S Q4 denotes the 424-hp twin-turbo V6 with Maserati's rear-biased all-wheel drive - the full-size sedan configured for four seasons without surrendering its balance.
Specifications
| Year | 2021 |
| Make | Maserati |
| Model | Quattroporte SQ4 |
| Engine | 3.0L 6-cylinder |
| Horsepower | 424 hp |
| Torque | 428 lb-ft |
| Transmission | Automatic 8-spd |
| Drivetrain | AWD |
| Fuel | Premium Gasoline |
| EPA MPG (City/Hwy) | 16 / 24 |
The 2021 model year
Final year of S Q4 badging; the specification continued under the Modena Q4 name.
Maserati Quattroporte SQ4 by year
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