Audi A4 Avant Mercedes-Benz CLA

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

24 of these rows differ. They sit at the top. Figures come straight from the makers, indicative. A bullet (•) marks a differing row.
Audi A4 Avant Mercedes-Benz CLA
Fuel (differs) Petrol Electric
Model years (differs) 2019-now 2025-now
From (indicative) (differs) € 51,950 € 55,858
Status Available Available
RatingsRating figures: higher is better (scale 0-100). What each category measures is explained on the methodology page.
Reliability (differs) 74/100 n/a
Efficiency (differs) 65/100 n/a
Practicality (differs) 76/100 70/100
Value retention (differs) 67/100 n/a
Sustainability (environmental impact) (differs) 40/100 82/100
Specifications
Body style (differs) Estate Sedan
Doors (differs) 5 4
Power (hp) (differs) 150 272
0–100 km/h (s) (differs) 9.2 6.7
Top speed (km/h) (differs) 220 210
Length (mm) (differs) 4762 4723
Width (mm) (differs) 1847 1855
Height (mm) (differs) 1435 1468
Kerb weight (kg) (differs) 1575 2055
Consumption WLTP (l/100km) (differs) 6.3
Max. towing weight, braked (kg) (differs) 1900 1500
Boot (l) (differs) 495 405
Range (WLTP, km) (differs) 792
Battery (kWh) (differs) 85
Fast charging, public charger (kW) (differs) 320
Consumption WLTP (kWh/100km) (differs) 12.5
Seats 5 5

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

Show sources and reference dates per rating
  • Audi A4 Avant · Reliability: ADAC breakdown statistics 2025 (segment) + aggregated owner reviews + RDW recall data · reference date 2026-05-18
  • Audi A4 Avant · Efficiency: Owner-reported petrol consumption vs WLTP 6.3 l/100km (public forums) · reference date 2026-05-18
  • Audi A4 Avant · Practicality: Boot 495 l + towing weight 1,900 kg vs D-segment estate (manufacturer figure, indicative) · reference date 2026-05-18
  • Audi A4 Avant · Value retention: Residual-value indication from D-segment-premium valuation guides (historical average) · reference date 2026-05-18
  • Audi A4 Avant · Sustainability (environmental impact): WLTP consumption manufacturer figure petrol + exhaust emissions (Euro-6d norm on current models), reference date 2026-05-21 · reference date 2026-05-21
  • Mercedes-Benz CLA · Sustainability (environmental impact): WLTP consumption 12.5 kWh/100km + Mercedes battery warranty (10 yr/250,000 km, conditional) + LCA indication ICCT 2024 · reference date 2026-05-20
  • Mercedes-Benz CLA · Reliability: too recent for reliable data, as of 2026-05-20 · reference date 2026-05-20
  • Mercedes-Benz CLA · Efficiency: too recent for reliable data, as of 2026-05-20 · reference date 2026-05-20
  • Mercedes-Benz CLA · Practicality: Boot 405 l + 101 l frunk + towing weight 1,500 kg vs. C-segment sedans (manufacturer figure, indicative) · reference date 2026-05-20
  • Mercedes-Benz CLA · Value retention: too recent for reliable data, as of 2026-05-20 · reference date 2026-05-20

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 · B9 (facelift, 35 TFSI)

Audi A4 Avant

D-segment estate on the MLB-evo platform; the B9 generation got a facelift in 2019 and remains the base until the A5 name change from 2025. Entry is the 35 TFSI, a 2.0 four-cylinder petrol with 48V mild hybrid and 150 hp. WLTP around 6.3 l/100km (manufacturer figure, indicative); owners report 7-8 l/100km mixed (public forums, not measured by us).

Profile · C174 (2025-, MMA-platform)

Mercedes-Benz CLA

Third-generation CLA (C174), unveiled March 2025, built on the new Mercedes Modular Architecture (MMA) platform with both EV and hybrid variants. EV variant CLA 250+ has 85 kWh net, 272 hp and an 800V architecture; DC charging up to 320 kW (manufacturer figure). WLTP around 792 km. Boot 405 litres, braked towing weight 1,500 kg. A Shooting Brake estate sits alongside the sedan. Indicative German starting price around 55,858 euro.

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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.