| 1 | 0 | 3 | 4 | 3 | 4 |
2021 Audi A4 / S4 Specs - Exterior and Interior Dimensions
| Body | 4dr Sedan |
| Wheelbase | 111.0 in |
| Length | 187.5 in |
| Width | 72.7 in |
| Height | 56.2 in |
| Curb Weight | 3682 lb. |
| Fuel Capacity | 15.3 gal. |
| Headroom, Row 1 | 37.3 in |
| Shoulder Room, Row 1 | 55.9 in |
| Legroom, Row 1 | 41.3 in |
| Headroom, Row 2 | 37.4 in |
| Shoulder Room, Row 2 | 54.5 in |
| Legroom, Row 2 | 35.7 in |
| Total Legroom | 77 in (over 2 rows) |
| Cargo Volume | 12.0 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2021 Audi A4 / S4
None of our members have yet commented on the seat room and comfort of the 2021 Audi A4 / S4.
2021 Audi A4 4-door Sedan Specs - Powertrains and Tire Sizes
| Trim | A4 40 | A4 45 | S4 |
| Standard Engine | turbocharged 2.0L I4 Hybrid DOHC-4v 201 hp@4200 236 lb-ft@1450 | turbocharged 2.0L I4 Hybrid DOHC-4v 261 hp@5000 273 lb-ft@1600 | turbocharged 3.0L V6 DOHC-4v 349 hp@5400 369 lb-ft@1370 |
| Standard Transmission | 7-speed automated manual | 7-speed automated manual | 8-speed manually-shiftable automatic |
| Standard Drivetrain | AWD | AWD | AWD |
| Standard Tires | 225/50HR17 tires | 245/40HR18 tires | 245/40YR18 tires |
| Optional Tires | 245/40YR18 tires | 245/40YR18 tires | 245/40HR18 tires |
| 245/40HR18 tires | 245/35YR19 tires | 245/35YR19 tires |
What Our Members Are Saying about the Powertrain of the 2021 Audi A4 / S4
None of our members have yet commented on the powertrain of the 2021 Audi A4 / S4.
What Our Members Are Saying about the Tires of the 2021 Audi A4 / S4
None of our members have yet commented on the tires of the 2021 Audi A4 / S4.
2021 Audi A4 / S4 MSRP and Invoice Prices
| Body | Trim | Base Price | Invoice | Destination |
| 4dr Sedan | A4 40 | 39,100 | 0 | 1,045 |
| 4dr Sedan | A4 45 | 40,900 | 0 | 1,045 |
| 4dr Sedan | S4 | 49,900 | 0 | 1,045 |
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