Audi A4 vs Audi A5: Introduction

The Audi A4 and Audi A5 are among the German brand’s most sought after models. They share many similarities, including size and engine choices, but some crucial differences could make one a better fit for you than the other. In this guide, we’ll look at the key aspects of both vehicles to help you make an informed decision when buying used.

A comparison of a blue Audi A4 and a white Audi A5. The Audi A4 is driving on a road surrounded by trees, and the Audi A5 is driving on a road surrounded by hills. The two cars are separated by the word "VS.

Audi A4 on left; Audi A5 on right

Audi A4 vs Audi A5: Size and Styling

Understanding the Basics

The A4 and A5 are exactly the same size and share many major components, including engines, suspension, and electronics. Each is approximately 4.7 metres long. Other cars of this size include the BMW 3 Series and the Ford Mondeo.

Differences in Body Type

The Audi A4 is a traditional family car available in saloon or estate (known as ‘Avant’) bodies. There’s also an SUV-style version called the A4 Allroad, which features raised suspension and tough plastic body cladding. Conversely, the Audi A5 is sportier and available as a coupe or convertible. There’s also the A5 Sportback, a sleek five-door hatchback that offers additional practicality.

Sporty vs Traditional

The A5 is slightly lower and wider than the A4, giving it a sportier look. Both models were updated in 2019 with new styling details, most notably larger front grilles and new headlight designs. If you prefer a more traditional look, the A4 may be the better option, whereas the A5 appeals to those seeking a sportier design.

Audi A4 vs Audi A5: Interior and Tech

Premium Feel

The interiors of both the A4 and A5 are extremely user-friendly and beautifully made. While they aren’t quite luxury cars, the inside of either is a very relaxing place to spend long journeys. The A4 has bigger windows, allowing more light to enter, making the interior feel more spacious. The A5’s slightly darker interior is fitting for its sporty remit.

Tech Features

Both models share the same dashboard, complete with a long list of features as standard. Expect sat nav, a widescreen digital driver’s display, climate control, cruise control, and automatic emergency braking. The only noticeable difference is the ambiance created by the larger windows in the A4.

User Experience

Switching between the two models is seamless as the layout of buttons, knobs, and dials are identical. You’ll find the same premium materials and build quality in both vehicles, ensuring a premium driving experience regardless of your choice.

A comparison of the interiors of an Audi A4 and an Audi A5. The left side shows the interior of the Audi A4, featuring a black dashboard with a large touchscreen, a three-spoke steering wheel, and a gear shifter. The right side shows the interior of the Audi A5, also with a black dashboard, a large touchscreen, a three-spoke steering wheel, and a gear shifter. The two interiors are separated by the word "VS.

Audi A4 on left; Audi A5 on right

Audi A4 vs Audi A5: Boot Space and Practicality

Family-Oriented A4

The A4 is designed with families in mind. It offers space for five adults to travel comfortably and has a boot capacity of 480 litres. The Avant and Allroad versions offer a bit more room with 495 litres of space.

Sporty A5

The A5, while less practical, is still spacious enough for four adults. The coupe has a boot capacity of 450 litres, the convertible offers 380 litres, and the Sportback matches the A4 saloon’s 480 litres.

Versatility

Both the A4 and A5 feature back seats that fold down in three parts, making it easy to load longer items like skis or curtain rails. This versatility adds to their appeal as practical yet stylish vehicles.

A comparison of the cargo areas of an Audi A4 and an Audi A5. The left side shows the cargo area of the Audi A4, with a black trunk liner and a small storage compartment. The right side shows the cargo area of the Audi A5, with a white trunk liner and a larger, more open space. The two cargo areas are separated by the word "VS.

Audi A4 on left; Audi A5 on right

Audi A4 vs Audi A5: Which is the best to drive?

Similar Yet Different

Given their similarities, the A4 and A5 offer almost identical driving experiences. Both models feature responsive steering, are easy to park, and excel at cruising long distances on motorways. However, if driving enjoyment on winding country roads is a priority, options like the BMW 3 Series or Jaguar XE may be more fun.

Engine Options

The A4 and A5 share the same petrol and diesel engines. Even the least powerful engines can provide rapid acceleration, but high-performance models like the S4 and S5 offer nearly 350bhp. For even more power, the RS4 Avant and RS5 boast almost 450bhp.

Transmission and Drivetrain

Automatic gearboxes are more popular in both models, with the latest versions being automatic-only. Audi’s Quattro four-wheel-drive system is available with more powerful engines, enhancing traction and performance.

A comparison of a blue Audi A4 and a white Audi A5. The Audi A4 is driving on a road surrounded by trees, and the Audi A5 is driving on a road surrounded by hills. The two cars are separated by the word "VS.

Audi A4 on left; Audi A5 on right

Audi A4 vs Audi A5: Which costs less to own?

Fuel Economy

Both the A4 and A5 offer similar fuel economy. The latest A4 saloon and A5 coupe promise an average fuel economy of 40-45mpg with petrol engines and 48-58mpg with diesel engines. Other versions have slightly lower figures but remain competitive.

Insurance and Purchase Price

The A5, being sportier, costs a bit more to insure and purchase compared to the A4. However, the differences may be justified by the A5’s additional style and performance.

Maintenance Costs

Regular maintenance costs are comparable for both models. However, it’s always wise to consider factors like tyre wear and brake replacements, especially for high-performance versions.

Audi A4 vs Audi A5: Which is Safer?

Euro NCAP Ratings

Both the A4 and A5 received five-star ratings from Euro NCAP in 2015, indicating excellent crash protection. They also rank well for pedestrian safety.

Driver Assistance Features

Modern driver assistance features in both models include automatic emergency braking, cruise control with speed limiter, and hill-hold assist. These features contribute to a safer driving experience.

Build Quality

Audi’s reputation for building solid, reliable cars is evident in both the A4 and A5. The build quality ensures these vehicles remain safe and dependable choices in the used car market.

Audi A4 vs Audi A5: Dimensions

Audi A4 Saloon

  • Length: 4762mm
  • Width: 2022mm (including door mirrors)
  • Height: 1428mm
  • Boot space: 480 litres

Audi A5 Coupe

  • Length: 4697mm
  • Width: 2029mm (including door mirrors)
  • Height: 1371mm
  • Boot space: 450 litres

Comparison

Although their dimensions are similar, these measurements highlight the A5’s slightly sportier proportions compared to the A4’s more traditional family car design.

A comparison of the dimensions of an Audi A4 and an Audi A5. The left side shows a blue Audi A4 from an aerial view, with the dimensions listed below: 4,760mm length, 1,842mm width, 1,427mm height, and 480 liters boot space. The right side shows a silver Audi A5 from an aerial view, with the dimensions listed below: 4,673mm length, 1,846mm width, 1,371mm height, and 450 liters boot space. The two cars are separated by the word "VS.

Audi A4 vs Audi A5: Verdict

Family or Sporty?

The A4 and A5 are essentially the same car with different bodies and purposes. If you’re looking for a large saloon, estate, coupe, convertible, or hatchback, both models are excellent choices. The A4 is the obvious choice for families due to its spaciousness and practicality, while the A5 caters to those who prefer a sportier look and feel.

Cost Considerations

The A4 generally costs less to buy, new or used, than the A5 Sportback. This cost difference might be the deciding factor for many buyers, making the A4 a more attractive option for budget-conscious individuals.

Final Thoughts

Ultimately, the best choice depends on your personal preferences and needs. If you value practicality and cost-effectiveness, the A4 is the way to go. If you’re drawn to sporty aesthetics and don’t mind paying a bit more, the A5 is an excellent choice.

Ready to make a decision? Explore our extensive range of used Audi A4 and used Audi A5 models at MOTORS and find the perfect car for you.

For more detailed advice and guidance on buying used cars, check out our safe buying advice and buying a used car checklist. Explore our comprehensive guides to ensure you get the best deal possible.