Regan Brown
The DeLorean, also known as the DMC DeLorean or DMC-12, is a car with a unique history and design. With its iconic gull-wing doors and stainless steel body, it has become a cultural icon, especially due to its role in the Back to the Future film franchise. While the car received generally positive reviews from automotive magazines, some criticised its performance, with Motor Trend, Car and Driver, and Road & Track arguing that it is more of a grand touring car than a sports car. The DeLorean's fuel efficiency has been a topic of discussion, with reported mileage ranging from 12 to 28 miles per gallon, depending on various factors such as driving style and engine modifications.
| Characteristics | Values |
|---|---|
| Engine | Fuel-injected V6 PRV engine (Peugeot-Renault-Volvo) |
| Engine bore and stroke | 91 mm (3.6 in) bore and 73 mm (2.9 in) stroke |
| Compression ratio | 8.8:1 |
| Fuel injection system | Bosch K-Jetronic |
| Fuel efficiency | 12-28 mpg (miles per gallon) |
| Fuel cap | Locking fuel cap to prevent fuel tampering or theft |
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What You'll Learn
Fuel efficiency was a priority for DMC
The DeLorean was also designed with a fuel-injected V6 PRV engine, which contributed to its fuel efficiency. The car had two transmission options: a 5-speed manual and a 3-speed automatic, both with a final drive ratio of 3.44:1. The automotive press praised the DeLorean for its commendable fuel economy, despite some criticism of its performance in comparative testing.
To simplify fuel filling, the original DeLorean hood featured a fuel filler flap. The car typically had a locking fuel cap to prevent fuel tampering or theft. However, in August 1981, the fuel flap was removed from the hood, and the company eventually switched to a non-locking fuel cap.
While fuel efficiency was a priority for DMC, some owners of the DeLorean have reported varying fuel economy figures. Factors such as driving style, engine modifications, and fuel type can influence the miles per gallon (MPG) achieved. Some owners have reported MPG figures ranging from 12 to 28, while others have claimed to achieve over 30 MPG through hypermiling techniques. Overall, DMC prioritised fuel efficiency in the design and development of the DeLorean, and the car was generally well-received for its fuel economy by the automotive press.
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The DMC-12's MPG estimates range from 12-28
The DMC DeLorean, also known as the DMC-12, has received various estimates for its miles per gallon (MPG) fuel efficiency. The automotive press has generally praised the DeLorean for its commendable fuel economy, among other features. However, according to owners and users of the DMC-12, the MPG estimates range from 12 to 28.
Several factors influence the variation in MPG estimates. Firstly, individual driving habits play a significant role. Some users have reported achieving higher MPG by driving more conservatively, such as "driving like an old man." Additionally, the type of fuel used can impact fuel efficiency. One user reported that using 91 octane fuel resulted in MPG estimates between 12 and 15. Furthermore, modifications and upgrades made to the engine can also affect fuel economy. One owner shared that even after engine modifications, their DeLorean DMC-12 achieved an average of 17.85 MPG, with city driving accounting for 60% of their usage.
The transmission type of the DeLorean also seems to make a difference. One owner of a 1983 manual DeLorean with twin turbos reported achieving 24 to 25 MPG on the highway while driving at or slightly above the speed limit. In contrast, they noted that their previous DeLorean, an automatic with twin turbos, delivered 1.5 to 2 MPG less. Another user, who also had a manual transmission, estimated their MPG to be between 15 and 17, depending on their driving style.
It is worth noting that some owners have expressed skepticism about the accuracy of MPG measurements, with one person doubting claims of 30 MPG. Proper tuning of the engine and accurate speedometer readings are crucial for reliable MPG calculations. Overall, the DMC-12's MPG estimates vary, but with careful driving and the right fuel, some owners have achieved fuel efficiency of up to 28 MPG or even slightly higher.
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The fuel filler flap simplified fuel filling
The DeLorean, also known as the DMC DeLorean or DMC-12, is a car with a distinctive appearance and a passionate following. While opinions vary on its overall quality, one feature that has proven convenient is its fuel filler flap, which simplifies the process of filling the vehicle with fuel.
The fuel filler flap was introduced as part of the original hood design, which included grooves running down both sides of the hood. This feature was intended to make it easier to fill the car with fuel, and it complemented the locking fuel cap that was designed to prevent fuel theft or tampering.
However, in August 1981, the fuel flap was removed from the hood, leaving only the creases as a reminder of its former presence. This change occurred due to a transition in fuel caps. The company switched from locking fuel caps to non-locking fuel caps, resulting in at least 500 cars that lacked a hood flap but retained the locking fuel caps.
Despite this transition, the fuel filler flap's original purpose remained intact: to simplify fuel filling. This aspect of the DeLorean's design contributed to its overall functionality and practicality, making it easier for owners to refuel their vehicles.
While the fuel filler flap played a role in the car's functionality, other factors also influenced the DeLorean's fuel efficiency. Owners have reported varying miles per gallon (MPG) figures, with some achieving 12-15 MPG, while others claim to get 24-25 MPG on the highway when driving within the speed limit. Driving habits and engine modifications can also impact fuel economy, with more aggressive driving styles and engine modifications potentially reducing fuel efficiency.
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The fuel cap was locking to prevent theft
The DeLorean had a locking fuel cap to prevent fuel theft. Fuel theft is a growing concern, especially in urban areas, and has been on the rise in recent years. Thieves target vehicles in parking lots and along highways, siphoning fuel from cars. A locking fuel cap acts as a deterrent to potential thieves as it denies them easy access to the fuel tank. It adds an extra layer of security, making it harder for thieves to steal fuel.
The locking fuel cap on the DeLorean was an important security feature, especially given the car's fuel efficiency. The DeLorean was praised for its commendable fuel economy, which meant it could go further on a tank of fuel. This made it an attractive prospect for fuel thieves, who could siphon a larger amount of fuel from a single car. The locking fuel cap helped to protect the fuel in the tank from theft and tampering.
The use of locking fuel caps is a common method to deter fuel theft, especially in areas where fuel theft is a concern. While some may consider it a hassle to use a locking fuel cap, it can provide peace of mind and enhance the overall security of a vehicle. It is an affordable solution to safeguard fuel, and there are various types available to fit different needs and budgets.
However, it is worth noting that a locking fuel cap is just one part of vehicle security. There are other measures that can be taken to prevent fuel theft, such as investing in a fuel theft prevention device or upgrading a vehicle's alarm system. Additionally, some locking fuel caps may not be as secure as others, and thieves can sometimes find ways to bypass them. Nevertheless, the locking fuel cap on the DeLorean was an important feature to deter fuel theft and protect the vehicle's fuel supply.
In summary, the fuel cap on the DeLorean was locking to prevent theft. Fuel theft is a serious concern, and a locking fuel cap acts as a deterrent by denying thieves easy access to the fuel tank. While it may not be a perfect solution, it adds an extra layer of security and can provide peace of mind to vehicle owners.
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The engine was fuel-injected
The DMC DeLorean, also known as the DMC-12, is equipped with a fuel-injected V6 PRV engine. The engine has a 3.6-inch bore, a 2.9-inch stroke, and a compression ratio of 8.8:1. The fuel injection system used in the DeLorean is the Bosch K-Jetronic, which is designed to provide efficient fuel delivery and improve engine performance.
The fuel-injected engine of the DeLorean offers several advantages. Firstly, fuel injection systems are known for their precision in delivering the right amount of fuel to the engine, ensuring optimal combustion and fuel efficiency. This precision contributes to better fuel economy, which means that the DeLorean can achieve a reasonable number of miles per gallon of fuel.
While the exact fuel capacity of the DeLorean is not readily available, owners have reported varying miles per gallon (MPG) figures. Some DeLorean owners have reported achieving around 12 to 15 MPG, while others claim to get up to 24 or 25 MPG on the highway when driving within the speed limit. Driving habits and conditions can significantly impact fuel economy, and some owners have noted that their MPG can vary depending on their driving style and whether they are driving in the city or on the highway.
The DeLorean's fuel system also includes a fuel filler flap, which simplifies the process of filling the tank with fuel. The car typically featured a locking fuel cap to prevent fuel theft or tampering. However, in the later models produced from 1982 to 1983, the fuel flap was removed, and the company switched to a non-locking fuel cap.
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Frequently asked questions
The DeLorean has a fuel capacity of 9.5 gallons (36 litres) and gets 17-25 miles per gallon, depending on driving style and conditions.
The DeLorean has been praised for its fuel economy, with Motor Trend, Car and Driver, and Road & Track all making positive remarks about its efficiency. However, some owners have reported issues with poor fuel mileage, even after engine modifications and upgrades.
Yes, the DeLorean originally had a locking fuel cap to prevent fuel tampering or theft by siphoning. However, in 1981, the company switched to a non-locking fuel cap, and the fuel flap was removed from the hood.
