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BMW 3 Series G20 vs BMW 5 Series G30

BMW 3 Series

BMW 3 Series

G20 · 2018 – 2026

The seventh-generation 3 Series on the rear-drive CLAR platform.

VS
BMW 5 Series

BMW 5 Series

G30 · 2016 – 2023

The seventh-generation 5 Series on the rear-drive CLAR platform.

First car
Second car

Verdict

Pick this one if…

BMW 3 Series

Pick the 3 Series for benchmark handling, efficient engines and a premium cabin in a compact executive sedan.

Best engine: The 320d (190 hp diesel) — the classic 3 Series sweet spot.
Read the full guide
Pick this one if…

BMW 5 Series

Pick the 5 Series for a benchmark balance of comfort and handling, a hushed ride and a big boot in a premium executive sedan.

Best engine: The 520d (190 hp diesel) — the thrifty, torquey sweet spot.
Read the full guide

Performance

B48 320i · Petrol vs B48 520i · Petrol

BMW 3 Series BMW 5 Series
Power
184 hp
184 hp
Torque
300 Nm Winner
290 Nm
0–100 km/h
7,1 s Winner
7,8 s
Top speed
240 km/h Winner
235 km/h
Power-to-weight
125,2 hp/t Winner
119,1 hp/t
CO₂ emissions (WLTP)
134 g/km Winner
140 g/km
Consumption (WLTP)
5,9 L/100km Winner
6,2 L/100km

Dimensions & space

BMW 3 Series BMW 5 Series
Boot
480 L
530 L Winner
Boot (seats folded)
—
—
Wheelbase
2,85 m
2,98 m Winner
Length
4,71 m
4,94 m
Ground clearance
14,4 cm
14,4 cm
Turning circle
11,4 m Winner
12,0 m
Towing capacity (braked)
1.600 kg
2.000 kg Winner

Powertrain & tech

BMW 3 Series BMW 5 Series
Platform CLAR (rear-wheel-drive base) CLAR (rear-wheel-drive base)
Drive Rear-wheel drive · All-wheel drive Rear-wheel drive · All-wheel drive
Engine family B48 petrol · B47 diesel · plug-in hybrid B48 petrol · B47 diesel · plug-in hybrid
Transmission 8-speed automatic 8-speed automatic
Fuel Petrol Petrol
Euro standard Euro 6d-TEMP Euro 6d-TEMP
LEZ access Unrestricted access (compliant under current legislation) Unrestricted access (compliant under current legislation)

Reliability & watch-outs

Known issues

BMW 3 Series
  • Early iDrive/infotainment quirks
  • DPF on diesels doing mainly short trips
  • Timing chain rare but known on B48
BMW 5 Series
  • EGR cooler can leak on B47 diesels
  • Early iDrive (NBT EVO) software quirks
  • Level sensor of the optional air suspension can fail

Pros

BMW 3 Series
  • Benchmark handling (rear-drive base)
  • Efficient, strong B48/B47 engines
  • Excellent iDrive 7 infotainment
BMW 5 Series
  • Benchmark ride/handling balance (CLAR)
  • Efficient, quiet B47/B48 engines
  • Big boot (530 l) & roomy cabin

Cons

BMW 3 Series
  • Firm ride on M Sport suspension
  • Rear seat less roomy than some rivals
BMW 5 Series
  • Firm ride on M Sport + run-flat
  • Pricey options list