Audi S3 vs Cadillac CT5
The Audi S3 carries more luggage, while the Cadillac CT5 starts about $4,205 lower, returns better fuel economy and makes more power. Here is how the two compare on the numbers that decide most purchases.
| Measure | Audi S3 | Cadillac CT5 |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $41,100–$53,295 | $36,895–$49,200✓ |
| Years covered | 2015–2026 | 2020–2026 |
| Fuel economyBest figure quoted across the range. | 26 mpg | 32 mpg✓ |
| Power | 328 hp | 668 hp✓ |
| Cargo space | 12.3 cu ft✓ | 11.9 cu ft |
| Seats | 5 | 5 |
| Fuel types | Petrol | Petrol |
| Drivetrains | AWD | RWD, AWD |
| Safety rating | — | Not rated |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | — |
Audi S3 vs Cadillac CT5: common questions
Is the Audi S3 cheaper than the Cadillac CT5?
No — the Cadillac CT5 has the lower entry price. The Audi S3 spans $41,100–$53,295 and the Cadillac CT5 spans $36,895–$49,200, based on original sticker prices across all trims.
Which is more fuel efficient, the Audi S3 or the Cadillac CT5?
The Cadillac CT5 is more efficient, quoting 32 mpg against 26 mpg for the other.
Which has more cargo space, the Audi S3 or the Cadillac CT5?
The Audi S3 holds more, at 12.3 cubic feet versus 11.9.
Which should I buy, the Audi S3 or the Cadillac CT5?
It depends on what you weight most. The Audi S3 carries more luggage, while the Cadillac CT5 starts about $4,205 lower, returns better fuel economy and makes more power. Here is how the two compare on the numbers that decide most purchases. Cars4Real shows both cars' full trim tables, owner reviews, safety records and depreciation so you can judge against your own priorities rather than a generic verdict.