BMW E9

BMW E9: Which Version to Buy and Why

The BMW E9 catalogue data presents one generation, produced from 1968 to 1975 as a Coupe, with three listed versions. Because there is no later generation to compare, the buying decision comes down to the engines: the 2.8 MT produces 170 hp, while the two entries named 3.0 MT produce 180 hp and 200 hp.

The BMW E9 catalogue data presents one generation, produced from 1968 to 1975 as a Coupe, with three listed versions. Because there is no later generation to compare, the buying decision comes down to the engines: the 2.8 MT produces 170 hp, while the two entries named 3.0 MT produce 180 hp and 200 hp. All three combine a Gasoline Inline engine, front longitudinal placement, a Manual gearbox with 4 gears, and RWD. Buyers prioritizing output should consider the 200 hp 3.0 MT; those wanting the smallest listed displacement should choose the 170 hp 2.8 MT; and the 180 hp 3.0 MT provides a Carburetor-equipped alternative between them.

BMW E9 generations and versions

The BMW E9 has 1 generation in the supplied catalogue. The 1 generation ran from 1968 to 1975, used a Coupe body, and contained 3 modifications. No separate restyling or additional generation is identified in the data.

With every listed version sharing the same production period, body style, gearbox type, gear count, drive system, engine placement, cylinder count, and cylinder layout, there is no generation-versus-generation choice to make. Instead, displacement, power, power output per litre, fuel system, and compression ratio distinguish the available versions.

BMW E9 engine specs compared

The 2.8 MT has a 2788 cc engine producing 170 hp, which equals approximately 61.0 hp per litre. Its power peak occurs at 6000 rpm. The fuel system and compression ratio are not measured in the supplied data.

The 200 hp 3.0 MT uses 2985 cc and produces approximately 67.0 hp per litre. Its listed central injection system is “Central injection (single-point or single- point),” its compression ratio is 9.5, and maximum power arrives at 5500 rpm.

The 180 hp 3.0 MT has 2986 cc, a Carburetor, and a compression ratio of 9. Its specific output is approximately 60.3 hp per litre, with maximum power reached at 6000 rpm.

The two versions sharing the exact name 3.0 MT must therefore be identified by output. The 200 hp 3.0 MT has 1 cc less displacement yet develops 20 hp and 15 kW more than the 180 hp 3.0 MT. It also reaches its power peak 500 rpm earlier and has a compression ratio higher by 0.5. In specific-output terms, it delivers approximately 6.7 hp per litre more.

Compared with the 2.8 MT, the 200 hp 3.0 MT adds 197 cc, 30 hp, and 22 kW. The 180 hp 3.0 MT adds 198 cc, 10 hp, and 7 kW over the 2.8 MT. These differences make the 200 hp version the clearest power upgrade in the listed range.

BMW E9 performance and economy

Acceleration, maximum speed, and fuel-consumption figures are not measured for any BMW E9 version in this catalogue data. Consequently, the versions cannot be ranked honestly by acceleration, top speed, or economy.

Power alone indicates engine output, not a measured road-performance result. Likewise, the earlier 5500 rpm power peak of the 200 hp 3.0 MT should not be presented as proof of better acceleration because neither acceleration nor vehicle weight is available.

Fuel-tank capacity is also not measured, so driving range cannot be calculated. CO2 output and environmental class are not measured for all three versions.

BMW E9 dimensions, weight, and size

BMW E9 kerb weight, gross weight, ground clearance, fuel-tank capacity, and wheel sizes are not measured in the supplied data. Overall exterior dimensions are also not measured.

Because kerb weight is unavailable, weight per horsepower cannot be calculated for the 2.8 MT, the 200 hp 3.0 MT, or the 180 hp 3.0 MT. Claims about which version has the best power-to-weight ratio would therefore go beyond the catalogue evidence.

All three versions do list Independent, spring front suspension and Disc front brakes. Rear suspension and rear brake specifications are not measured.

Which BMW E9 version should you buy?

Choose the 3.0 MT (200 hp) if maximum listed output is the priority. It leads the range with 200 hp and 147 kW, giving it 30 hp more than the 2.8 MT and 20 hp more than the other 3.0 MT. It also has the highest calculated specific output at approximately 67.0 hp per litre. Its Central injection system and 9.5 compression ratio further separate it from the Carburetor-equipped 180 hp version.

Choose the 2.8 MT if you specifically want the smallest engine in the catalogue. Its 2788 cc displacement is 197 cc below the 200 hp 3.0 MT and 198 cc below the 180 hp 3.0 MT. It produces 170 hp and 125 kW at 6000 rpm. Economy is not measured, however, so the smaller displacement cannot be treated as evidence of lower fuel use.

Choose the 3.0 MT (180 hp) if the Carburetor specification is central to your preference. It produces 180 hp and 132 kW from 2986 cc, placing it 10 hp above the 2.8 MT but 20 hp below the 200 hp 3.0 MT. At approximately 60.3 hp per litre, it has the lowest calculated specific output of the three, narrowly below the 2.8 MT’s approximately 61.0 hp per litre.

On the available numbers, the 200 hp 3.0 MT is the strongest overall specification. The 2.8 MT is the displacement-led choice, while the 180 hp 3.0 MT is the Carburetor-led choice. Price, value, reliability, known problems, engine-swap suitability, and cars for sale are not measured, so the data cannot show what any extra purchase cost would buy or establish which version is cheaper to own.