BMW 3 Series vs BMW 5 Series: which to buy in Ireland?
Both are rear-driven BMW saloons with strong Irish demand, so it comes down to size and budget. Buy the 3 Series if you want lower purchase and running costs, easier parking, and a sharper, more agile drive. Step up to the 5 Series for more rear legroom, a quieter motorway cruise and greater executive presence. For most private buyers the 3 Series is the sensible value choice; the 5 Series rewards higher-mileage drivers and those wanting more space and refinement.
Side by side on Autoza (live)
BMW 3 Series
- Median price
- €19,444
- Typical range
- €14,938–€24,974
- Years
- 2010–2024
- Most common fuel
- Diesel
- CO₂ (WLTP)
- 118–172 g/km (diesel)
BMW 5 Series
- Median price
- €21,900
- Typical range
- €16,950–€28,888
- Years
- 1997–2025
- Most common fuel
- Diesel
- CO₂ (WLTP)
- 126–193 g/km (diesel)
CO₂ measured across Irish registrations (EEA data). It sets the VRT on an import — estimate it for the 3 Series · estimate it for the 5 Series.
Key differences
- 5 Series is larger with notably more rear legroom and boot space, making it the better long-distance and family-carrying executive car.
- 3 Series is cheaper to buy and insure, and smaller engines keep it in lower motor-tax bands than larger 5 Series units.
- 3 Series feels more agile and easier to park in Irish towns; the 5 Series is the more refined, quieter motorway cruiser.
- Both have good independent-specialist support in Ireland, but larger 5 Series tyres, brakes and parts can cost more to replace.
Reliability: 3 Series common faults · 5 Series common faults.
FAQs
Is the BMW 5 Series much more expensive to run than the 3 Series in Ireland?
Generally yes, but modestly. Larger engines and the heavier body mean slightly higher fuel use, and bigger tyres, brakes and consumables cost more. Diesel versions of both can be efficient on motorways. Check each car's exact motor-tax band, as it depends on the specific engine and registration date.
Which BMW holds its value better in Ireland?
Both hold value reasonably well thanks to strong badge demand. The 3 Series has a broader buyer pool, so it tends to sell faster, while desirable 5 Series specs in good condition can hold up well but appeal to a narrower, higher-budget audience.
Is servicing expensive on a used BMW here?
Premium-brand servicing costs more than a mainstream hatchback, but Ireland has plenty of BMW specialists and good parts availability, which helps control costs. Budget for higher-than-average maintenance and check service history carefully on either model.
Browse these on Autoza
- 2023 BMW 3 Series€28,950Diesel · Dublin
- 2014 BMW 3 Series€10,950Diesel · Dublin
- 2024 bmw 3 Series€41,000Petrol Plug-in Hybrid · Limerick
- 2017 BMW 3 Series€16,900Diesel · Tipperary
- 2017 BMW 5 Series€23,750Diesel · Tipperary
- 2018 BMW 5 Series€28,888Diesel · Cork
- 2020 BMW 5 Series€31,888Diesel · Cork
- 2017 BMW 5 Series€15,950Plug-in Hybrid · Kildare
Tap + Compare on two cars to see price, mileage and spec side by side.