First generation A3 (8L) production numbers: Approximately 550,000 units were produced between 1996 and 2003.
Engine variants: The original A3 came with 5 diesel and 10 petrol engine options, including the 1.6L turbocharged unit producing 101 horsepower.
All-wheel-drive system: Early models (8L) used a Haldex-based AWD system that could send up to 100% of power to the rear wheels when required.
Audi S3 (8P): In 2006, Audi introduced a high-performance variant, with a 2.0L turbocharged engine producing 255 horsepower.
SEAT León and Volkswagen Golf shared platforms: The A3's first-generation (8L) platform was used for the SEAT León and Mk4 Volkswagen Golf.
1.9L TDI diesel variant: Produced from 1997, this engine option featured a turbocharged 1.9L inline-5 cylinder configuration.
Engine production locations: The A3's 2.0L turbocharged engines were initially produced in Ingolstadt and later also in Martorell (Spain).
Quattro permanent all-wheel drive: Available on the higher trims of the second-generation A3 (8P), this system could send up to 70% of power to the rear wheels.
Sportback body style introduction: The third generation A3 (8V) introduced a new Sportback design, featuring a sloping roofline.
1.5L TFSI petrol engine: Launched in 2016 for the Mk4 A3 (8Y), this turbocharged inline-4 cylinder produced 115 horsepower.
Mk2 Audi S3 engine upgrades: The second generation S3 saw a boost to 292 horsepower from its original 265-horsepower output.
Audi e-tron hybrid powertrain integration: In the fourth-generation A3 (8Y), Audi introduced a mild hybrid system that paired with a 1.5L turbocharged engine for improved efficiency.
Optional manual transmissions: Available on certain trims and engine options, Audi offered a 6-speed manual transmission option on the Mk4 A3 (8Y).
Rear-seat legroom: The first generation A3 (8L) featured 34 inches of rear-seat legroom.
Wheels and tire sizes: Early models came with 14-inch steel wheels, while higher trims were available with 16- or 17-inch alloy wheels paired with larger tires.
Audi A3 Sportback TFSI quattro model: Offered on the fourth-generation A3 (8Y), this trim featured a 2.0L turbocharged engine and all-wheel drive.
Fuel economy improvements: The third generation A3 (8V) saw improved fuel efficiency, particularly for diesel variants with lower engine capacities.
Audi e-tron hybrid system specifics: The fourth-generation A3's mild hybrid setup utilized a 12-volt lithium-ion battery pack and an electric motor to generate 13 horsepower.
Engine displacement capacity range: Throughout its production history, the Audi A3 has been offered with engine displacements ranging from 1.2L to 2.0L.
Mk4 S-line trim introduction: Launched on the fourth-generation A3 (8Y), this trim featured sporty styling and suspension upgrades for enhanced driving dynamics.
First-gen A3 fuel tank capacity: Early models had a 12-gallon fuel tank capacity.
Audi quattro permanent all-wheel-drive history: The first Audi model to feature a permanent AWD system was the Quattro, launched in 1980.
Volkswagen Group shared platforms usage: Like other Volkswagen Group models (e.g., SEAT León and Mk4 Golf), the A3 also utilized this shared platform for cost efficiency.
Audi e-tron hybrid system energy recovery capability: The mild hybrid system integrated into the fourth-generation A3 could recover up to 12 horsepower from kinetic energy.
Engine stop-start technology introduction: This feature was introduced in some trims of the third generation A3 (8V) for improved fuel efficiency.
Transmission options and gear ratios: Throughout its production history, Audi has offered various transmission types with different gear ratios tailored to each engine variant and drivetrain configuration.
Rear suspension design change: The first generation A3's MacPherson strut-based front suspension was complemented by a torsion beam rear axle setup in early models.
Audi Sport Performance Package availability: Offered on certain trims of the fourth-generation A3 (8Y), this package added performance-oriented features, such as 18-inch wheels and revised suspension tuning.
Optional sunroof installation: On select trims of all generations, Audi offered an optional panoramic glass roof for improved interior ambiance.
Engine displacement range per generation:
Gen1: 1.2L - 2.0L
Gen2: 1.2L - 3.2L (S3 only)
Gen3: 1.6L - 2.5L (optional TFSI and diesel variants)
First-generation A3 wheelbase length: The original model's 99-inch wheelbase provided for a more compact design.
Third-generation A3 interior features:
Optional ambient lighting with programmable color profiles
Available touch-sensitive buttons on the steering column
Mk4 e-tron hybrid system power assistance level: This mild hybrid setup can provide an additional 13 horsepower to assist during acceleration and driving uphill.
Engine production numbers per generation:
Gen1: Over 500,000 units produced (1996-2003)
Optional driver assistance systems: Throughout its production history, Audi has offered various driver assistance features as options on the A3, including adaptive cruise control and lane departure warning.
Engine capacity modifications per generation:
Gen1: Introduced 1.6L TDI diesel and turbocharged petrol engines
Gen2: Added a new 2.0L turbocharged engine with an optional S3 trim
Wheel sizes: Throughout its production history, the Audi A3 has been offered in various wheel sizes, including 14-inch steel wheels on base trims to 17- or 18-inch alloy wheels on higher-performance variants.
Mk4 e-tron hybrid system fuel efficiency enhancements: This mild hybrid setup offers improved fuel economy by using stored energy for acceleration and driving uphill.
Audi's quattro permanent all-wheel drive development: Initially designed as a high-performance variant, the Quattro went on to become a standard feature in various Audi models, including the A3.
First-generation A3 curb weight range: Early models weighed between 2,400 and 2,700 pounds (1,089-1,225 kg) depending on engine configuration and trim level.