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Car Comparison

Audi RS7 vs Cadillac CT5: Performance, Price, Efficiency and Cost

Compare recorded performance, listed price, efficiency and calculated energy-cost scenarios on one dedicated page.

Quick Verdict

The Audi RS7 vs Cadillac CT5 decision should be read by category, not as one universal winner. The better choice depends on how you weight performance, price, running cost and practicality.

2024 Audi RS7 vs 2025 Cadillac CT5: which is better for your priorities?

The 2024 Audi RS7 vs 2025 Cadillac CT5 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 Audi RS7 and 2025 Cadillac CT5, 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, 2025 Cadillac CT5 leads the matchup with 677 hp against 630 hp. For 0-100 km/h, 2024 Audi RS7 is quicker at 3.4 seconds versus 3.7 seconds. At the top end, 2025 Cadillac CT5 reaches 322 km/h, compared with 280 km/h. 2024 Audi RS7 uses performance 4.0 TFSI V8, while 2025 Cadillac CT5 comes with V Blackwing 6.2 V8.

Price can shift the answer depending on your budget: 2024 Audi RS7 is listed at $155,400, while 2025 Cadillac CT5 comes in at $169,000. If running costs matter, 2024 Audi RS7 looks more efficient on paper at 12.6 L/100km versus 14.0 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 Audi RS7 or 2025 Cadillac CT5 is the better fit for your priorities, whether that means speed, character, efficiency, or overall value.

Power: 630 hp vs 677 hp 0-100 km/h: 3.4 s vs 3.7 s Top speed: 280 km/h vs 322 km/h
VS

Performance Comparison

For performance, compare power, 0-100 km/h acceleration and top speed together. Audi RS7 records 630 hp, 3.4 seconds to 100 km/h and 280 km/h, while Cadillac CT5 records 677 hp, 3.7 seconds and 322 km/h.

Price and Value

Price changes the answer because a quicker car is not always the better buy. Audi RS7 is listed at $155,400, while Cadillac CT5 is listed at $169,000. Use the price gap together with performance and equipment to judge real value.

Fuel Economy

Fuel economy is part of the long-term cost picture. Audi RS7 is rated at 12.6 L/100km, while Cadillac CT5 is rated at 14.0 L/100km. For high-mileage drivers, even a small efficiency difference can matter.

Priority verdict

Category winners for this matchup

Best Performance
2025 Cadillac CT5

Highest weighted performance score from power, acceleration, and top speed (67/100).

Best Value
2024 Audi RS7

Best mix of price, performance, and efficiency (77/100).

2024 Audi RS7

Pros

  • Quicker 0-100 km/h
  • Lower price
  • Better efficiency

Cons

  • Less power
  • Lower top speed
  • Older model year

2025 Cadillac CT5

Pros

  • More power
  • Higher top speed
  • Newer model year

Cons

  • Slower off the line
  • Higher price
  • Higher fuel consumption
Buyer guide

Which One Should You Buy?

Choose the 2024 Audi RS7 if:

You prioritize a lower listed price, quicker 0-100 km/h acceleration, and better recorded efficiency.

Choose the 2025 Cadillac CT5 if:

You prioritize stronger horsepower, a higher top speed, and a newer model year.

Power
630 hp vs 677 hp
0-100 km/h
3.4 s vs 3.7 s
Top Speed
280 km/h vs 322 km/h
Technical data

2024 Audi RS7 vs 2025 Cadillac CT5 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 Audi RS7 2025 Cadillac CT5 Source / standard
Power 630 hp 677 hp 2024 Audi RS7: Audi MediaCenter technical data; 2025 Cadillac CT5: unverified record.
0-100 km/h 3.4 s 3.7 s 2024 Audi RS7: Audi MediaCenter technical data; 2025 Cadillac CT5: unverified record.
Top Speed 280 km/h 322 km/h 2024 Audi RS7: Audi MediaCenter technical data; 2025 Cadillac CT5: unverified record.
Engine performance 4.0 TFSI V8 V Blackwing 6.2 V8 2024 Audi RS7: Audi MediaCenter technical data; 2025 Cadillac CT5: unverified record.
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 $155,400 $169,000 Listed market value; market context appears in the transparency panel.
Consumption 12.6 L/100km 14.0 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.

Original calculation

CarQuantix five-year energy and performance-value scenario

15,000 km/year; $1.25 per litre or $0.18 per kWh; unchanged consumption and energy price. Insurance, tax, servicing, tires, finance and depreciation are excluded.

2024 Audi RS7 annual energy$2362
2025 Cadillac CT5 annual energy$2625
2024 Audi RS7 five-year energy$11812
2025 Cadillac CT5 five-year energy$13125
2024 Audi RS7 performance-value index40.54
2025 Cadillac CT5 performance-value index40.06

Formula: Energy cost = distance / 100 × recorded consumption × assumed unit price. Value index = hp / listed price × 10,000. These are comparable scenarios based on recorded inputs, not ownership promises or resale forecasts.

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 Kerim Orazov — Founder & Automotive Data Analyst
Last updated 2026-07-16
Market used US
Test standard Audi technical data; WLTP consumption
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.

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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, Audi RS7 or Cadillac CT5?

The Audi RS7 vs Cadillac CT5 decision should be read by category, not as one universal winner. The better choice depends on how you weight performance, price, running cost and practicality.

Which is faster, Audi RS7 or Cadillac CT5?

Compare horsepower, 0-100 km/h and top speed together. Audi RS7 has 630 hp and a 280 km/h top speed, while Cadillac CT5 has 677 hp and a 322 km/h top speed.

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