M28.70/M28.80 vs 9A2

Side-by-side reliability comparison

Higher reliability score
9A2 BUY 80/100
+10 points over M28.70/M28.80
0 / 100
ACCEPTABLE M28.70/M28.80 Porsche
0 / 100
BUY 9A2 Porsche

Specifications

M28.70/M28.80
9A2
Brand
Porsche
Porsche
Verdict
ACCEPTABLE
BUY
Reliability
70
80
Years
2017--present
2016--present
Displacement
3996 cc
2981 cc
Layout
V8
F6
Type
Petrol Turbo
Petrol Turbo
Power
550--630 hp
370--450 hp
Known Issues
4
4
Total Risk Cost
€3,800--€10,200
€2,300--€6,100

Character

M28.70/M28.80

"Brute force V8TT. 550-630hp. Reliable but maintenance costs are eye-watering. Turbo oil lines need watching."

9A2

"Modern 911 heart. No IMS drama (thats 996/997). Reliable, powerful, expensive to service. Porsche at its best."

Issues Comparison

M28.70/M28.80 4

▲ HIGH
Turbo oil feed line leak €2,000--€5,000 50,000 km--100,000 km
● MODERATE
Ignition coil / spark plug failure €400--€1,200 40,000 km--80,000 km
● MODERATE
Coolant line / hose deterioration €800--€2,500 60,000 km--120,000 km
○ MINOR
Engine/transmission mount wear €600--€1,500 80,000 km--150,000 km

9A2 4

● MODERATE
Coolant pipe leak (rear) €800--€2,500 60,000 km--130,000 km
○ MINOR
Spark plug replacement (access) €400--€800 40,000 km--60,000 km
○ MINOR
Sport exhaust valve actuator €300--€800 60,000 km--120,000 km
○ MINOR
Rear main seal weep €800--€2,000 80,000 km--160,000 km

Models

M28.70/M28.80 4

Panamera 971 2017--2020 Panamera 971 2020--2024 Cayenne Turbo E3 2018--present SUV Cayenne Turbo GT E3 2021--present SUV

9A2 8

Panamera 971 2017--2024 Panamera 971 2017--2024 911 Carrera 991.2 2016--2019 Coupe 911 Carrera 992 2019--present Coupe 911 Carrera Cabriolet 992 2019--present Convertible 911 Carrera S 991.2 2016--2019 Coupe 911 Carrera S 992 2019--present Coupe 911 Targa 4 992 2020--present Coupe
Full M28.70/M28.80 Report Full 9A2 Report