Vehicle database
Acura RSX
DC5 / 2004-2005 / Coupe / 3-door hatchback coupe
North America / Japan (as Honda Integra DC5)North America (primary), also Japan as Honda Integra DC5 with some variationCoverage: expanded
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
2004 Acura RSX K20A2/K20A (DC5)
DC5 / K20A2, K20A / The 2004 Acura RSX was available in North America primarily with the K20A2 2.0L DOHC inline-4 engine producing about 160 hp. The Japanese market Honda Integra Type R featured the higher performance K20A engine variant with VTEC, making around 210 hp.
GoldOpen details
Oil type: SAE 5W-30 synthetic recommendedOil capacity: Approximately 3.9 liters (service-fill including filter change)Related: DC5, K20A2, K20A
2005 Acura RSX K20A2/K20Z1 (DC5)
DC5 / K20A2, K20Z1 / 2005 Acura RSX featured two main engines: K20A2 (US DM and Si models) producing approx. 200 hp, and K20Z1 (Type-S) producing approx. 210 hp. Japan received K20A for Type R variants.
SilverOpen details
Oil type: SAE 5W-30, API certification recommendedOil capacity: Approx. 4.2 quarts (4.0 L) including filter (service fill)Related: K20A2, K20Z1
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2004 | technical-profile | K20A2, K20A | 1998 cc | Programmed Fuel Injection (PGM-FI) |
| 2005 | technical-profile | K20A2, K20Z1 | 2.0 L inline-4 | Multi-point fuel injection |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2004 | K20A2, K20A | SAE 5W-30 synthetic recommended | Approximately 3.9 liters (service-fill including filter change) | Honda ATF-Z1 or equivalent for automatic |
| 2005 | K20A2, K20Z1 | SAE 5W-30, API certification recommended | Approx. 4.2 quarts (4.0 L) including filter (service fill) | Honda ATF-Z1 or DW-1 for automatic, manual uses gear oil SAE 75W-90 GL-4 |
Technical specifications
- Engines: K20A2, K20A, K20Z1
- Transmissions: 6-speed manual transmission (standard on Type S), 5-speed automatic available (base trims), Honda ATF-Z1 or equivalent for automatic, Close-ratio 6-speed manual (available on base and Type-S models), 5-speed automatic with SportShift (available on base models), Honda ATF-Z1 or DW-1 for automatic, manual uses gear oil SAE 75W-90 GL-4
- Tire sizes: 205/55R16 (Type S), 205/55R16 (base), 215/45ZR17
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: SAE 5W-30 synthetic recommended / SAE 5W-30, API certification recommended
- Transmission fluid: Honda ATF-Z1 or equivalent for automatic / Honda ATF-Z1 or DW-1 for automatic, manual uses gear oil SAE 75W-90 GL-4
- Coolant: Approximately 6.9 liters / Approx. 6.2 liters
- Brake fluid: DOT 3 or DOT 4
Known problems
- Window regulator failure
- Oil consumption in high mileage
- Suspension wear
- Valve cover gasket leaks
- Oil consumption in higher mileage engines
- Limited slip differential chatter in some Type-S units