The Alfa Romeo 166 (1998-2003) was offered with 7 distinct engine configurations across its trim range.
| Engine | Power | Torque | Transmission | Drive | Top speed | 0-100 km/h | Consumption | Available on |
|---|---|---|---|---|---|---|---|---|
| 3.0L Petrol | 226 hp | 275 Nm | Automatic | Front Wheel Drive | 237 km/h | 8.5 s | 13.0 l/100km | 3 trims |
| 3.0L Petrol | 226 hp | 275 Nm | Manual | Front Wheel Drive | 243 km/h | 7.8 s | 12.5 l/100km | 3 trims |
| 2.5L Petrol | 190 hp | 222 Nm | Manual | Front Wheel Drive | 225 km/h | 8.4 s | 11.4 l/100km | 3 trims |
| 2.5L Petrol | 190 hp | 222 Nm | Automatic | Front Wheel Drive | 220 km/h | 9.5 s | 12.2 l/100km | 1 trim |
| 2.0L Petrol | 155 hp | 187 Nm | Manual | Front Wheel Drive | 213 km/h | 9.6 s | 9.7 l/100km | 4 trims |
| 2.4L Diesel | 150 hp | 304 Nm | Manual | Front Wheel Drive | 210 km/h | 9.9 s | 7.5 l/100km | 2 trims |
| 2.4L Diesel | 136 hp | 304 Nm | Manual | Front Wheel Drive | 202 km/h | 9.9 s | 7.3 l/100km | 2 trims |
Each row is a distinct mechanical configuration — engine size, power output, transmission, drivetrain and fuel type — deduplicated across equipment trims that share the same engine. Trim-only differences (interior, wheels, options) do not create a separate row.