Audi A4
Audi's core executive sedan, usually the most technologically advanced car in its class, with quattro traction available across the range.
Quick Facts & Specification Overview: The Audi A4 is a sedan featuring powertrains delivering from 170 to 354 horsepower, achieving up to 37 MPG combined on official EPA ratings. Engineered with FWD and AWD drivetrain systems across 2 generations, the model holds a Not Rated-star NHTSA safety rating and zero open safety recalls on the latest production run.
Years
1994 - present
Power
170 - 354 hp
Best MPG
37 MPG
NHTSA
Not Rated★ overall
2024 Recalls
0 campaigns
Complaints
2 filed
01At a glance
Audi A4 by the numbers
| Topic | Audi A4 | Detail |
|---|---|---|
| Power range | 170 - 354 hp | 5 powertrains verified |
| EPA fuel economy | 25 - 37 MPG | Combined cycle, best trim |
| Safety rating | Not Rated★ overall (2025) | Frontal Not Rated★ · Side 5★ · Rollover Not Rated★ |
| Recalls (2024) | 0 | Open NHTSA safety campaigns |
| Complaints (2024) | 2 | TIRES, ELECTRICAL SYSTEM |
| Fuel types | Petrol | FWD, AWD drivetrains |
| Generations indexed | 2 | Each with full spec sheet |
| Dimensions (latest) | 4726 x 1842 x 1427 mm | L x W x H, 2820 mm wheelbase |
02Crash protection
Audi A4 NHTSA safety ratings
| Year | Overall | Frontal | Side | Rollover | Recalls |
|---|---|---|---|---|---|
| 2025 | NR | NR | 5★ | NR | 0 |
| 2025 | 5★ | 4★ | 5★ | 5★ | 0 |
| 2024 | NR | NR | 5★ | NR | 0 |
| 2024 | 5★ | 4★ | 5★ | 5★ | 0 |
| 2023 | 5★ | 4★ | 5★ | 5★ | 0 |
| 2022 | 5★ | 4★ | 5★ | 5★ | 0 |
| 2021 | NR | NR | 5★ | NR | 0 |
| 2021 | 5★ | 4★ | 5★ | 5★ | 0 |
| 2020 | NR | NR | 5★ | NR | 0 |
| 2020 | 5★ | 4★ | 5★ | 5★ | 0 |
Source: NHTSA Safercar_data.csv, official 5-Star Safety Ratings program. Recall counts from NHTSA Recall API. Official NHTSA ratings
05Pick your year
Audi A4 generations
05Generation comparison matrix
Compare all Audi A4 generations
| Specification | A4 B92016 – 2024 (8W) | A4 B82008 – 2015 (8K) |
|---|---|---|
| Power Output | 190 – 354 hp | 170 – 211 hp |
| EPA Fuel Economy | Up to 37 MPG combined | Up to 33 MPG combined |
| Quickest 0–100 km/h | 4.7s | 6.5s |
| Exterior Dimensions | 4726 × 1842 × 1427 mm | 4703 × 1826 × 1427 mm |
| Wheelbase | 2820 mm | 2808 mm |
| Powertrains Verified | 3 trims | 2 trims |
| Full Specs | View spec sheet | View spec sheet |
Smart Value & Budget Pick
A4 B8
Ideal for used-car shoppers seeking reliable transportation with lower acquisition costs, proven naturally aspirated engines, and mature parts availability.
Explore A4 B8specs →Technology & Modern Pick
A4 B9
Best for drivers wanting contemporary safety tech, digital cockpits, peak horsepower ratings, and the latest aerodynamic styling.
Explore A4 B9specs →06Answers
Audi A4: what buyers ask
How many recalls does the Audi A4 have?
The 2024 Audi A4 has 0 open NHTSA recall campaigns. Always verify by your exact VIN, because recall coverage varies by production run.
What MPG does the Audi A4 get?
Across verified powertrains, the A4 achieves 25 to 37 MPG combined (EPA cycle).
How much horsepower does the Audi A4 have?
Power ranges from 170 hp to 354 hp across 5 verified powertrains, spanning Petrol fuel types.
Is the Audi A4 safe?
The 2025 A4 earned a Not Rated-star overall NHTSA rating (frontal Not Rated, side 5, rollover Not Rated). It has earned 5 stars in 7 tested model years.
What are common Audi A4 problems?
NHTSA has 2 owner complaints on file for the 2024 model year, most frequently involving TIRES, ELECTRICAL SYSTEM.
How many generations does the Audi A4 have?
We index 2 verified generations with full powertrain specification sheets, spanning production from 1994 to the present.
07Compare
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08Buyer's Guides
A4 Research & Technical Explainers
AWD vs. 4WD vs. FWD vs. RWD: The Complete Drivetrain Guide (Mechanics, Snow, Towing & Efficiency)
Front, rear, all or four-wheel drive, what's the difference, and which drivetrain is right for your driving? Mechanics, pros, cons and examples.
September 19, 2026
City vs. Highway vs. Combined MPG Explained: EPA Formula & Real-World Guide
What do the three MPG numbers on a spec sheet actually mean, why is your real-world figure lower, and which should you care about? A complete guide.
September 26, 2026
CVT vs. DCT vs. DSG vs. Automatic: Every Car Transmission Compared
Torque converter, dual-clutch, CVT or manual, how each gearbox works, how it feels to drive, and which one belongs in your next car.
September 5, 2026
Sources for this page
- EPA fuel-economy records: Audi A4Certification data across model years
- NHTSA vehicle file: recalls and owner complaintsLatest model-year record
- NHTSA vPIC vehicle databasePowers our VIN decoder, the federal manufacturer registry
- Audi official: data sheets and archiveManufacturer-published specifications
Figures on this page are compiled from the sources above and cross-checked against manufacturer data sheets. US-market EPA cycle where noted; European WLTP values are measured differently and are not directly comparable.
Check a specific A4
Model-level data is a starting point, not a guarantee for your vehicle. Decode the exact VIN to confirm year, trim, engine, assembly plant and any open recalls that apply to that specific production run.
Open VIN check