The 1.8-liter Audi APG 20v gasoline engine was assembled by the company from 2000 to 2005 and installed on the restyled version of the first generation A3 and some Seat models. This power unit, in fact, was a slightly updated version of the AGN engine in terms of ecology.
EA113-1.8 family: AGN, APG.
Specifications
| Production years | 2000-2005 |
| Displacement, cc | 1781 |
| Fuel system | injector |
| Power output, hp | 125 |
| Torque output, Nm | 170 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 20v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 86.4 |
| Compression ratio | 10.3 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain & belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Audi A3 2002) — city — highway — combined |
10.6 6.2 7.8 |
| Engine lifespan, km | ~350 000 |
The engine was installed on:
- Audi A3 1 (8L) in 2000 – 2003;
- Seat Leon 1 (1M) in 2000 – 2005;
- Seat Toledo 2 (1M) in 2000 – 2004.
Disadvantages of the Audi APG engine
- A simple and reliable power unit rarely worries its owners.
- The culprit of the floating engine speed is the contamination of the injectors or throttle.
- Also, the vacuum regulator of the intake manifold flaps intermittently sticks.
- In terms of electrics, lambda probes, a coolant temperature sensor, and a mass air flow sensor most often fail here.
- A capricious crankcase ventilation system can throw a lot of problems.
Frequently asked questions about the Audi APG
How much power does the Audi APG make?
The Audi APG develops 125 hp and 170 Nm of torque.
How much oil does the Audi APG take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Audi APG have a timing belt or chain?
Timing drive of the Audi APG: chain & belt.
Is the Audi APG turbocharged?
No, the Audi APG is naturally aspirated.
Does the Audi APG need valve clearance adjustment?
No, the Audi APG has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi APG last?
The typical lifespan of the Audi APG is ~350 000 km with proper maintenance.
What is the fuel consumption of the Audi APG?
Audi A3 2002: city 10.6, highway 6.2, combined 7.8 L/100 km.
What cars was the Audi APG installed on?
Audi A3 1 (8L) in 2000 - 2003; Seat Leon 1 (1M) in 2000 - 2005; Seat Toledo 2 (1M) in 2000 - 2004.
What are the common problems of the Audi APG?
A simple and reliable power unit rarely worries its owners. The culprit of the floating engine speed is the contamination of the injectors or throttle. All known problems.
What engines are related to the Audi APG?
EA113-1.8 family: AGN.
