Audi
A5
Genesis
G70
Audi A5 vs Genesis G70: 2025 Comparison
The short answer
The Audi A5 offers fuel economy, while the Genesis G70 excels at power instead. Choose the Audi A5 if you prioritize fuel economy in daily driving, or the Genesis G70 if power matters more for your needs. Both are covered by real owner reports on CarWizz.
Specs side by side
What owners say
A5
Overall
Sentiment is sharply divided by generation. For the B9/B9.5 generation (approximately 2017-2024 models), feedback is overwhelmingly positive. Owners praise these models for being "rock solid," offering a superb driving experience ("drives like it's on rails"), excellent build quality with no squeaks even at high mileage, and strong reliability with proper maintenance.
Best version to buy
For the B9/B9.5 generation, the A5 Sportback is the most recommended body style for its blend of coupe-like aesthetics and hatchback practicality. The S-Line trim is strongly advised for its superior interior and sportier suspension.
Known issues
- ⚠**B9/B9.5 Generation (2017-2024):** * High maintenance and repair costs out of warranty. Frequency: very frequent. * Known issues with the 2.0T engine (e.g., water pump failure). Frequency: recurrent.
- ⚠**B10 Generation (2025+):** * Severe software and electronic glitches (drive assist failures, phantom alerts, SOS connectivity loss, infotainment crashes). Frequency: very frequent. * Unreliable mobile app and digital key functionality.
G70
Overall
Sentiment is sharply divided, creating a high-risk, high-reward ownership profile. The vehicle is widely praised for its exceptional value proposition, offering strong performance (particularly from the 3.3T V6), a well-appointed interior, and engaging driving dynamics at a price point significantly below established German competitors. Many owners express deep satisfaction, citing the car as a "blast" to drive and a remarkable performance bargain, especially when purchased used with steep depreciation.
Best version to buy
The 3.3T Sport Prestige (or similarly high-trim) model is most frequently recommended. Owners highlight the superior power and performance of the twin-turbo V6 over the 2.0T and 2.5T four-cylinder engines.
Known issues
- ⚠Dealership service and corporate support problems: extremely long wait times for appointments (4-6 weeks), refusal or inability to provide loaner vehicles, unresponsive customer service, parts availability delays. Frequency: very frequent.
- ⚠Electrical and sensor malfunctions: false forward collision/Blind Spot Monitoring warnings, sensor failures (often attributed to stone chips), complete driver-aid system shutdowns, intermittent fault lights. Frequency: very frequent.
- ⚠Interior build quality and rattles: headliner and sunroof rattles, creaking doors in cold weather, failing power seat switches, vibrating speakers, loose objects in headliner. Frequency: very frequent.
The verdict
The Audi A5 is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Genesis G70, based on the data above. If power matters more to you than running costs, the Genesis G70 is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Audi A5 or the Genesis G70?
Owner reports show similar reliability sentiment for the Audi A5 and the Genesis G70. Check the known issues listed above for specific differences between the two.
Which is better for families, the Audi A5 or the Genesis G70?
Both seat a similar number of passengers based on our data. The Audi A5 is classed as a Station wagon, the Genesis G70 as a Sedan, which affects cargo space and ride height for family use.
Which has better fuel economy, the Audi A5 or the Genesis G70?
The Audi A5 is more fuel-efficient on paper: 2.2-7.4 L/100km combined versus 11.2-11.7 L/100km for the Genesis G70, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the Audi A5 or the Genesis G70?
Exact maintenance costs aren't in our data, but reliability signals above are the closest proxy: fewer reported issues generally means lower repair costs over time.