1.8 NA vs 1.9 TDI (ALH/AHF/ASV)
Side-by-side reliability comparison
Higher reliability score
1.9 TDI (ALH/AHF/ASV)
BEST
92/100
+12 points over 1.8 NA
0
/ 100
BUY
1.8 NA
Volkswagen
0
/ 100
BEST
1.9 TDI (ALH/AHF/ASV)
Volkswagen
Specifications
1.8 NA
1.9 TDI (ALH/AHF/ASV)
Brand
Volkswagen
Volkswagen
Verdict
BUY
BEST
Reliability
80
92
Years
1991--2000
1996--2009
Displacement
1781 cc
1896 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
90 hp
90--150 hp
Known Issues
1
0
Total Risk Cost
€200--€400
€0--€0
Character
1.8 NA
"Golf III/IV, Passat B4. Simple 8V NA. Hydraulic lifters. Timing belt (interference). Oil leaks. Nearly unbreakable with basic maintenance. One of VW's most reliable engines."
1.9 TDI (ALH/AHF/ASV)
"Legendary diesel. 500k+ miles documented. Simple, efficient, nearly unkillable. Belt-driven."
Issues Comparison
1.8 NA 1
▲ HIGH
Timing belt (interference)
1.9 TDI (ALH/AHF/ASV) 0
No documented issues.
Models
1.8 NA 1
1.9 TDI (ALH/AHF/ASV) 61
Golf
Ibiza
Ibiza
Felicia
Polo
A4
A4
Octavia
Golf
Leon
Octavia
Leon
Leon
Golf
Toledo
A3
Arosa
Polo
Polo
Fabia
Cordoba
Ibiza
Leon
Ibiza
Fabia
Fabia
Octavia
Leon
A3
Golf
Leon
Ibiza
Polo
Golf
Octavia
Cordoba
Fabia
Alhambra
Passat
A4
Superb
Superb
A6
Transporter
Superb
Octavia
Golf
A3
Leon
Altea
Toledo
Touran
Leon
Passat
Ibiza
Fabia
Roomster
Ibiza
Roomster
Fabia
Fabia