BMW 5 SERIES (2003-07) 523I 4DR SALOON 2.5 SE
Buyer's Guide & Data from our Checks
The BMW 5 SERIES (2003-07) 523I 4DR SALOON 2.5 SE is a large, premium four-door saloon, aimed at drivers wanting more space and comfort than a family hatchback. In the UK used-car market, it sits among executive cars, traditionally competing with the Mercedes-Benz E-Class and Audi A6.
Mycarcheck.com recorded 122 look-ups covering 57 distinct VINs, offering a useful snapshot of interest in this model. Checks show average private-sale valuation about £1,400, average mileage 122,000 miles, annual mileage 6,000 and around 4.7 previous keepers. These historical averages aren't guarantees for one vehicle; condition and service history matter.
Roomy and comfortable, the 523i suits commuting and families who value long journeys over small-car economy, with generous cabin space and composed motorway manners. Its petrol engine feels refined, while SE trim puts comfort first. Against Mercedes E-Class and Audi A6, BMW is known for a balanced ride and engaging drive. Check running costs, age-related wear and service history before buying.
Buying a BMW 5 Series? Outstanding finance, theft, write-offs, hidden damage or mileage discrepancies could turn a bargain into a costly mistake. Enter the reg now and check before you commit.
Key Findings
The following statistics are drawn from our checks of 57 different vehicles, run between February 21st 2021 and September 30th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
122
Lookups
Lookups
5
Hidden Histories
Hidden Histories
131k
Average Mileage
Average Mileage
£1,400
Average Valuation
Average Valuation
