Cadillac CT5 vs Lexus IS
The Cadillac CT5 makes more power, while the Lexus IS returns better fuel economy and carries more luggage. Here is how the two compare on the numbers that decide most purchases.
| Measure | Cadillac CT5 | Lexus IS |
|---|---|---|
| Price rangeOriginal sticker prices across all trims. | $36,895–$49,200 | $36,550–$43,100✓ |
| Years covered | 2020–2026 | 2015–2026 |
| Fuel economyBest figure quoted across the range. | 32 mpg | 33 mpg✓ |
| Power | 668 hp✓ | 306 hp |
| Cargo space | 11.9 cu ft | 13.8 cu ft✓ |
| Seats | 5 | 5 |
| Fuel types | Petrol | Petrol |
| Drivetrains | RWD, AWD | AWD, RWD |
| Safety rating | Not rated | — |
| Reliability | — | — |
| Insurance (yr) | — | — |
| Resale value | — | — |
| Recalls | — | — |
Cadillac CT5 vs Lexus IS: common questions
Is the Cadillac CT5 cheaper than the Lexus IS?
No — the Lexus IS has the lower entry price. The Cadillac CT5 spans $36,895–$49,200 and the Lexus IS spans $36,550–$43,100, based on original sticker prices across all trims.
Which is more fuel efficient, the Cadillac CT5 or the Lexus IS?
The Lexus IS is more efficient, quoting 33 mpg against 32 mpg for the other.
Which has more cargo space, the Cadillac CT5 or the Lexus IS?
The Lexus IS holds more, at 13.8 cubic feet versus 11.9.
Which should I buy, the Cadillac CT5 or the Lexus IS?
It depends on what you weight most. The Cadillac CT5 makes more power, while the Lexus IS returns better fuel economy and carries more luggage. 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.