Porsche MA1 / 9A1 vs 2.0 FSI: which engine is more reliable?

According to our risk index, the Porsche MA1 / 9A1 carries less risk than the 2.0 FSI: 25/100 versus 34/100 (both moderate risk). The Porsche MA1 / 9A1 has 1 documented serious fault, the main one being «Bore scoring in the MA1 of the 997.2 and 987.2: uncommon, but documented»; the 2.0 FSI has no documented serious faults.

Risk index

Porsche MA1 / 9A1

Moderate risk · 1 serious fault

Lower risk

Risk index

2.0 FSI

Moderate risk · 0 serious faults

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

Reviewed on 2 November 202619 sources How we work

Is the Porsche MA1 / 9A1 reliable?

Yes, it is noticeably more reliable than the M96/M97: it eliminated the intermediate shaft with its IMS bearing and, according to FCP Euro, the connecting rod bolt failures. What is documented is minor: carbon build-up on the intake valves caused by direct injection, coolant pump leaks on the 991.1 and, rarely, bore scoring on the 997.2.^[1][2][3][4]

See the 3 of the Porsche MA1 / 9A1 faults

Is the 2.0 FSI reliable?

The 2.0 FSI is the naturally aspirated version with which the Volkswagen Group introduced petrol direct injection in a two-litre engine, before moving on to the turbocharged 2.0 TSI. Two faults recur across several models: carbon build-up on the intake valves, inherent to direct injection, and ignition coil failure, documented from 5,000 km in one case. Gebrauchtwagenberater.de nevertheless counts it among the most reliable petrol engines in the Audi A4 B7.^[5][6][7][8]

See the 3 of the 2.0 FSI faults

Side-by-side comparison

Comparison of Porsche MA1 / 9A1 and 2.0 FSI
Item	Porsche MA1 / 9A1	2.0 FSI
Technical data
Type	Engine	Engine
Fuel	Petrol	Petrol
Displacement	—	1,984 cm³
Timing	Chain	Timing belt (dry)
Power	255–400 hp	150 hp
Production	2009–2016^{[1][4][9][10][11][12][13]}	2003–2009^[14][15][16]
Reliability
Risk index (what is it?)	25Moderate risk	34Moderate risk
Documented faults	3	3
Of high or critical severity	1	0
Worst severity	Critical severity	Medium severity
Main faults	Critical severity: Bore scoring in the MA1 of the 997.2 and 987.2: uncommon, but documented Medium severity: Carbon build-up on the intake valves caused by direct injection Medium severity: Leaks from the electronically controlled coolant pumps of the 991.1 and the plastic water pump	Medium severity: Carbon build-up on the intake valves Medium severity: Ignition coil failure Low severity: Blocked EGR valve
Most expensive documented repair	No reliable data	No reliable data
Which versions to buy
BuyRecommended versions	3.6 Carrera 345 hp (MA1.02, 2009-2012)^[1][3][4] 3.8 Carrera S 385 hp (MA1.01, 2009-2012)^[3][4] 2.9 Boxster/Cayman 255-265 hp (MA1.20, 2009-2012, no direct injection)^[2][9]	None
With cautionVersions to be cautious about	3.4 Boxster S / Cayman S 310-320 hp (MA1.21/.22, 2009-2012, direct injection)^[2][17] 3.4 Carrera 350 hp (MA1.04, 2011-2015)^[3] 3.8 Carrera S 400 hp (MA1.03, 2011-2015)^[3] 2.7 Boxster/Cayman 265-275 hp (MA1.22, 2012-2016)^[17][18] 3.4 Boxster S / Cayman S / GTS 315-340 hp (MA1.23, 2012-2016)^[17][18]	2.0 FSI (EA113, 150 hp, 2003-2009)^{[5][6][7][8][19]}
AvoidVersions to avoid	None	None

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

Porsche MA1 / 9A1

2.0 FSI

See the 11 models with the 2.0 FSI

Other comparisons

With the Porsche MA1 / 9A1

With the 2.0 FSI

Compare other engines

First engine

Second engine

That is the comparison you are viewing: change one of the two engines.

Sources

Every fact on this page links to its source. If you find an error, let us know.

The Definitive Guide To Porsche 997 Engines (M96.05, M97, MA1)FCP Euro · Other source · published 16 January 2024 · consulted 2 November 2026
Porsche 987: The Cayman and Boxster Generation GuideRenn Driver · Buying guide or workshop · published 1 November 2026 · consulted 2 November 2026
Porsche 911: 5 Generationen im Gebrauchtwagen-CheckAUTO BILD · Motoring press · published 22 September 2026 · consulted 2 November 2026 · in German
Porsche 997Wikipedia · Encyclopedia · consulted 2 November 2026
Audi A3 8P: Typische Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
VW Passat B6 – Bekannte Probleme & SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
Audi A4 B7 (8E) – Typische Probleme & SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
Fiabilité Volkswagen Golf V - pannes moteur, boîte, électronique...Fiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
Porsche Boxster and Cayman (987)Wikipedia · Encyclopedia · consulted 2 November 2026
Porsche 991Wikipedia · Encyclopedia · consulted 2 November 2026
Porsche Boxster and Cayman (981)Wikipedia · Encyclopedia · consulted 2 November 2026
Differences between M96 and M97 enginesFlat Six Innovations · Buying guide or workshop · published 25 November 2025 · consulted 2 November 2026
List of Porsche enginesWikipedia · Encyclopedia · consulted 2 November 2026
Volkswagen Golf Mk5Wikipedia (inglés) · Encyclopedia · consulted 27 September 2026
Volkswagen TouranWikipedia (inglés) · Encyclopedia · consulted 27 September 2026
VW Passat B6Wikipedia (alemán) · Encyclopedia · consulted 27 September 2026 · in German
Porsche Cayman and Boxster Common Problems: A Specialist Field GuideForeign Automotive · Buying guide or workshop · consulted 2 November 2026
Porsche 981: The Cayman and Boxster Generation GuideRenn Driver · Buying guide or workshop · consulted 2 November 2026
Fiabilité Volkswagen Passat - pannes moteur, boîte, électronique...Fiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French