2005 BMW Z4: trims, real prices & how to pick yours

3 builds left the factory as a 2005 Z4, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 2 main configurations sell for $1,800–$21,997 today.

  • 2 main configurations
  • 1,679 vehicles built
  • 56 for sale right now
  • $1,800–$21,997 typical price range

Which Z4 is yours?

Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.

Works with any VIN — a different year or model takes you straight to its own page.

Pick your Z4

What actually differs

2.5SI 3.0SI · RWD
Engine 2.5L 6-cyl 3L 6-cyl
Power 184 hp 225 hp
Typical price today $9,995 $13,989
For sale right now 33 23
Vehicles built 1,043 635
Same on every 2005 Z4
  • Drivetrain Rear-wheel drive
  • Fuel Gasoline
  • Body Convertible

What people actually pay

54 price observations · updated Sep 6, 2026
2.5SI
$9,995
3.0SI · RWD
$13,989
$1,746 $6,974 $12,202 $17,429 $22,657
Price trend

Median down $2,565 over the last 12 months.

2005 Z4 price history →
Cost to run

18/26 mpg city/highway. Roughly $2,210/yr on fuel at 15,000 miles.

EPA estimate for the 2005 Z4

Safety, in plain English

What 4USBT335-5 means

4US BT335 · 5
4US
the World Manufacturer Identifier BMW registered — assembled in the United States
BT335
together encode the Z4 line — Convertible, 2.5L 6cyl — as BMW filed it, these five characters are read as one block, not letter by letter
5
in position 10 — model year 2005
9, 11–17
differ on every car: check digit, plant code and the serial number
Real VINs from this run 4USBT335 45LS57106
1 rare configuration — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific Z4?

Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.

2005 BMW Z4 prices →