Car Comparison
Alfa Romeo Giulia vs Cadillac CT4: Performance, Price, Reliability and Daily Driving
Compare price, reliability, performance, daily driving, maintenance cost, comfort and fuel economy on one dedicated page.
Quick Verdict
The Alfa Romeo Giulia is the better pick under the default priority weights, while the Cadillac CT4 can still make more sense if you weight price, running cost, comfort or performance differently.
2024 Alfa Romeo Giulia vs 2025 Cadillac CT4: which is better for your priorities?
The 2024 Alfa Romeo Giulia vs 2025 Cadillac CT4 comparison is built for drivers who want a direct side-by-side view before making a shortlist. If you are asking which is better between 2024 Alfa Romeo Giulia and 2025 Cadillac CT4, this page brings the most important numbers together in one place, including horsepower, 0-100 km/h performance, top speed, engine details, price, and fuel consumption. Some matchups look obvious at first glance, but the better choice often changes once you compare acceleration, high-speed performance, and day-to-day costs in the same view. That makes it easier to separate headline speed from real-world value without jumping between multiple tabs.
On power, 2024 Alfa Romeo Giulia leads the matchup with 540 hp against 472 hp. For 0-100 km/h, 2024 Alfa Romeo Giulia is quicker at 3.9 seconds versus 4.0 seconds. At the top end, 2024 Alfa Romeo Giulia reaches 308 km/h, compared with 304 km/h. 2024 Alfa Romeo Giulia uses Quadrifoglio 2.9 V6 Bi-Turbo, while 2025 Cadillac CT4 comes with V Blackwing 3.6 V6.
Price can shift the answer depending on your budget: 2024 Alfa Romeo Giulia is listed at $220,000, while 2025 Cadillac CT4 comes in at $105,000. If running costs matter, 2024 Alfa Romeo Giulia looks more efficient on paper at 10.5 L/100km versus 11.5 L/100km. The full comparison table adds more context beyond the headline figures, so you can judge where the performance gap is meaningful and where the differences are smaller than expected. Use the detailed table below to decide whether 2024 Alfa Romeo Giulia or 2025 Cadillac CT4 is the better fit for your priorities, whether that means speed, character, efficiency, or overall value.
Power: 540 hp vs 472 hp
0-100 km/h: 3.9 s vs 4.0 s
Top speed: 308 km/h vs 304 km/h
VS
Performance Comparison
For performance, compare power, 0-100 km/h acceleration and top speed together. Alfa Romeo Giulia records 540 hp, 3.9 seconds to 100 km/h and 308 km/h, while Cadillac CT4 records 472 hp, 4.0 seconds and 304 km/h.
Price and Value
Price changes the answer because a quicker car is not always the better buy. Alfa Romeo Giulia is listed at $220,000, while Cadillac CT4 is listed at $105,000. Use the price gap together with performance and equipment to judge real value.
Interior and Comfort
Interior and comfort matter most if this will be a daily car. Alfa Romeo Giulia and Cadillac CT4 should be judged by seating position, cabin space, ride quality, visibility, infotainment and long-distance refinement, not only by acceleration numbers.
Reliability
Reliability is best judged by ownership history, service records and common repair patterns for each model. Before choosing between Alfa Romeo Giulia and Cadillac CT4, check known issues, warranty coverage and how easily each car can be serviced where you live.
Maintenance Cost
Maintenance cost can outweigh a small purchase-price difference. For Alfa Romeo Giulia vs Cadillac CT4, compare scheduled servicing, tires, brakes, insurance, parts availability and depreciation before deciding which one is cheaper to own.
Fuel Economy
Fuel economy is part of the long-term cost picture. Alfa Romeo Giulia is rated at 10.5 L/100km, while Cadillac CT4 is rated at 11.5 L/100km. For high-mileage drivers, even a small efficiency difference can matter.
Daily Driving
For daily driving, the better choice is the one that feels easier to live with. Compare Alfa Romeo Giulia and Cadillac CT4 by ride comfort, parking ease, cargo space, fuel use, road noise and how relaxed each car feels in traffic.
Priority verdict
Category winners for this matchup
Best Performance
2024 Alfa Romeo Giulia
Highest weighted performance score from power, acceleration, and top speed (100/100).
Best Value
2024 Alfa Romeo Giulia
Best mix of price, performance, and efficiency (55/100).
Best Daily Driver
2025 Cadillac CT4
Best everyday balance of price, efficiency, practicality, and model year (54/100).
Lowest Running Cost
2024 Alfa Romeo Giulia
Lowest cost score from recorded consumption and listed price (70/100).
Best for Long Trips
2024 Alfa Romeo Giulia
Best long-trip score from efficiency, cabin-size proxy, power, and top speed (85/100).
Priority Pick
2024 Alfa Romeo Giulia
Using default weights: performance 40%, price 30%, fuel cost 20%, practicality 10%.
2024 Alfa Romeo Giulia
Pros
- More power
- Quicker 0-100 km/h
- Higher top speed
Cons
- Higher price
- Older model year
2025 Cadillac CT4
Pros
- Lower price
- Newer model year
Cons
- Less power
- Slower off the line
- Lower top speed
Buyer guide
Which One Should You Buy?
You prioritize stronger horsepower, quicker 0-100 km/h acceleration, and a higher top speed.
You prioritize a lower listed price, a newer model year, and its V Blackwing 3.6 V6 powertrain.
Power
540 hp vs 472 hp
0-100 km/h
3.9 s vs 4.0 s
Top Speed
308 km/h vs 304 km/h
YouTube
2024 Alfa Romeo Giulia vs 2025 Cadillac CT4
Open YouTube search results for head-to-head runs of this matchup.
Technical data
2024 Alfa Romeo Giulia vs 2025 Cadillac CT4 specification table
Use this table to compare the recorded figures side by side. Highlighted values mark the stronger measurable result where a direct comparison is possible.
| Metric | 2024 Alfa Romeo Giulia | 2025 Cadillac CT4 | Source / standard |
|---|---|---|---|
| Power | 540 hp | 472 hp | Manufacturer or public specification source; confirm exact local trim. |
| 0-100 km/h | 3.9 s | 4.0 s | Manufacturer or public specification source; confirm exact local trim. |
| Top Speed | 308 km/h | 304 km/h | Manufacturer or public specification source; confirm exact local trim. |
| Engine | Quadrifoglio 2.9 V6 Bi-Turbo | V Blackwing 3.6 V6 | Manufacturer or public specification source; confirm exact local trim. |
| Length | 465 cm est. | 465 cm est. | Recorded dimensions when available; estimated values are marked est. |
| Width | 184 cm est. | 184 cm est. | Recorded dimensions when available; estimated values are marked est. |
| Weight | 1670 kg est. | 1670 kg est. | Recorded dimensions when available; estimated values are marked est. |
| Price | $220,000 | $105,000 | Listed market value; market context appears in the transparency panel. |
| Consumption | 10.5 L/100km | 11.5 L/100km | Manufacturer, EPA, WLTP, or public economy figure when available. |
Data may vary by trim, market, tires, battery, transmission, model year and testing method. Confirm exact specifications with the manufacturer or seller before making a purchase decision.
Data transparency
CarQuantix is an independently developed vehicle research platform. Data is collected from manufacturer and public automotive sources and manually reviewed before publication when source data is available.
Reviewed by
CarQuantix data review (independently developed platform)
Last updated
2026-07-08
Market used
US
Test standard
Manufacturer/public specification baseline
Source policy
Manufacturer and public automotive sources; manually reviewed before publication when source data is available.
Report incorrect data
Include the model year, trim, market, the field that looks wrong, and the source you are using.
Update history
- 2026-07-08: Comparison transparency metadata refreshed.
- 2026-07-08: Added source notes, market context, test-standard notes, and correction workflow.
Sources and data notes
Specifications and figures are compiled from manufacturer information, public vehicle databases, safety organizations, fuel economy references and editorial review. Exact values can vary by trim, market, tire, battery, transmission and model year.
FAQ
Which is better, Alfa Romeo Giulia or Cadillac CT4?
The Alfa Romeo Giulia is the better pick under the default priority weights, while the Cadillac CT4 can still make more sense if you weight price, running cost, comfort or performance differently.
Which is faster, Alfa Romeo Giulia or Cadillac CT4?
Compare horsepower, 0-100 km/h and top speed together. Alfa Romeo Giulia has 540 hp and a 308 km/h top speed, while Cadillac CT4 has 472 hp and a 304 km/h top speed.
Which is better for daily driving?
For daily driving, compare comfort, running cost, visibility, cabin space and reliability. The better daily choice between Alfa Romeo Giulia and Cadillac CT4 depends on those ownership priorities more than headline speed alone.
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