Cadillac CT4 vs Volkswagen Jetta
The Volkswagen Jetta is the more efficient of the two: it reaches 44 mpg combined versus 27 mpg for the Cadillac CT4, a 17 mpg advantage and costs about $1,050 less per year to fuel.
Across 5 measured categories, the Volkswagen Jetta leads in 5. Figures are EPA test data, not manufacturer claims.
2015–2027
Volkswagen Jetta
Compact Cars · 51 configurations
Head-to-head specifications
| Metric | Cadillac CT4 | Volkswagen Jetta |
|---|---|---|
| Best combined MPG | 27 mpg | 44 mpg ✓ |
| Best city MPG | 23 mpg | 42 mpg ✓ |
| Best highway MPG | 34 mpg | 48 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,800 | $1,750 ✓ |
| Lowest CO2 output | 327 g/mi | 200 g/mi ✓ |
| Engines offered | SIDI | SIDI;, SIDI, 2.0 |
| Transmissions | Automatic (S8), Manual 6-spd, Automatic (S10) | Automatic (S8), Manual 6-spd, Automatic (AM-S7) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | Front-Wheel Drive |
| Fuel types | Premium | Regular, Premium, Diesel |
| EPA class | Compact Cars | Compact Cars |
| Years covered | 2020–2026 | 2015–2027 |
| Configurations on record | 52 | 51 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
CT4 vs Jetta: common questions
Which is better on gas, the Cadillac CT4 or the Volkswagen Jetta?
The Volkswagen Jetta is the more efficient of the two: it reaches 44 mpg combined versus 27 mpg for the Cadillac CT4, a 17 mpg advantage and costs about $1,050 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Volkswagen Jetta runs about $1,750 a year in fuel at its most efficient configuration, versus about $2,800 for the Cadillac CT4 — a difference of roughly $1,050 per year.
What engines do the CT4 and Jetta offer?
Cadillac CT4: SIDI. Volkswagen Jetta: SIDI;, SIDI, 2.0.
Are they in the same vehicle class?
Yes — the EPA classifies both the Cadillac CT4 and the Volkswagen Jetta as Compact Cars, so they compete directly.
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