Chassis Code Explained
| Segment | Meaning | Detail |
|---|---|---|
| S | Engine family | S — 3S-series engine designation |
| W | Layout | W — mid-engine layout |
| 20 | Variant code | 20 — second-generation MR2 (1989–1999) |
SW20 Turbo used the 3S-GTE producing 225 PS JDM-spec; the naturally aspirated variant used the 3S-GE. Five production revisions ('Rev 1' through 'Rev 5') introduced progressive suspension and body changes.
Key Takeaways
- 3S-GTE turbo launched at 225PS (net) — Toyota called it ‘the highest for a 2.0-liter class engine’ at the time
- There was a documented tendency to snap oversteer at the edge, later improved through suspension and tyre modifications.
- The Japan-market turbo was never sold new in the UK but has been a popular import since
- GT-spec 3S-GE (non-catalyst) made 158bhp in UK tune, later uprated to 174bhp
- Exhausts can be expensive to replace, and overheating can signal a blown head gasket
- On imported turbo cars, check the two coolant hoses behind the turbo — they're prone to cracking and hard to replace
Technical Specifications
Engine Options
| Chassis | Engine | Displacement | Power — JDM | Notes |
|---|---|---|---|---|
| SW20 (NA, some markets) | 3S-FE | 2.0L | 130hp @ 5400rpm | DOHC 16V economy NA; market varies |
| SW20 (NA, JDM/EU) | 3S-GE (Gen2) | 2.0L | 165hp @ 6800rpm | High-output NA; early SW20 |
| SW20 (NA, later JDM/EU) | 3S-GE (Gen3) | 2.0L | 180hp @ 7000rpm | Revised head/intake; later SW20 |
| SW20 (Turbo, early) | 3S-GTE (Gen2) | 2.0L | 200hp @ 6000rpm | CT26 turbo; early SW20 |
| SW20 (Turbo, JDM later) | 3S-GTE (Gen3) | 2.0L | 245hp @ 6000rpm | CT20b turbo; JDM late SW20 |
| SW20 (Turbo, USDM) | 3S-GTE (Gen2) | 2.0L | 200hp @ 6000rpm | US rating; torque varies by year |
Livability
- Headroom
- 37.0"
- T-top cars feel tighter; helmet room is limited
- Rear Seats
- None
- Strict 2-seater; no occasional rear perch
- Cargo
- 9-13 cu ft
- Two trunks; SW20 turbo trunk is smaller from heat
This chassis became eligible for US import under the 25-year rule in 2014. Calculate import costs →
Variants & Trims
| Generation | Trim | Engine | Key Features |
|---|---|---|---|
| W20 (SW20, 2nd gen, 1989-1999) | MR2 (base, NA) | 3S-FE 2.0L NA | Mid-engine RWD, 5MT/4AT, pop-up lamps |
| W20 (SW20, 2nd gen, 1989-1999) | MR2 GT (JDM turbo) | 3S-GTE 2.0L Turbo | Turbo, intercooler, stronger E153 trans, LSD opt |
| W20 (SW20, 2nd gen, 1989-1999) | MR2 GT-S (US turbo) | 3S-GTE 2.0L Turbo | Turbo, intercooler, E153 5MT, sport suspension |
| W20 (SW20, 2nd gen, 1989-1999) | MR2 Turbo (EU/Gen) | 3S-GTE 2.0L Turbo | Turbo, intercooler, 5MT, market-specific spec |
| W20 (SW20, 2nd gen, 1989-1999) | G (JDM NA) | 3S-GE 2.0L NA | High-output NA, 5MT, sport interior |
| W20 (SW20, 2nd gen, 1989-1999) | G-Limited (JDM NA) | 3S-GE 2.0L NA | Top NA grade, luxury trim, options-heavy |
| W20 (SW20, 2nd gen, 1989-1999) | GTS (some markets NA) | 3S-GE 2.0L NA | High-output NA, sport suspension, 5MT |
| W20 (SW20, 2nd gen, 1989-1999) | T-Bar (where offered) | 3S-FE/3S-GE/3S-GTE | Removable roof panels, added bracing |
| W20 (SW20, 2nd gen, 1989-1999) | MR2 GT-S 'TRD 2000GT' (Japan) | 3S-GTE 2.0L Turbo | Widebody, aero, TRD parts, very limited |
Should You Buy a Toyota MR2 W20?
Why You'll Love It
- 225PS turbo at launch The newly developed 3S-GTE turbo launched at a ‘maximum output of 225ps (net value), the highest for a 2.0-liter class engine’ when the SW20 was introduced.
- Electro-Hydraulic Power Steering The SW20's 1989 renewal introduced Electro-Hydraulic Power Steering (EHPS) alongside the new 3S-GTE/3S-GE engines.
Why You Might Not
- There was a documented tendency to snap oversteer at the edge, later improved through suspension and tyre modifications. Toyota ‘spent a huge amount of time honing the handling, with some success,’ but there was ‘a tendency to snap oversteer at the edge,’ later improved through suspension and tyre modifications.
- Turbo coolant hoses behind the turbo On imported turbo cars, a coolant leak from behind the turbo can point to one of two hoses that are prone to cracking and are extremely difficult to replace.
- Exhaust and head-gasket costs Exhausts can be expensive to replace, and any sign of overheating could indicate a blown head gasket.
Who Should NOT Buy This
- There was a documented tendency to snap oversteer at the edge, later improved through suspension and tyre modifications.
- Buyers of an imported turbo car who won't inspect both coolant hoses behind the turbo for cracking
- Buyers without budget for an exhaust replacement or head-gasket work if the car shows signs of overheating
Common Issues & Solutions
| Issue | Cause | Solution | Est. Cost |
|---|---|---|---|
| There was a documented tendency to snap oversteer at the edge, later improved through suspension and tyre modifications. | The guide documents a tendency to snap oversteer at the edge, later improved through suspension and tyre modifications. | Confirm whether suspension and tyre updates have been applied, and test cautiously within your limits. | Get a written estimate if suspension components need replacing. |
| Turbo coolant hose cracking | Two coolant hoses behind the turbo are prone to cracking. | Inspect both hoses for cracks; budget extra labor since they are extremely difficult to replace. | Get a written estimate for hose replacement. |
| Expensive exhaust replacement | Exhausts can be expensive to replace. | Inspect the full exhaust and get a replacement quote before buying. | Get a written estimate for exhaust replacement. |
| Overheating / possible head gasket | Any sign of overheating can indicate a blown head gasket. | Verify stable running temperature on a full-length test drive; investigate any overheating before buying. | Get a written estimate for head-gasket repair if overheating is confirmed. |
Differences between JDM & USDM
Toyota's October 1989 renewal gave the SW20 a Japan-launched 3S-GTE turbo rated at 225PS (net) — ‘the highest for a 2.0-liter class engine’ at the time — alongside a 165PS 3S-GE naturally aspirated option and Electro-Hydraulic Power Steering. That turbo option stayed Japan-market in some export territories: in the UK it ‘was never sold in the UK market but has been a popular import since.’ UK-market cars instead used a catalyst-equipped 3S-FE at 119bhp in base trim, or a non-catalyst 3S-GE GT rated 158bhp and later uprated to 174bhp. For a US buyer considering a JDM turbo import, confirm the vehicle's manufacture date and current import, EPA, and state requirements.
Pre-Purchase Inspection Checklist
Critical Priority
High Priority
Medium Priority
Generation History
SW20 (2nd gen) (1989-1999)
- 3S-GTE Turbo (JDM/ROW); 5S-FE NA (US)
- Rev1-Rev5 updates; later cars more stable
- Turbo cars lead values; mods can hurt pricing
- Cooling system and turbo heat management critical
Sales Numbers by Year
| Year | Notes |
|---|---|
| 1989 | AW11 production ends; SW20 launched in October |
| 1992 | SW20 first facelift (Rev2) — wider rear tires, larger wheels, revised suspension geometry |
| 1995 | Toyota withdraws SW20 Turbo from US market |
| 1996 | SW20 second update (Rev3) — further damper, brake, and ECU calibration changes; later Rev4/Rev5 follow |
Market Data
Production Numbers & Rarity
| Generation | Years | Total Built | Notes |
|---|---|---|---|
| W20 (SW20) | 1989-1999 | estimated ~140,000 | Global total estimated; long run, many markets |
Rarest variant: TRD 2000GT
The Buyer's Read
The SW20 turbo launched with a 3S-GTE rated 225PS (net) — Toyota's own 1989 announcement called it ‘the highest for a 2.0-liter class engine’ — alongside Electro-Hydraulic Power Steering and a 165PS 3S-GE naturally aspirated option. In the UK, the Japan-market turbo was never sold new but has been a popular import since. The handling reputation is real but dated: Toyota ‘spent a huge amount of time honing the handling, with some success.’ There was a documented tendency to snap oversteer at the edge, later improved through suspension and tyre modifications — ask what's been done to a specific car rather than writing off the whole generation. Mechanically, budget for an exhaust (expensive to replace) and treat any overheating as a possible head-gasket flag; on an imported turbo car, check both coolant hoses behind the turbo, which crack and are hard to reach. Importing a JDM turbo SW20 requires the car to be 25 or more years old under 49 CFR 591.5(i)(1) — confirm the specific car's manufacture date and current requirements.
Frequently Asked Questions
- How much power did the SW20 turbo make at launch?
- Toyota's 1989 renewal announcement rated the new 3S-GTE at 225PS (net), calling it ‘the highest for a 2.0-liter class engine’ at the time.
- Is SW20 snap oversteer real?
- There was a documented tendency to snap oversteer at the edge, later improved through suspension and tyre modifications.
- Was the turbo SW20 sold new in the UK?
- No — the Japan-market turbo option ‘was never sold in the UK market but has been a popular import since.’
- Can I import a JDM SW20 turbo into the US?
- Under 49 CFR 591.5(i)(1), a vehicle 25 or more years old is exempt from FMVSS compliance — confirm the specific car's manufacture date and current import/EPA/state requirements.
Sources & References
Sources (15)
- Toyota MR2 — encyclopedic overview — Wikipedia Verified
- Toyota MR2 W10 — first-generation reference — Wikipedia Verified
- Toyota MR2 W20 — second-generation reference — Wikipedia Verified
- Toyota MR2 W30 — third-generation reference — Wikipedia Verified
- MR2 Owners Club — pros and cons discussion — MR2 Owners Club Verified
- MR2.com forums — pros and cons of owning an MR2 — MR2.com Verified
- PistonHeads gassing — MR2 ownership thread — PistonHeads Verified
- MR2.com forums — common MR2 problems — MR2.com Verified
- PistonHeads gassing — MR2 common problems thread — PistonHeads Verified
- MR2 Turbo problems and cures (forme syn) — formesyn.com Link dead View archived ↗
- Bring a Trailer results: Toyota MR2 — Bring a Trailer Verified
- Classic.com market data: Toyota MR2 — Classic.com Verified
- Toyota MR2 history — Car and Driver retrospective — Car and Driver Verified
- Toyota MR2 retrospective — Road & Track — Road & Track Verified
- Toyota MR2 Spyder — encyclopedic overview — Wikipedia Verified
Sources last verified: