Fuelfacts

Audi models ranked by fuel economy, 2026

22 Audi models are rated for model year 2026. Their best combined ratings run from 16 to 115, with a median of 23. Audi Q4 e-tron leads at 115; Audi SQ8 is last at 16.

The leader gets 7.2 times the combined rating of the model at the bottom, a spread of 99.

The largest step between neighbouring ranks comes after Audi RS e-tron, 3rd: the next model, Audi A3, is 56 lower.

On annual fuel cost under the file's assumptions, Audi Q4 e-tron is lowest at $650 and Audi SQ8 highest at $5,150; the median is $3,550.

By vehicle class: Standard SUVs (7), Midsize cars (4), Small SUVs (3), Subcompact cars (3), 3 more with 5 models in all.

By powertrain: Gasoline (12), Hybrid (7), Electric (3).

MPGe is used for electric models: it is the electric equivalent of MPG, so the figures are comparable as energy efficiency.

Audi Q4 e-tron115Audi S e-tron90Audi RS e-tron84Audi A328Audi A526Audi S326Audi Q325Audi A6 Hybrid24Audi Q524Audi A623Audi RS23Audi S523
Best combined rating of the most efficient Audi models for model year 2026.

All 22 models ranked

Annual fuel cost in the file is based on 15,000 miles a year, 55% city and 45% highway driving, and the fuel prices that fueleconomy.gov published at the time of the release (the same prices for every model year).

Audi models ranked by combined rating, model year 2026
RankModelVehicle classPowertrainCombined MPGAnnual fuel costCO2 g/mileVersions
1Audi Q4 e-tronStandard SUVsElectric115$65003
2Audi S e-tronCompact carsElectric90$85002
3Audi RS e-tronCompact carsElectric84$90001
4Audi A3Subcompact carsGasoline28$2,9503231
5Audi A5Midsize carsGasoline26$3,1503451
6Audi S3Subcompact carsGasoline26$3,1503461
7Audi Q3Small SUVsGasoline25$2,7003621
8Audi A6 HybridStation wagonsHybrid24$3,4003651
9Audi Q5Small SUVsGasoline24$3,4003682
10Audi A6Midsize carsGasoline23$3,5503871
11Audi RSSubcompact carsGasoline23$3,5503871
12Audi S5Midsize carsGasoline23$3,5503861
13Audi SQ5Small SUVsGasoline23$3,5503822
14Audi A8 HybridLarge carsHybrid22$3,7504141
15Audi Q7Standard SUVsGasoline22$3,7504051
16Audi Q7 HybridStandard SUVsHybrid20$4,1004421
17Audi Q8Standard SUVsHybrid19$4,3504591
18Audi S8Large carsHybrid18$4,5505021
19Audi RS HybridMidsize carsHybrid16$5,1505452
20Audi RS Q8Standard SUVsHybrid16$5,1505471
21Audi SQ7Standard SUVsGasoline16$5,1505401
22Audi SQ8Standard SUVsGasoline16$5,1505401

Each model is shown with its most efficient rated version. How the figures are prepared: methods and data.