BMW 3 Series BMW X3

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

21 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 X3
Fuel (differs) Diesel Hybrid
Model years (differs) 2019-now 2024-now
From (indicative) (differs) € 52,900 € 73,900
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 71/100
Efficiency (differs) 80/100 67/100
Value retention (differs) 70/100 68/100
Sustainability (environmental impact) (differs) 34/100 56/100
Practicality 72/100 72/100
Specifications
Body style (differs) Sedan SUV
Power (hp) (differs) 190 299
0–100 km/h (s) (differs) 6.9 6.2
Top speed (km/h) (differs) 235 215
Length (mm) (differs) 4713 4755
Width (mm) (differs) 1827 1920
Height (mm) (differs) 1440 1660
Kerb weight (kg) (differs) 1645 2140
Diesel consumption (l/100km) (differs) 4.8
Max. towing weight, braked (kg) (differs) 1800 2000
Boot (l) (differs) 480 460
Battery (kWh) (differs) 19.7
Range (WLTP, km) (differs) 90
Consumption WLTP (l/100km) (differs) 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 X3 · Reliability: ADAC breakdown statistics 2025 (segment) + aggregated owner reviews + RDW recalls (early data, limited n) · reference date 2026-05-21
  • BMW X3 · Efficiency: Owner-reported PHEV consumption depending on charging discipline (public forums, limited n) · reference date 2026-05-18
  • BMW X3 · Practicality: Boot 460 l + towing weight 2,000 kg vs segment (manufacturer figure, indicative) · reference date 2026-05-18
  • BMW X3 · Value retention: Residual-value indication from valuation guides (segment) (early data, indicative, limited history) · reference date 2026-05-21
  • BMW X3 · Sustainability (environmental impact): WLTP consumption manufacturer figure PHEV 1.0 l/100km + utility-factor criticism ICCT PHEV report 2024 · 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 · G45 xDrive30e (2024)

BMW X3

Mid-size SUV on the G45, renewed from 2024. The xDrive30e is a plug-in hybrid with about 299 hp system power and a 19.7 kWh net battery; WLTP electric range around 90 km (manufacturer figure, indicative). Braked towing weight 2,000 kg.

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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.