Audi A1 Sportback Audi A3 Sportback

Two cars on the same rows. The figures are all here, with their sources, so you can read them yourself and decide what matters.

Comparison table

17 of these rows differ. They sit at the top. Figures come straight from the makers, indicative. A bullet (•) marks a differing row.
Audi A1 Sportback Audi A3 Sportback
Model years (differs) 2018-now 2020-now
From (indicative) (differs) € 29,900 € 36,900
Status Available Available
Fuel Petrol Petrol
RatingsRating figures: higher is better (scale 0-100). What each category measures is explained on the methodology page.
Reliability (differs) 72/100 73/100
Efficiency (differs) 73/100 71/100
Practicality (differs) 60/100 67/100
Sustainability (environmental impact) (differs) 44/100 40/100
Value retention n/a n/a
Specifications
Power (hp) (differs) 110 150
0–100 km/h (s) (differs) 10.6 8.1
Top speed (km/h) (differs) 200 226
Length (mm) (differs) 4029 4352
Width (mm) (differs) 1740 1816
Height (mm) (differs) 1409 1441
Kerb weight (kg) (differs) 1205 1400
Consumption WLTP (l/100km) (differs) 5.4 5.8
Petrol consumption (l/100km) (differs) 5.4
Max. towing weight, braked (kg) (differs) 1000 1500
Boot (l) (differs) 335 380
Body style Hatchback Hatchback
Seats 5 5
Doors 5 5

OEM datasheets + RDW + ADAC (see methodology); rating and reference dates are listed per figure

Show sources and reference dates per rating
  • Audi A1 Sportback · Reliability: ADAC breakdown statistics 2025 (segment) + aggregated owner reviews + RDW recall data · reference date 2026-05-18
  • Audi A1 Sportback · Efficiency: Owner-reported petrol consumption vs WLTP 5.4 l/100km (public forums) · reference date 2026-05-18
  • Audi A1 Sportback · Practicality: Boot 335 l + towing weight 1,000 kg vs B-segment (manufacturer figure, indicative) · reference date 2026-05-18
  • Audi A1 Sportback · Value retention: Insufficient stable residual-value data per trim within the GB generation · reference date 2026-05-18
  • Audi A1 Sportback · Sustainability (environmental impact): WLTP consumption manufacturer figure petrol + exhaust emissions (Euro-6d standard on current models), reference date 2026-05-21 · reference date 2026-05-21
  • Audi A3 Sportback · Reliability: ADAC breakdown statistics 2025 (segment) + aggregated owner reviews + RDW recall data · reference date 2026-05-18
  • Audi A3 Sportback · Efficiency: Owner-reported petrol consumption vs WLTP 5.8 l/100km (public forums) · reference date 2026-05-18
  • Audi A3 Sportback · Practicality: Boot 380 l + towing weight 1,500 kg vs C-segment (manufacturer figure, indicative) · reference date 2026-05-18
  • Audi A3 Sportback · Value retention: Insufficient stable residual-value data per trim within 8Y since facelift · reference date 2026-05-18
  • Audi A3 Sportback · Sustainability (environmental impact): WLTP consumption manufacturer figure petrol + exhaust emissions (Euro-6d standard on current models), reference date 2026-05-21 · reference date 2026-05-21

Who they are

A short write-up on each car, one paragraph apiece. We describe them on their own terms rather than picking a winner.

Profile · GB (2018-, 30 TFSI)

Audi A1 Sportback

B-segment hatchback on the MQB-A0 platform, shared with the Volkswagen Polo and Seat Ibiza. Entry is the 30 TFSI three-cylinder with 110 hp; above it sits the 35 TFSI with 150 hp. WLTP around 5.4 l/100km (manufacturer figure, indicative); owners report mixed 6-7 l/100km (public forums, not measured by us). Boot 335 l is just above average for the class.

Profile · 8Y (facelift 2024)

Audi A3 Sportback

C-segment hatchback on the MQB platform, shared with Volkswagen Golf and Seat Leon. The 35 TFSI delivers about 150 hp from a petrol four-cylinder with 48V mild hybrid. WLTP around 5.8 l/100km (manufacturer figure, indicative); owners report 6.5-7.5 l/100km mixed (public forums, not measured by us).

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No tax or financial advice. Every figure shows its source and reference date. Always compare with an independent adviser and the official source. Source: OEM datasheets + RDW + ADAC (see methodology); rating and reference dates are listed per figure.