The 2.9-liter twin-turbo V6 Alfa Romeo 690T has been built in Italy since 2015 for the Quadrifoglio versions of the Giulia and Stelvio. It produces 510-540 hp and 600 Nm and became the basis for Maserati’s 3.0-liter Nettuno engine.
Specifications
| Production years | since 2015 |
| Displacement, cc | 2891 |
| Fuel system | direct injection |
| Power output, hp | 510 – 540 |
| Torque output, Nm | 600 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 86.5 |
| Piston stroke, mm | 82 |
| Compression ratio | 9.3 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on all shafts |
| Turbocharging | twin turbo IHI |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.0 |
| Fuel type | petrol |
| Fuel consumption, L/100 km (for Alfa Romeo Giulia 2018) — city — highway — combined |
12.4 5.7 8.2 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 218 |
The engine was installed on:
- Alfa Romeo Giulia II (Type 952) since 2015;
- Alfa Romeo Stelvio I (Type 949) since 2016.
Disadvantages of the Alfa Romeo 690T engine
- In the first years build quality suffered and the engine earned a bad reputation, especially for various electrical faults;
- There was a recall to replace a leaking turbocharger hose;
- Later engines cause trouble much less often; the main complaints now concern the electronic throttle and the fuel pump.
Frequently asked questions about the Alfa Romeo 690T
How much power does the Alfa Romeo 690T make?
The Alfa Romeo 690T develops 510 - 540 hp and 600 Nm of torque.
How much oil does the Alfa Romeo 690T take and which one?
Engine oil capacity: 7.0 liters. Recommended oil: 5W-30.
Does the Alfa Romeo 690T have a timing belt or chain?
The Alfa Romeo 690T uses a timing chain.
Is the Alfa Romeo 690T turbocharged?
Yes, the Alfa Romeo 690T is turbocharged (twin turbo IHI).
Does the Alfa Romeo 690T need valve clearance adjustment?
No, the Alfa Romeo 690T has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Alfa Romeo 690T last?
The typical lifespan of the Alfa Romeo 690T is ~250 000 km with proper maintenance.
What is the fuel consumption of the Alfa Romeo 690T?
Alfa Romeo Giulia 2018: city 12.4, highway 5.7, combined 8.2 L/100 km.
What cars was the Alfa Romeo 690T installed on?
Alfa Romeo Giulia II (Type 952) since 2015; Alfa Romeo Stelvio I (Type 949) since 2016.
What are the common problems of the Alfa Romeo 690T?
In the first years build quality suffered and the engine earned a bad reputation, especially for various electrical faults. There was a recall to replace a leaking turbocharger hose. All known problems.
