2025 Audi A3 vs 2025 Cadillac CT4
Comparison Overview
Choosing between the 2025 Audi A3 and the 2025 Cadillac CT4 often comes down to prioritizing refined efficiency versus raw value and power in the compact luxury segment. If stretching your budget is a concern, the CT4 undercuts the A3 by a substantial $3,205, starting at $34,995 compared to the Audi’s $38,200. While the Audi delivers a respectable 28 MPG combined using regular unleaded, the Cadillac offers a slight edge in acceleration, packing 237 hp against the A3's 201 hp, though it requires premium fuel. The Audi leans into tighter maneuverability with its 177.3-inch length, whereas the CT4 provides a noticeable 2.4 cubic feet more cargo space at 10.7 cu ft. This comparison highlights a trade-off between Audi's established efficiency and AWD system versus Cadillac’s traditional RWD layout and superior initial output for a lower sticker price.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Audi A3
The 2025 Audi A3 wins for commuters due to its superior fuel economy, achieving 28 MPG combined versus the CT4's 26 MPG.
2025 Cadillac CT4
The 2025 Cadillac CT4 is better suited for families needing more utility, offering 10.7 cubic feet of cargo capacity compared to the A3's 8.3 cubic feet.
2025 Cadillac CT4
Enthusiasts will prefer the Cadillac CT4 for its higher output, generating 237 horsepower and 258 lb-ft of torque.
2025 Cadillac CT4
The Cadillac CT4 provides significantly better financial value upfront, starting $3,205 cheaper than the Audi A3.
Choose the Audi A3 if...
- You prioritize fuel savings and efficiency, as the A3 achieves 34 MPG on the highway.
- You prefer the assured grip of an all-wheel-drive system, standard on the A3.
- You need a slightly more compact footprint at 177.3 inches long for easier urban parking.
Choose the Cadillac CT4 if...
- You want the most immediate power, as the CT4 offers 237 horsepower.
- You need more usable space, benefiting from the CT4's 10.7 cubic feet of trunk space.
- Saving money is crucial, given the CT4's $34,995 base MSRP is $3,205 less than the A3.
Key Dimensions
| Dimension | Audi A3 | Cadillac CT4 |
|---|---|---|
| Length | 177.3" | 187.2" |
| Width | 71.5" | 71.4" |
| Height | 56.2" | 56.0" |
| Wheelbase | 103.7" | 109.0" |
Features Comparison
Safety
| Feature | Audi | Cadillac |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | ✓ |
| Rear Cross Traffic Alert | ✓ | ✓ |
| Pre-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Dual Rear Side-Mounted Airbags | ✓ | ✓ |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Rear Door Child Safety Locks | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Solid Disc Brakes | ✓ | — |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 2 |
| Rear Height Adjustable Headrests | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Lane Keeping Assist System | — | ✓ |
| Post-Collision Safety System | — | ✓ |
| Rear Ventilated Disc Brakes | — | ✓ |
| Headlight Delay-Off | — | ✓ |
Engine
| Feature | Audi | Cadillac |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 201 hp | 237 hp @ 5000 rpm |
| Torque | 236 lb-ft | 258 lb-ft @ 1500 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
| Cylinder Deactivation | — | ✓ |
Drive Train
| Feature | Audi | Cadillac |
|---|---|---|
| Transmission Type | 7-speed automated manual | 8-speed shiftable automatic |
| Drivetrain Type | all wheel drive | rear wheel drive |
| Center Differential Type | Limited Slip | — |
Fuel
| Feature | Audi | Cadillac |
|---|---|---|
| Fuel Type | regular unleaded | premium unleaded (recommended) |
| EPA Fuel Economy (City/Highway) | 24/34 MPG | 22/32 MPG |
| EPA Fuel Economy (Combined) | 28 MPG | 26 MPG |
| EPA Driving Range (City/Highway) | 348.0/493.0 mi. | 374.0/544.0 mi. |
| Fuel Tank Capacity | 14.5 gal. | 17.0 gal. |
Comfort & Convenience
| Feature | Audi | Cadillac |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Cruise Control | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Three Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts | ✓ | ✓ |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Cruise Control on Steering Wheel | — | ✓ |
| Rear Parking Sensors | — | ✓ |
| Wireless Charging Pad | — | ✓ |
| Front Seatback Storage | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Sun Sensor | — | ✓ |
In Car Entertainment
| Feature | Audi | Cadillac |
|---|---|---|
| Infotainment Display | 10.1 in | 8.0 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | 8 |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Auxiliary Audio Input | — | ✓ |
| Memory Card Slot | — | ✓ |
| Satellite Radio | — | ✓ |
| Satellite Radio Trial Period | — | 3 months |
| Speed Sensitive Volume Control | — | ✓ |
Power Feature
| Feature | Audi | Cadillac |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass Extended | — |
| Remote Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | Audi | Cadillac |
|---|---|---|
| Front Head Room | 36.8 in. | 38.3 in. |
| Front Leg Room | 41.2 in. | 42.4 in. |
| Front Shoulder Room | 54.8 in. | 55.2 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Passenger Seat Power Adjustments | 8-way | 6-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Driver Seat Heating | Multi-level | — |
| Passenger Seat Heating | Multi-level | — |
| Front Hip Room | — | 53.0 in. |
| Seat Material: Leatherette | — | ✓ |
Rearseats
| Feature | Audi | Cadillac |
|---|---|---|
| Rear Head Room | 36.6 in. | 36.5 in. |
| Rear Leg Room | 35.2 in. | 33.4 in. |
| Rear Shoulder Room | 53.0 in. | 53.9 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Rear Seat Feature | ✓ | ✓ |
| Pass-Thru Center Armrest | ✓ | ✓ |
| Rear Hip Room | — | 52.5 in. |
Tires and Wheels
| Feature | Audi | Cadillac |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Diameter | 17 in | 17 in |
| Tire Type | All Season | ✓ |
| Tire Size | 225/45R17 | P225/45R17 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Finish | — | Painted Alloy |
Suspension
| Feature | Audi | Cadillac |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Audi | Cadillac |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 4 yr./ 50000 mi. | 6 yr./ 70000 mi. |
| Corrosion/Rust Warranty | 12 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 6 yr./ 70000 mi. |
| Complimentary Scheduled Maintenance | — | 1 yr./ unlimited mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Audi A3 and 2025 Cadillac CT4.
Is the required fuel type a significant factor between these two sedans?
Yes, it is important; the 2025 Audi A3 runs perfectly fine on regular unleaded fuel, helping save money per fill-up. Conversely, the 2025 Cadillac CT4 recommends premium unleaded, which generally increases ongoing fuel expenses.
How much difference does the drivetrain make in daily driving?
The Audi A3 comes standard with all-wheel drive (AWD), which is excellent for traction in slick conditions. The Cadillac CT4 utilizes a traditional rear-wheel drive (RWD) setup, which often appeals to driving enthusiasts for better handling dynamics.
Which sedan has a better transmission setup?
They use different technologies: the A3 features a 7-speed automated manual, focusing on quick shifts for efficiency. The CT4 employs a traditional 8-speed shiftable automatic, which some drivers find smoother for routine driving.
Is the size difference between the two cars noticeable for passengers?
While both are compact luxury sedans, the CT4 is over ten inches longer (187.2 inches vs. 177.3 inches), which translates directly into that larger 10.7 cu ft cargo area compared to the A3's 8.3 cu ft.
Considering the lower power output, does the Audi A3 still feel quick?
While the A3's 201 hp is lower than the CT4's 237 hp, it has solid torque for its size at 236 lb-ft, paired with AWD, meaning it should feel responsive enough for merging onto highways.
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