Every engine, transmission, drivetrain and fuel economy combination the EPA certified for the 1990 Prelude. 6 configurations listed, with city, highway and combined mpg, annual fuel cost and tailpipe CO₂ for each one.
| Engine | Transmission | Drive | City | Hwy | Comb. | L/100km | Fuel cost/yr | CO₂ g/mi | Fuel |
|---|---|---|---|---|---|---|---|---|---|
| 2.1L I4 | 4-speed automatic 2MODE 3LKUP | FWD | 18 | 23 | 20 | 11.8 | $3,350 | 444 | Regular Gasoline |
| 2L I4 | 4-speed automatic 2MODE 3LKUP | FWD | 18 | 24 | 20 | 11.8 | $3,350 | 444 | Regular Gasoline |
| 2.1L I4 | 5-speed manual | FWD | 19 | 24 | 21 | 11.2 | $3,200 | 423 | Regular Gasoline |
| 2L I4 | 5-speed manual | FWD | 19 | 25 | 22 | 10.7 | $3,050 | 404 | Regular Gasoline |
| 2L I4 | 4-speed automatic 2MODE 3LKUP | FWD | 19 | 25 | 21 | 11.2 | $3,200 | 423 | Regular Gasoline |
| 2L I4 | 5-speed manual | FWD | 20 | 25 | 22 | 10.7 | $3,050 | 404 | Regular Gasoline |
mpg figures are the EPA window-sticker values in US gallons. The L/100km column is the same figure converted for metric readers. CO₂ is tailpipe only and excludes fuel production.
| Engine 1 | 2L I4 (Regular Gasoline) |
|---|---|
| Engine 2 | 2.1L I4 (Regular Gasoline) |
| Engine technology | (FFS) 2 barrel carb, (FFS) fuel injection, 2MODE 3LKUP |
|---|
| Drivetrain | FWD |
|---|---|
| Vehicle class | Subcompact Cars |
| Fuel types | Regular Gasoline |
| Best combined | 22 mpg (10.7 L/100km) |
|---|---|
| Worst combined | 20 mpg (11.8 L/100km) |
| Spread | 20–22 mpg combined across configurations |
| Annual fuel cost (best) | $3,050 |
| Tailpipe CO₂ (best config) | 404 g/mile |
|---|---|
| Tailpipe CO₂ range | 404 – 444 g/mile across all configurations |
| 5-year fuel cost vs average new vehicle | $3,250 more |
Dimensions, curb weight, interior volume, oil capacity and torque specifications require official Honda documentation that we have not yet verified for this model year. They will be added once sourced.