| Purpose | SCCA Race Car | Homologation Street Car | IMSA Race Car |
| Model | Type 105 | Type 105 | Type 106 |
| Model Year | 1990 | 1991 | 1991+ |
| Production Count | 2 | 20 | 3 (+ 2 converted Type 105 SCCA race cars) |
| Engine | Type 910S inline-four | Type 910S inline-four | Type 910S inline-four |
| Turbocharger | Garrett AiResearch T3 | Garrett AiResearch T3 | Garrett AiResearch T3 |
| Intercooler | Lotus Chargecooler | Lotus Chargecooler | Lotus Chargecooler |
| Head | | Zeus Aluminum Cast? | Zeus Aluminum Cast? |
| Maximum Boost | Unknown | 1 bar (14.2 psi) | Unknown |
| Engine Capacity | 2,174 cc | 2,174 cc | 2,174 cc |
| Horsepower | 285 hp | 285 hp | 300 hp |
| Fuel Injection | Lotus Carlton/Omega | Lotus Carlton/Omega | Lotus Carlton/Omega |
| Transmission | Blueprinted by Renault | | |
| Chassis | Ungalvanized steel backbone, front cross member, tublar engine bay | Same as SCCA Type 105 (except galvanized) | Same as SCCA Type 105 |
| Body | Light fiberglass (GRP) shell | Light fiberglass (GRP) shell | Light fiberglass (GRP) shell |
| Roll Cage | Fully integrated, RAC approved | Fully integrated, RAC approved | Fully integrated, FIA approved/strengthened |
| Side & Rear windows | Plastic (Lexan?) | Production glass | Plastic (Lexan?) |
| Front Suspension | Uprated and strengtheneed, adjustable revised geometry & lowered | Same as SCCA Type 105 | Racing adjustable |
| Rear Suspension | Upgrated, strengthened, provision for rear anti-roll bar and lowered | Same as SCCA Type 105 | Racing adjustable |
| Brakes F/R | 13"/12" AP Racing brake discs, 4-piston alloy calipers | 13"/11" AP Racing ventilated discs, 4-piston calipers | 13"/11" AP Racing ventilated discs, 4-piston calipers |
| Wheels | 16" × 8 ½ (front), 16 × 9 ½ (rear) | Revolution 3-piece aluminum/magnesium center alloy wheels, 16" × 8 ½ (front), 16" × 9 ½ (rear) | Revolution 3-piece aluminum/magnesium center wheels, 16" × 8 (front) ; 17" × 10 ½ (rear) |
| Wheel Offsets | | | |
| Tires | Goodyear Eagle ZR | Goodyear Eagle ZR 225/45×16 + 255/50×16 | Goodyear Eagle ZR 245/45×16 + 315/40×17 |
| Length | 168" | 168" | 168" |
| Width | 75" | 75" | 75" |
| Height | 43" | 43" | 43" |
| Wheelbase | 96" | 96" | 96" |
| Track | 60 ½" (front) / 62" (rear) | 60 ½" (front) / 62" (rear) | |
| Weight | Race weight: 2,400 approx. | 2,280 lbs | Race weight: 2,500-2,800 lbs * |