1988 BMW 6 Series MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1988 BMW 6 Series.
The 1988 BMW 6 Series has 3 model options: Automatic 4-spd 6-cyl, 3.4 L, Manual 5-spd 6-cyl, 3.4 L and Manual 5-spd 6-cyl, 3.5 L.
The 1988 BMW 6 Series Automatic 4-spd 6-cyl, 3.4 L runs on regular gasoline and is in the Subcompact Cars car class.
The 1988 BMW 6 Series Manual 5-spd 6-cyl, 3.4 L runs on regular gasoline and is in the Subcompact Cars car class.
The 1988 BMW 6 Series Manual 5-spd 6-cyl, 3.5 L runs on premium gasoline and is in the Subcompact Cars car class.
🛣 How Many Miles per Gallon (MPG) Does a 1988 BMW 6 Series Get?
Across all models, the combined average MPG for the 1988 BMW 6 Series is 14 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic 4-spd 6-cyl, 3.4 L | 14 | 13 | 17 |
| Manual 5-spd 6-cyl, 3.4 L | 15 | 14 | 19 |
| Manual 5-spd 6-cyl, 3.5 L | 12 | 9 | 17 |
💵 What is the Average Yearly Fuel Cost for a 1988 BMW 6 Series?
The average fuel costs for all models of the 1988 BMW 6 Series is $4,917.
The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
Comparing a 1988 BMW 6 Series to an average vehicle over 5 years, you will spend $13,083 more on fuel.
The table below shows the fuel costs and 5-year save/spend for each model option:
| Model Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Automatic 4-spd 6-cyl, 3.4 L | $4,450 | spend $10,750 more |
| Manual 5-spd 6-cyl, 3.4 L | $4,150 | spend $9,250 more |
| Manual 5-spd 6-cyl, 3.5 L | $6,150 | spend $19,250 more |
The 1988 BMW 6 Series is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.
The tables below show how much you can expect to pay in Gas Guzzler taxes.
| Model Option | Gas Guzzler Tax |
|---|---|
| Automatic 4-spd 6-cyl, 3.4 L | $5,400 |
| Model Option | Gas Guzzler Tax |
|---|---|
| Manual 5-spd 6-cyl, 3.4 L | $4,500 |
| Model Option | Gas Guzzler Tax |
|---|---|
| Manual 5-spd 6-cyl, 3.5 L | $7,700 |
🛢 How Many Barrels of Petroleum Does a 1988 BMW 6 Series Consume?
Across all models, the average number barrels of petroleum that the 1988 BMW 6 Series will consume in one year is 22 barrels.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
| Model Option | Barrels |
|---|---|
| Automatic 4-spd 6-cyl, 3.4 L | 21 |
| Manual 5-spd 6-cyl, 3.4 L | 20 |
| Manual 5-spd 6-cyl, 3.5 L | 25 |
💨 How Many Grams of CO2 Does a 1988 BMW 6 Series Emit?
The 1988 BMW 6 Series will emit an average of about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the 1988 BMW 6 Series.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 3 1988 BMW 6 Series model options.
Automatic 4-spd 6-cyl, 3.4 L
The table below contains all of the details we have for the 1988 BMW 6 Series Automatic 4-spd 6-cyl, 3.4 L:
| City MPG | 13 |
|---|---|
| Highway MPG | 17 |
| Combined MPG | 14 |
| Save/Spend vs Average Car | Spend $10,750 |
| Gas Guzzler Tax | $5,400 |
| Fuel Cost | $4,450 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 21 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.4 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Subcompact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Manual 5-spd 6-cyl, 3.4 L
The table below contains all of the details we have for the 1988 BMW 6 Series Manual 5-spd 6-cyl, 3.4 L:
| City MPG | 14 |
|---|---|
| Highway MPG | 19 |
| Combined MPG | 15 |
| Save/Spend vs Average Car | Spend $9,250 |
| Gas Guzzler Tax | $4,500 |
| Fuel Cost | $4,150 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 20 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.4 |
| Transmission | Manual 5-spd |
| Vehicle Class | Subcompact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Manual 5-spd 6-cyl, 3.5 L
The table below contains all of the details we have for the 1988 BMW 6 Series Manual 5-spd 6-cyl, 3.5 L:
| City MPG | 9 |
|---|---|
| Highway MPG | 17 |
| Combined MPG | 12 |
| Save/Spend vs Average Car | Spend $19,250 |
| Gas Guzzler Tax | $7,700 |
| Fuel Cost | $6,150 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 25 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.5 |
| Transmission | Manual 5-spd |
| Vehicle Class | Subcompact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/bmw/6-series/1988">1988 BMW 6 Series MPG and Fuel Economy</a>
"1988 BMW 6 Series MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/bmw/6-series/1988.
"1988 BMW 6 Series MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/bmw/6-series/1988. Accessed January 3, 2026.
1988 BMW 6 Series MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/bmw/6-series/1988.