🇩🇪 Deutsch
Alfa Romeo · Convertible / Roadster · 2006–2010

Alfa Romeo Spider 939

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 5 engine variants
Most Fun Engine

260 PS

3.2L V6 JTS Benzin

Spider 939 — the Last Open Busso Alfa

Legendary!

Generations

Engine Overview

The Alfa Romeo Spider 939 is available with 5 engine variants — from 163 to 260 hp.

2.0 JTDM · Diesel· 170 PS
2006 2010
Be Careful 6 weaknesses
Show all weaknesses →
2.4 JTDM · Diesel· 200 PS
2006 2010
Be Careful 6 weaknesses
Show all weaknesses →
1.75 TBi · Benziner· 200 PS
2009 2010
Be Careful 6 weaknesses
Show all weaknesses →
2.2 JTS · Benziner· 185 PS
2006 2010
Be Careful 6 weaknesses
Show all weaknesses →
3.2 V6 · Benziner· 260 PS
2006 2010
Be Careful 5 weaknesses
Show all weaknesses →

The Alfa Romeo 2.0 JTDM (Diesel, 170 PS) has the 939B3.000 (2.0L JTDM) — rated: "Be Careful", 6 known weaknesses.

The Alfa Romeo 2.4 JTDM (Diesel, 200 PS) has the 939A9.000 (2.4L JTDM) — rated: "Be Careful", 6 known weaknesses.

The Alfa Romeo 1.75 TBi (Benziner, 200 PS) has the 939B1.000 (1.75L TBi) — rated: "Be Careful", 6 known weaknesses.

The Alfa Romeo 2.2 JTS (Benziner, 185 PS) has the 939A5.000 (2.2L JTS) — rated: "Be Careful", 6 known weaknesses.

The Alfa Romeo 3.2 V6 (Benziner, 260 PS) has the 939A.000 (3.2L V6 JTS) — rated: "Be Careful", 5 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Hood hydraulics and flap motor plastic gears fail

The electric folding hood of the Spider 939 has known weak points: plastic gears in the flap motors break, hydraulic fluid becomes contaminated with water. Control units no longer available. Repair: €1,500–3,000, aftermarket aluminium gears approx. €85.

Symptoms: Hood does not close fully (5–10 mm gap), beeping and error message, hood stops halfway
from 60,000 km
Ad convertible top Motor Alfa Spider 939Hydraulikflüssigkeit convertible top Alfa SpiderZahnrad Klappenmotor Alfa Spider 939
 High

Alternatives

Same Segment

BMW Z4 M E85

Cabrio/Roadster (2006–2008)

Same Segment

Volvo C70 II

Cabrio/Roadster (2006–2013)

Same Segment

Mazda MX-5 NC

Cabrio/Roadster (2005–2015)

Same Segment

Mercedes-Benz SLK R171

Cabrio/Roadster (2004–2011)

Same Segment

MINI MINI R52

Cabrio/Roadster (2004–2008)

Same Segment

Porsche Boxster 987

Cabrio/Roadster (2004–2012)

Known Problems and Issues

A total of 33 weaknesses have been documented for the Alfa Romeo Spider 939 (2006–2010) — 29 engine-related and 4 vehicle-related. Typical issues affect Body, HVAC, Steering, Brakes.

Spider (939A9.000, 2006–2010) — Be Careful: Dual-mass flywheel wears out, Intake manifold coked by EGR, DPF blockage with short-trip driving. Power: 200 PS.

Spider (939B3.000, 2006–2010) — Be Careful: Intake manifold coked by EGR, VTG turbocharger coked, Oil pump O-ring hardened — brief pressure drop. Power: 163–170 PS.

Spider (939A5.000, 2006–2010) — Be Careful: Carbon deposits on intake valves, Ignition coils failed, Dual-mass flywheel prematurely worn. Power: 185 PS.

Spider (939A.000, 2006–2010) — Be Careful: Timing chain rattles when cold, Carbon deposits on intake valves, Swirl flaps — linkage bush worn. Power: 260 PS.

Spider (939B1.000, 2009–2010) — Be Careful: Turbocharger vulnerable under high-performance use, Timing belt drives the high-pressure pump, Injectors fouled (direct injection). Power: 200 PS.

What to watch out for with the Alfa Romeo Spider? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Alfa Romeo Spider 939 have? +
The Alfa Romeo Spider 939 has 29 known engine weaknesses and 4 vehicle weaknesses.
What should I look for when buying a used Alfa Romeo Spider 939? +
faq.watch_a_none
Which engine is recommended? +
Be careful: 939A5.000 (2.2L JTS), 939A.000 (3.2L V6 JTS), 939B1.000 (1.75L TBi), 939A9.000 (2.4L JTDM), 939B3.000 (2.0L JTDM). No engine is rated 'Good Choice'. The most fun to drive is the 939A.000 (3.2L V6 JTS).
Which Alfa Romeo Spider 939 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Alfa Romeo Spider 939 — rated: "Legendary!". {description} The 939 Spider is the last open Alfa Romeo with a Busso V6 — after that, the legendary six-cylinder in a convertible was finished. Roof down, the JTS direct injection fires up, from 4,500 rpm the 60-degree V6 howls in the open air — a farewell concert from an engine family that began in 1979. The Aisin automatic is the only fly in the ointment: adequate, but not as direct as a manual. Already appreciating in value as the last of its kind.
Is the Alfa Romeo Spider 939 worth buying used? +
The Alfa Romeo Spider 939 requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Alfa Romeo Spider 939? +
The Alfa Romeo Spider 939 is available with engine variants from 163 to 260 hp. Petrol: 939A5.000 (2.2L JTS), 939A.000 (3.2L V6 JTS), 939B1.000 (1.75L TBi). Diesel: 939A9.000 (2.4L JTDM), 939B3.000 (2.0L JTDM).

Last updated: February 2026 · All information without guarantee