICCT 2024 for C-segment EV SUV · reference date 2026-05-20
  • BMW iX3 · Reliability: too recent for reliable data, reference date 2026-05-20 · reference date 2026-05-20
  • BMW iX3 · Efficiency: too recent for reliable data, reference date 2026-05-20 · reference date 2026-05-20
  • BMW iX3 · Practicality: Boot 520 l + 58 l frunk + towing weight 2,000 kg (manufacturer figure, indicative) · reference date 2026-05-20
  • BMW iX3 · Value retention: too recent for reliable data, reference date 2026-05-20 · reference date 2026-05-20

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 · NA5 (2025-, Neue Klasse)

BMW iX3

First model on BMW's new Neue Klasse platform, production started October 2025 in Debrecen, Hungary. 800V architecture, 108.7 kWh net battery and DC charging up to 400 kW peak. WLTP around 805 km for the 50 xDrive (manufacturer figure, indicative). Braked towing weight 2,000 kg, boot 520 litres plus 58 litre frunk. Indicative German starting price 70,900 euro for 50 xDrive; an entry RWD version has been announced at a lower price point.

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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.