What Is a Fastback Car? Body Style Explained

Fastback cars stand out for their sleek, sloping rear design that offers both sporty looks and practical benefits. Their aerodynamic shape helps with fuel efficiency and electric range, while modern features make them suitable for families and everyday use.

Fastback cars are gaining popularity across the UK, thanks to their stylish sloping rear and practical features. Whether you want a car that looks sporty but still returns strong mpg on a daily commute, or a family needing extra boot space for weekends away, the fastback body style is worth considering. This guide looks at what sets fastbacks apart, how their design helps with performance and efficiency, and which models to consider.

Fastback cars stand out not just for their looks but for how they handle on the road. The streamlined profile genuinely improves fuel economy and stability, especially at higher speeds. As more drivers in the UK look for practical cars with a bit of flair, the fastback's mix of style and everyday usability makes it a strong choice, and with electric vehicles becoming more common, the aerodynamic edge of a sloped roofline is even more valuable for going further on a single charge.

What is a fastback?

Defining the shape

A fastback is known for its smooth, unbroken slope from the roof all the way to the rear bumper. This creates a streamlined profile that looks sporty and modern. The sloped roofline is not just about looks: it helps the car move through the air more easily, which can make a difference on the road.

How it differs from saloons and hatchbacks

Unlike a traditional saloon, which has a separate boot, or a hatchback with a more upright rear, the fastback's design is continuous. This coupe-like hatch gives the car a dynamic look, and it often means better aerodynamics compared with boxier shapes.

Key benefits of fastback design:

·        Sleek, sporty appearance

·        Improved aerodynamics for better efficiency

·        Often more boot space than expected

·        Practical for daily use and family life

How do fastbacks affect aerodynamics and performance?

Drag and fuel economy

The main advantage of a fastback's sloping rear is reduced drag. With less air resistance, you can get better fuel economy, with some models reaching up to 45 mpg or more for petrol versions. For electric cars, the improved airflow can add up to 20 extra miles of range on a single charge. A typical drag coefficient (Cd value) for a fastback might be around 0.26-0.28, compared with 0.30 or higher for more upright cars.

High-speed stability and handling

A streamlined fastback shape helps keep the car stable at higher speeds, giving a smoother and quieter ride on the motorway. This is especially noticeable on longer journeys or when overtaking, and the design also helps handling, making the car feel more planted and responsive.

How have fastback designs evolved for everyday practicality?

Liftback and boot access

Older fastbacks sometimes had limited boot access, but modern versions often use a liftback design, where the whole rear window and tailgate lift together for a wide loading opening. Boot space can be generous, with many fastbacks offering 450 litres (about 16 cu ft) or more, making them as practical as many hatchbacks.

Family-friendly interior space

Today's fastbacks are designed with families in mind. Rear seats usually fold down to create even more space, and the sloping roof does not always mean less headroom. Compact fastbacks and crossover fastbacks are especially popular with families who want a car that looks good but still fits everyone comfortably.

Which fastbacks are popular in the UK market?

Performance fastbacks

Performance-oriented fastback models are loved by enthusiasts for their speed and style, often doing 0-60 mph in under 5 seconds with top speeds of 150 mph or more. Prices for these models can start from around £40,000, depending on features and trim.

Premium and executive fastbacks

If you want something a bit more refined, premium sportback options available through Sandicliffe offer coupe profiles with five-door practicality. Executive fastbacks can cost between £35,000 and £55,000 and often come with luxury interiors and advanced tech. Some electric fastback options now offer ranges of up to 350 miles on a single charge.

Value and family options

For families or those on a budget, compact and family-friendly fastbacks offer a good mix of looks and practicality, found from around £25,000, with fuel economy up to 50 mpg and boot capacities of 400-500 litres (14-18 cu ft).

Examples of practical fastbacks:

·        Sporty grand tourer-style fastbacks: 0-60 mph in 5.5 seconds, up to 40 mpg, 480 litres boot (17 cu ft)

·        Family-friendly compact fastbacks: 0-60 mph in 8.5 seconds, 50 mpg, 450 litres boot (16 cu ft)

·        Fastback SUVs: 0-60 mph in 9 seconds, 45 mpg or 250 miles EV range, 500 litres boot (18 cu ft)

Model comparison:

Try a test drive or compare trims to find the best fastback for your needs.

What does the future hold for fastbacks?

Electrification and range benefits

As electric cars become more common in the UK, the aerodynamic shape of fastbacks is more important than ever. A 10 per cent reduction in drag can give an electric fastback up to 5 per cent more range, sometimes 15-20 miles extra on a full charge, helping drivers go further between charges and save on running costs.

Manufacturer design innovations

Vehicle manufacturers are working on new fastback designs that push the limits of style and efficiency. Concept electric fastback designs often feature even sleeker shapes and clever features to cut drag, and expect to see more practical, eye-catching fastbacks on the road as technology improves.

Find your ideal fastback with Sandicliffe

Choosing a fastback means getting both sporty looks and everyday practicality. Whether you want something for the daily commute or a family adventure, there is a fastback or streamlined liftback to suit your needs. Compare models and book a test drive at Sandicliffe's online store to find your perfect match today.

Frequently asked questions

What is the difference between a fastback and a hatchback?

A fastback has a continuous sloping roofline, while a hatchback has a more upright rear. Fastbacks look sportier and are often more aerodynamic.

Are fastbacks more fuel-efficient?

Yes, the streamlined shape can improve fuel economy and, for electric cars, extend driving range.

Do fastbacks have less boot space than saloons?

Not always. Many fastbacks offer similar or even more boot space, especially with liftback designs.

Are fastbacks good for families?

Modern fastbacks are designed with families in mind, offering spacious interiors and flexible boot space.

Which fastbacks offer the best electric range?

Premium and executive electric fastbacks can offer up to 350 miles on a single charge, depending on the model.

How much does a fastback typically cost in the UK?

Prices range from about £25,000 for compact models to £55,000 or more for premium or performance versions.

Is a fastback harder to park than other cars?

Most fastbacks are similar in size to hatchbacks or saloons, so parking is not usually more difficult.