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Compare
Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
| Specification | BMW2014 BMW i8 Coupe (I12) | Bentley2025 Bentley Continental GT Speed |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphIndependent test · Wikipedia | 208 mphBestManufacturer claim · Bentley |
| Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ. | 231.9 hp/tCalculated | 304.4 hp/tBestCalculated |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.80 sIndependent test · Car and Driver | 3.10 sBestManufacturer claim · Bentley |
| 0–100 km/hLower is better | 4.40 sIndependent test · Wikipedia | 3.20 sBestManufacturer claim · Bentley |
| 0–100 mph | 9.60 sIndependent test · Car and Driver | — |
| 0–200 km/h | — | 10.7 sIndependent test · auto motor und sport |
| Braking | ||
| 70–0 mph braking distanceLower is better | 166.0 ftBestIndependent test · Car and Driver | 167.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 333.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 357 hpIndependent test · Wikipedia | 771 hpBestManufacturer claim · Bentley |
| Peak torqueHigher is better | 420 lb-ftIndependent test · Wikipedia | 738 lb-ftBestManufacturer claim · Bentley |
| Engine displacement | 1499.0 ccIndependent test · Wikipedia | 3996.0 ccManufacturer claim · Bentley |
| Cylinder count | 3Independent test · Wikipedia | 8Manufacturer claim · Bentley |
| Engine layout | Inline-3Independent test · Wikipedia | V8Manufacturer claim · Bentley |
| Engine placement | MidIndependent test · Wikipedia | |
| Dimensions | ||
| Length | 185 inIndependent test · Wikipedia | 193 inManufacturer claim · Bentley |
| Width | 77 inIndependent test · Wikipedia | — |
| Height | 51 inIndependent test · Wikipedia | 55 inManufacturer claim · Bentley |
| Wheelbase | 110 inIndependent test · Wikipedia | 112 inManufacturer claim · Bentley |
| Weight | ||
| Curb weightLower is better | 3394 lbBestIndependent test · Wikipedia | 5587 lbHomologation · European Environment Agency |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 19.0 mpgHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 17.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 22.0 mpgHomologation · US EPA |
| Fuel tank capacity | — | 21.1 galManufacturer claim · Bentley |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | 402 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | |
| Electric System | ||
| Battery gross capacityHigher is better | 7.1 kWhIndependent test · Wikipedia | 25.9 kWhBestManufacturer claim · Bentley |
| EPA rangeHigher is better | 15 miIndependent test · Wikipedia | 30 miBestHomologation · US EPA |
| Practicality | ||
| Cargo volume | — | 9 ft³Manufacturer claim · Bentley |
| Seats | 4Independent test · Wikipedia | — |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $302,100Independent test · Kelley Blue Book |
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
Community index
Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Induction type | TurbochargedIndependent test · Wikipedia | Twin-turboManufacturer claim · Bentley |
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| Transmission type | Torque-converter automaticIndependent test · Wikipedia | Dual-clutch (PDK)Manufacturer claim · Bentley |
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| Number of gears | 6Independent test · Wikipedia | 8Manufacturer claim · Bentley |
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| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 359 miCalculated |
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