| Body | 2dr Coupe | 2dr Convertible | 4dr Hatch |
| Wheelbase | 108.8 in | 108.8 in | 111.1 in |
| Length | 184.9 in | 184.9 in | 187.3 in |
| Width | 72.7 in | 72.7 in | 72.5 in |
| Height | 53.9 in | 54.5 in | 54.5 in |
| Curb Weight | 3715 lb. | 4045 lb. | 3759 lb. |
| Fuel Capacity | 15.3 gal. | 15.3 gal. | 15.3 gal. |
| Headroom, Row 1 | 37.4 in | 38.3 in | 37.7 in |
| Shoulder Room, Row 1 | 55.3 in | 55.3 in | 55.7 in |
| Legroom, Row 1 | 41.3 in | 41.3 in | 41.3 in |
| Headroom, Row 2 | 36.1 in | 36.3 in | 37.0 in |
| Shoulder Room, Row 2 | 50.7 in | 46.9 in | 54.5 in |
| Legroom, Row 2 | 32.7 in | 33.1 in | 35.1 in |
| Total Legroom | 74 in (over 2 rows) | 74.4 in (over 2 rows) | 76.4 in (over 2 rows) |
| Cargo Volume, Minimum | 10.9 ft3 | 7.2 ft3 | 21.8 ft3 |
| Cargo Volume, Maximum | 10.9 ft3 | 9.3 ft3 | 35.0 ft3 |
None of our members have yet commented on the seat room and comfort of the 2021 Audi A5 / S5 / RS5.
| Trim | A5 45 | S5 | RS 5 |
| Standard Engine | 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 | turbocharged 2.9L V6 DOHC-4v 444 hp@6700 442 lb-ft@4700 |
| Standard Transmission | 7-speed automated manual | 8-speed manually-shiftable automatic | 8-speed manually-shiftable automatic |
| Standard Drivetrain | AWD | AWD | AWD |
| Standard Tires | 245/40HR18 tires | 245/40YR18 tires | 265/35YR19 tires |
| Optional Tires | 245/40YR18 tires | 245/40HR18 tires | 275/30YR20 tires |
|   | 255/35YR19 tires | 255/35YR19 tires |   |
|   |   | 265/30YR20 tires |   |
| Trim | A5 45 | S5 |
| Standard Engine | 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 | 8-speed manually-shiftable automatic |
| Standard Drivetrain | AWD | AWD |
| Standard Tires | 245/40HR18 tires | 245/40YR18 tires |
| Optional Tires | 245/40YR18 tires | 245/40HR18 tires |
|   | 255/35YR19 tires | 255/35YR19 tires |
|   |   | 265/30YR20 tires |
| Trim | A5 Sportback 40 | A5 Sportback 45 | S5 Sportback | RS 5 Sportback |
| 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 | turbocharged 2.9L V6 DOHC-4v 444 hp@6700 442 lb-ft@4700 |
| Standard Transmission | 7-speed automated manual | 7-speed automated manual | 8-speed manually-shiftable automatic | 8-speed manually-shiftable automatic |
| Standard Drivetrain | AWD | AWD | AWD | AWD |
| Standard Tires | 245/40HR18 tires | 245/40HR18 tires | 245/40YR18 tires | 265/35YR19 tires |
| Optional Tires | 245/40YR18 tires | 245/40YR18 tires | 245/40HR18 tires | 275/30YR20 tires |
|   | 255/35YR19 tires | 255/35YR19 tires | 255/35YR19 tires |   |
|   |   |   | 265/30YR20 tires |   |
None of our members have yet commented on the powertrain of the 2021 Audi A5 / S5 / RS5.
None of our members have yet commented on the tires of the 2021 Audi A5 / S5 / RS5.